go-mail/msg_nowin_test.go

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// SPDX-FileCopyrightText: 2022-2023 The go-mail Authors
//
// SPDX-License-Identifier: MIT
//go:build !windows
// +build !windows
package mail
import (
"context"
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"os"
"testing"
"time"
)
// TestMsg_WriteToSendmailWithContext tests the WriteToSendmailWithContext() method of the Msg
func TestMsg_WriteToSendmailWithContext(t *testing.T) {
if os.Getenv("TEST_SKIP_SENDMAIL") != "" {
t.Skipf("TEST_SKIP_SENDMAIL variable is set. Skipping sendmail test")
}
tests := []struct {
name string
sp string
sf bool
}{
{"Sendmail path: /dev/null", "/dev/null", true},
{"Sendmail path: /bin/cat", "/bin/cat", true},
{"Sendmail path: /is/invalid", "/is/invalid", true},
{"Sendmail path: /bin/echo", "/bin/echo", false},
}
m := NewMsg()
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ctx, cfn := context.WithTimeout(context.Background(), time.Second*10)
defer cfn()
m.SetBodyString(TypeTextPlain, "Plain")
if err := m.WriteToSendmailWithContext(ctx, tt.sp); err != nil && !tt.sf {
t.Errorf("WriteToSendmailWithCommand() failed: %s", err)
}
m.Reset()
})
}
}
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// TestMsg_WriteToSendmail will test the output to the local sendmail command
func TestMsg_WriteToSendmail(t *testing.T) {
if os.Getenv("TEST_SKIP_SENDMAIL") != "" {
t.Skipf("TEST_SKIP_SENDMAIL variable is set. Skipping sendmail test")
}
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_, err := os.Stat(SendmailPath)
if err != nil {
t.Skipf("local sendmail command not found in expected path. Skipping")
}
m := NewMsg()
_ = m.From