mirror of
https://github.com/wneessen/go-mail.git
synced 2024-11-14 01:42:54 +01:00
Winni Neessen
31001e87b2
# SUMMARY * Bad licenses: * Deprecated licenses: * Licenses without file extension: * Missing licenses: * Unused licenses: * Used licenses: CC0-1.0, MIT * Read errors: 0 * Files with copyright information: 45 / 45 * Files with license information: 45 / 45 Congratulations! Your project is compliant with version 3.0 of the REUSE Specification :-)
725 lines
20 KiB
Go
725 lines
20 KiB
Go
// SPDX-FileCopyrightText: 2022 Winni Neessen <winni@neessen.dev>
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//
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// SPDX-License-Identifier: MIT
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package mail
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import (
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"context"
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"crypto/tls"
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"fmt"
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"github.com/wneessen/go-mail/auth"
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"net/smtp"
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"os"
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"testing"
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"time"
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)
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// DefaultHost is used as default hostname for the Client
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const DefaultHost = "localhost"
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// TestRcpt
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const TestRcpt = "go-mail@mytrashmailer.com"
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// TestNewClient tests the NewClient() method with its default options
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func TestNewClient(t *testing.T) {
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host := "mail.example.com"
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tests := []struct {
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name string
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host string
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shouldfail bool
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}{
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{"Default", "mail.example.com", false},
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{"Empty host should fail", "", true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(tt.host)
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if err != nil && !tt.shouldfail {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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if c.host != tt.host {
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t.Errorf("failed to create new client. Host expected: %s, got: %s", host, c.host)
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}
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if c.cto != DefaultTimeout {
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t.Errorf("failed to create new client. Timeout expected: %s, got: %s", DefaultTimeout.String(),
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c.cto.String())
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}
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if c.port != DefaultPort {
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t.Errorf("failed to create new client. Port expected: %d, got: %d", DefaultPort, c.port)
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}
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if c.tlspolicy != TLSMandatory {
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t.Errorf("failed to create new client. TLS policy expected: %d, got: %d", TLSMandatory, c.tlspolicy)
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}
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if c.tlsconfig.ServerName != tt.host {
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t.Errorf("failed to create new client. TLS config host expected: %s, got: %s",
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host, c.tlsconfig.ServerName)
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}
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if c.tlsconfig.MinVersion != DefaultTLSMinVersion {
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t.Errorf("failed to create new client. TLS config min versino expected: %d, got: %d",
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DefaultTLSMinVersion, c.tlsconfig.MinVersion)
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}
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if c.ServerAddr() != fmt.Sprintf("%s:%d", tt.host, c.port) {
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t.Errorf("failed to create new client. c.ServerAddr() expected: %s, got: %s",
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fmt.Sprintf("%s:%d", tt.host, c.port), c.ServerAddr())
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}
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})
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}
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}
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// TestNewClient tests the NewClient() method with its custom options
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func TestNewClientWithOptions(t *testing.T) {
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host := "mail.example.com"
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tests := []struct {
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name string
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option Option
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shouldfail bool
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}{
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{"nil option", nil, true},
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{"WithPort()", WithPort(465), false},
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{"WithPort(); port is too high", WithPort(100000), true},
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{"WithTimeout()", WithTimeout(time.Second * 5), false},
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{"WithTimeout()", WithTimeout(-10), true},
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{"WithSSL()", WithSSL(), false},
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{"WithHELO()", WithHELO(host), false},
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{"WithHELO(); helo is empty", WithHELO(""), true},
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{"WithTLSPolicy()", WithTLSPolicy(TLSOpportunistic), false},
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{"WithTLSConfig()", WithTLSConfig(&tls.Config{}), false},
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{"WithTLSConfig(); config is nil", WithTLSConfig(nil), true},
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{"WithSMTPAuth()", WithSMTPAuth(SMTPAuthLogin), false},
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{"WithSMTPAuthCustom()",
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WithSMTPAuthCustom(smtp.PlainAuth("", "", "", "")),
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false},
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{"WithUsername()", WithUsername("test"), false},
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{"WithPassword()", WithPassword("test"), false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost, tt.option, nil)
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if err != nil && !tt.shouldfail {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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_ = c
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})
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}
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}
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// TestWithHELO tests the WithHELO() option for the NewClient() method
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func TestWithHELO(t *testing.T) {
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tests := []struct {
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name string
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value string
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want string
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}{
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{"HELO test.de", "test.de", "test.de"},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost, WithHELO(tt.value))
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if err != nil {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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if c.helo != tt.want {
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t.Errorf("failed to set custom HELO. Want: %s, got: %s", tt.want, c.helo)
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}
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})
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}
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}
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// TestWithPort tests the WithPort() option for the NewClient() method
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func TestWithPort(t *testing.T) {
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tests := []struct {
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name string
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value int
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want int
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sf bool
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}{
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{"set port to 25", 25, 25, false},
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{"set port to 465", 465, 465, false},
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{"set port to 100000", 100000, 25, true},
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{"set port to -10", -10, 25, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost, WithPort(tt.value))
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if err != nil && !tt.sf {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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if c.port != tt.want {
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t.Errorf("failed to set custom port. Want: %d, got: %d", tt.want, c.port)
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}
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})
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}
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}
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// TestWithTimeout tests the WithTimeout() option for the NewClient() method
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func TestWithTimeout(t *testing.T) {
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tests := []struct {
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name string
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value time.Duration
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want time.Duration
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sf bool
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}{
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{"set timeout to 5s", time.Second * 5, time.Second * 5, false},
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{"set timeout to 30s", time.Second * 30, time.Second * 30, false},
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{"set timeout to 1m", time.Minute, time.Minute, false},
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{"set timeout to 0", 0, DefaultTimeout, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost, WithTimeout(tt.value))
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if err != nil && !tt.sf {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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if c.cto != tt.want {
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t.Errorf("failed to set custom timeout. Want: %d, got: %d", tt.want, c.cto)
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}
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})
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}
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}
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// TestWithTLSPolicy tests the WithTLSPolicy() option for the NewClient() method
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func TestWithTLSPolicy(t *testing.T) {
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tests := []struct {
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name string
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value TLSPolicy
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want string
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sf bool
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}{
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{"Policy: TLSMandatory", TLSMandatory, TLSMandatory.String(), false},
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{"Policy: TLSOpportunistic", TLSOpportunistic, TLSOpportunistic.String(), false},
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{"Policy: NoTLS", NoTLS, NoTLS.String(), false},
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{"Policy: Invalid", -1, "UnknownPolicy", true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost, WithTLSPolicy(tt.value))
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if err != nil && !tt.sf {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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if c.tlspolicy.String() != tt.want {
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t.Errorf("failed to set TLSPolicy. Want: %s, got: %s", tt.want, c.tlspolicy)
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}
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})
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}
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}
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// TestSetTLSPolicy tests the SetTLSPolicy() method for the Client object
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func TestSetTLSPolicy(t *testing.T) {
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tests := []struct {
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name string
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value TLSPolicy
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want string
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sf bool
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}{
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{"Policy: TLSMandatory", TLSMandatory, TLSMandatory.String(), false},
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{"Policy: TLSOpportunistic", TLSOpportunistic, TLSOpportunistic.String(), false},
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{"Policy: NoTLS", NoTLS, NoTLS.String(), false},
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{"Policy: Invalid", -1, "UnknownPolicy", true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost, WithTLSPolicy(NoTLS))
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if err != nil {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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c.SetTLSPolicy(tt.value)
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if c.tlspolicy.String() != tt.want {
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t.Errorf("failed to set TLSPolicy. Want: %s, got: %s", tt.want, c.tlspolicy)
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}
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})
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}
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}
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// TestSetTLSConfig tests the SetTLSConfig() method for the Client object
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func TestSetTLSConfig(t *testing.T) {
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tests := []struct {
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name string
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value *tls.Config
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sf bool
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}{
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{"default config", &tls.Config{}, false},
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{"nil config", nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost)
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if err != nil {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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if err := c.SetTLSConfig(tt.value); err != nil && !tt.sf {
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t.Errorf("failed to set TLSConfig: %s", err)
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return
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}
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})
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}
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}
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// TestSetSSL tests the SetSSL() method for the Client object
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func TestSetSSL(t *testing.T) {
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tests := []struct {
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name string
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value bool
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}{
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{"SSL: on", true},
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{"SSL: off", false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost)
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if err != nil {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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c.SetSSL(tt.value)
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if c.ssl != tt.value {
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t.Errorf("failed to set SSL setting. Got: %t, want: %t", c.ssl, tt.value)
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}
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})
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}
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}
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// TestSetUsername tests the SetUsername method for the Client object
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func TestSetUsername(t *testing.T) {
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tests := []struct {
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name string
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value string
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want string
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sf bool
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}{
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{"normal username", "testuser", "testuser", false},
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{"empty username", "", "", false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost)
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if err != nil {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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c.SetUsername(tt.value)
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if c.user != tt.want {
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t.Errorf("failed to set username. Expected %s, got: %s", tt.want, c.user)
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}
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})
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}
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}
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// TestSetPassword tests the SetPassword method for the Client object
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func TestSetPassword(t *testing.T) {
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tests := []struct {
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name string
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value string
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want string
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sf bool
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}{
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{"normal password", "testpass", "testpass", false},
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{"empty password", "", "", false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost)
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if err != nil {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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c.SetPassword(tt.value)
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if c.pass != tt.want {
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t.Errorf("failed to set password. Expected %s, got: %s", tt.want, c.pass)
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}
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})
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}
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}
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// TestSetSMTPAuth tests the SetSMTPAuth method for the Client object
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func TestSetSMTPAuth(t *testing.T) {
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tests := []struct {
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name string
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value SMTPAuthType
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want string
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sf bool
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}{
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{"SMTPAuth: LOGIN", SMTPAuthLogin, "LOGIN", false},
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{"SMTPAuth: PLAIN", SMTPAuthPlain, "PLAIN", false},
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{"SMTPAuth: CRAM-MD5", SMTPAuthCramMD5, "CRAM-MD5", false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost)
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if err != nil {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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c.SetSMTPAuth(tt.value)
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if string(c.satype) != tt.want {
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t.Errorf("failed to set SMTP auth type. Expected %s, got: %s", tt.want, string(c.satype))
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}
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})
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}
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}
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// TestSetSMTPAuthCustom tests the SetSMTPAuthCustom method for the Client object
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func TestSetSMTPAuthCustom(t *testing.T) {
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tests := []struct {
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name string
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value smtp.Auth
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want string
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sf bool
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}{
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{"SMTPAuth: PLAIN", smtp.PlainAuth("", "", "", ""), "PLAIN", false},
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{"SMTPAuth: CRAM-MD5", smtp.CRAMMD5Auth("", ""), "CRAM-MD5", false},
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{"SMTPAuth: LOGIN", auth.LoginAuth("", "", ""), "LOGIN", false},
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}
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si := smtp.ServerInfo{TLS: true}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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c, err := NewClient(DefaultHost)
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if err != nil {
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t.Errorf("failed to create new client: %s", err)
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return
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}
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c.SetSMTPAuthCustom(tt.value)
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if c.sa == nil {
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t.Errorf("failed to set custom SMTP auth method. SMTP Auth method is empty")
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}
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p, _, err := c.sa.Start(&si)
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if err != nil {
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t.Errorf("SMTP Auth Start() method returned error: %s", err)
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}
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if p != tt.want {
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t.Errorf("SMTP Auth Start() method is returned proto: %s, expected: %s", p, tt.want)
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}
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})
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}
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}
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// TestClient_DialWithContext tests the DialWithContext method for the Client object
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func TestClient_DialWithContext(t *testing.T) {
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c, err := getTestConnection(true)
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if err != nil {
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t.Skipf("failed to create test client: %s. Skipping tests", err)
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}
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ctx := context.Background()
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if err := c.DialWithContext(ctx); err != nil {
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t.Errorf("failed to dial with context: %s", err)
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return
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}
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if c.co == nil {
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t.Errorf("DialWithContext didn't fail but no connection found.")
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}
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if c.sc == nil {
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t.Errorf("DialWithContext didn't fail but no SMTP client found.")
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}
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if err := c.Close(); err != nil {
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t.Errorf("failed to close connection: %s", err)
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}
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}
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// TestClient_DialWithContextInvalidHost tests the DialWithContext method with intentional breaking
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// for the Client object
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func TestClient_DialWithContextInvalidHost(t *testing.T) {
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c, err := getTestConnection(true)
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if err != nil {
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t.Skipf("failed to create test client: %s. Skipping tests", err)
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}
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c.co = nil
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c.host = "invalid.addr"
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ctx := context.Background()
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if err := c.DialWithContext(ctx); err == nil {
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t.Errorf("dial succeeded but was supposed to fail")
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return
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}
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}
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// TestClient_DialWithContextInvalidHELO tests the DialWithContext method with intentional breaking
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// for the Client object
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func TestClient_DialWithContextInvalidHELO(t *testing.T) {
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c, err := getTestConnection(true)
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if err != nil {
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t.Skipf("failed to create test client: %s. Skipping tests", err)
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}
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c.co = nil
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c.helo = ""
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ctx := context.Background()
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if err := c.DialWithContext(ctx); err == nil {
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t.Errorf("dial succeeded but was supposed to fail")
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return
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}
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}
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// TestClient_DialWithContextInvalidAuth tests the DialWithContext method with intentional breaking
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// for the Client object
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func TestClient_DialWithContextInvalidAuth(t *testing.T) {
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c, err := getTestConnection(true)
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if err != nil {
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t.Skipf("failed to create test client: %s. Skipping tests", err)
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}
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c.user = "invalid"
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c.pass = "invalid"
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c.SetSMTPAuthCustom(auth.LoginAuth("invalid", "invalid", "invalid"))
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ctx := context.Background()
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if err := c.DialWithContext(ctx); err == nil {
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t.Errorf("dial succeeded but was supposed to fail")
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return
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}
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}
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// TestClient_checkConn tests the checkConn method with intentional breaking for the Client object
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func TestClient_checkConn(t *testing.T) {
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c, err := getTestConnection(true)
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if err != nil {
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t.Skipf("failed to create test client: %s. Skipping tests", err)
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}
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c.co = nil
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if err := c.checkConn(); err == nil {
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t.Errorf("connCheck() should fail but succeeded")
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}
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}
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// TestClient_DiealWithContextOptions tests the DialWithContext method plus different options
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// for the Client object
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func TestClient_DialWithContextOptions(t *testing.T) {
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tests := []struct {
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name string
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wantssl bool
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wanttls TLSPolicy
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sf bool
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}{
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{"Want SSL (should fail)", true, NoTLS, true},
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{"Want Mandatory TLS", false, TLSMandatory, false},
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}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
c, err := getTestConnection(true)
|
|
if err != nil {
|
|
t.Skipf("failed to create test client: %s. Skipping tests", err)
|
|
}
|
|
if tt.wantssl {
|
|
c.SetSSL(true)
|
|
}
|
|
if tt.wanttls != NoTLS {
|
|
c.SetTLSPolicy(tt.wanttls)
|
|
}
|
|
|
|
ctx := context.Background()
|
|
if err := c.DialWithContext(ctx); err != nil && !tt.sf {
|
|
t.Errorf("failed to dial with context: %s", err)
|
|
return
|
|
}
|
|
if !tt.sf {
|
|
if c.co == nil && !tt.sf {
|
|
t.Errorf("DialWithContext didn't fail but no connection found.")
|
|
}
|
|
if c.sc == nil && !tt.sf {
|
|
t.Errorf("DialWithContext didn't fail but no SMTP client found.")
|
|
}
|
|
if err := c.Reset(); err != nil {
|
|
t.Errorf("failed to reset connection: %s", err)
|
|
}
|
|
if err := c.Close(); err != nil {
|
|
t.Errorf("failed to close connection: %s", err)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// TestClient_DialSendClose tests the Dial(), Send() and Close() method of Client
|
|
func TestClient_DialSendClose(t *testing.T) {
|
|
if os.Getenv("TEST_ALLOW_SEND") == "" {
|
|
t.Skipf("TEST_ALLOW_SEND is not set. Skipping mail sending test")
|
|
}
|
|
m := NewMsg()
|
|
_ = m.FromFormat("go-mail Test Mailer", os.Getenv("TEST_FROM"))
|
|
_ = m.To(TestRcpt)
|
|
m.Subject(fmt.Sprintf("This is a test mail from go-mail/v%s", VERSION))
|
|
m.SetBulk()
|
|
m.SetDate()
|
|
m.SetMessageID()
|
|
m.SetBodyString(TypeTextPlain, "This is a test mail from the go-mail library")
|
|
|
|
c, err := getTestConnection(true)
|
|
if err != nil {
|
|
t.Skipf("failed to create test client: %s. Skipping tests", err)
|
|
}
|
|
|
|
ctx, cfn := context.WithTimeout(context.Background(), time.Second*10)
|
|
defer cfn()
|
|
if err := c.DialWithContext(ctx); err != nil {
|
|
t.Errorf("Dial() failed: %s", err)
|
|
}
|
|
if err := c.Send(m); err != nil {
|
|
t.Errorf("Send() failed: %s", err)
|
|
}
|
|
if err := c.Close(); err != nil {
|
|
t.Errorf("Close() failed: %s", err)
|
|
}
|
|
}
|
|
|
|
// TestClient_DialAndSend tests the DialAndSend() method of Client
|
|
func TestClient_DialAndSend(t *testing.T) {
|
|
if os.Getenv("TEST_ALLOW_SEND") == "" {
|
|
t.Skipf("TEST_ALLOW_SEND is not set. Skipping mail sending test")
|
|
}
|
|
m := NewMsg()
|
|
_ = m.FromFormat("go-mail Test Mailer", os.Getenv("TEST_FROM"))
|
|
_ = m.To(TestRcpt)
|
|
m.Subject(fmt.Sprintf("This is a test mail from go-mail/v%s", VERSION))
|
|
m.SetBulk()
|
|
m.SetDate()
|
|
m.SetMessageID()
|
|
m.SetBodyString(TypeTextPlain, "This is a test mail from the go-mail library")
|
|
|
|
c, err := getTestConnection(true)
|
|
if err != nil {
|
|
t.Skipf("failed to create test client: %s. Skipping tests", err)
|
|
}
|
|
|
|
if err := c.DialAndSend(m); err != nil {
|
|
t.Errorf("DialAndSend() failed: %s", err)
|
|
}
|
|
}
|
|
|
|
// TestClient_DialSendCloseBroken tests the Dial(), Send() and Close() method of Client with broken settings
|
|
func TestClient_DialSendCloseBroken(t *testing.T) {
|
|
if os.Getenv("TEST_ALLOW_SEND") == "" {
|
|
t.Skipf("TEST_ALLOW_SEND is not set. Skipping mail sending test")
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
from string
|
|
to string
|
|
closestart bool
|
|
closeearly bool
|
|
sf bool
|
|
}{
|
|
{"Invalid FROM", "foo@foo", TestRcpt, false, false, true},
|
|
{"Invalid TO", os.Getenv("TEST_FROM"), "foo@foo", false, false, true},
|
|
{"No FROM", "", TestRcpt, false, false, true},
|
|
{"No TO", os.Getenv("TEST_FROM"), "", false, false, true},
|
|
{"Close early", os.Getenv("TEST_FROM"), TestRcpt, false, true, true},
|
|
{"Close start", os.Getenv("TEST_FROM"), TestRcpt, true, false, true},
|
|
{"Close start/early", os.Getenv("TEST_FROM"), TestRcpt, true, true, true},
|
|
}
|
|
|
|
m := NewMsg(WithEncoding(NoEncoding))
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
m.SetAddrHeaderIgnoreInvalid(HeaderFrom, tt.from)
|
|
m.SetAddrHeaderIgnoreInvalid(HeaderTo, tt.to)
|
|
|
|
c, err := getTestConnection(true)
|
|
if err != nil {
|
|
t.Skipf("failed to create test client: %s. Skipping tests", err)
|
|
}
|
|
|
|
ctx, cfn := context.WithTimeout(context.Background(), time.Second*10)
|
|
defer cfn()
|
|
if err := c.DialWithContext(ctx); err != nil && !tt.sf {
|
|
t.Errorf("Dail() failed: %s", err)
|
|
return
|
|
}
|
|
if tt.closestart {
|
|
_ = c.sc.Close()
|
|
_ = c.co.Close()
|
|
}
|
|
if err := c.Send(m); err != nil && !tt.sf {
|
|
t.Errorf("Send() failed: %s", err)
|
|
return
|
|
}
|
|
if tt.closeearly {
|
|
_ = c.sc.Close()
|
|
_ = c.co.Close()
|
|
}
|
|
if err := c.Close(); err != nil && !tt.sf {
|
|
t.Errorf("Close() failed: %s", err)
|
|
return
|
|
}
|
|
})
|
|
}
|
|
|
|
}
|
|
|
|
// TestClient_auth tests the Dial(), Send() and Close() method of Client with broken settings
|
|
func TestClient_auth(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
auth SMTPAuthType
|
|
sf bool
|
|
}{
|
|
{"SMTP AUTH: PLAIN", SMTPAuthPlain, false},
|
|
{"SMTP AUTH: LOGIN", SMTPAuthLogin, false},
|
|
{"SMTP AUTH: CRAM-MD5", SMTPAuthCramMD5, true},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
c, err := getTestConnection(false)
|
|
if err != nil {
|
|
t.Skipf("failed to create test client: %s. Skipping tests", err)
|
|
}
|
|
|
|
ctx, cfn := context.WithTimeout(context.Background(), time.Second*5)
|
|
defer cfn()
|
|
if err := c.DialWithContext(ctx); err != nil {
|
|
t.Errorf("auth() failed: could not Dial() => %s", err)
|
|
return
|
|
}
|
|
c.SetSMTPAuth(tt.auth)
|
|
c.SetUsername(os.Getenv("TEST_SMTPAUTH_USER"))
|
|
c.SetPassword(os.Getenv("TEST_SMTPAUTH_PASS"))
|
|
if err := c.auth(); err != nil && !tt.sf {
|
|
t.Errorf("auth() failed: %s", err)
|
|
}
|
|
if err := c.Close(); err != nil {
|
|
t.Errorf("auth() failed: could not Close() => %s", err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// getTestConnection takes environment variables to establish a connection to a real
|
|
// SMTP server to test all functionality that requires a connection
|
|
func getTestConnection(auth bool) (*Client, error) {
|
|
if os.Getenv("TEST_SKIP_ONLINE") != "" {
|
|
return nil, fmt.Errorf("env variable TEST_SKIP_ONLINE is set. Skipping online tests")
|
|
}
|
|
th := os.Getenv("TEST_HOST")
|
|
if th == "" {
|
|
return nil, fmt.Errorf("no TEST_HOST set")
|
|
}
|
|
c, err := NewClient(th)
|
|
if err != nil {
|
|
return c, err
|
|
}
|
|
if auth {
|
|
st := os.Getenv("TEST_SMTPAUTH_TYPE")
|
|
if st != "" {
|
|
c.SetSMTPAuth(SMTPAuthType(st))
|
|
}
|
|
u := os.Getenv("TEST_SMTPAUTH_USER")
|
|
if u != "" {
|
|
c.SetUsername(u)
|
|
}
|
|
p := os.Getenv("TEST_SMTPAUTH_PASS")
|
|
if p != "" {
|
|
c.SetPassword(p)
|
|
}
|
|
}
|
|
if err := c.DialWithContext(context.Background()); err != nil {
|
|
return c, fmt.Errorf("connection to test server failed: %s", err)
|
|
}
|
|
if err := c.Close(); err != nil {
|
|
return c, fmt.Errorf("disconnect from test server failed: %s", err)
|
|
}
|
|
return c, nil
|
|
}
|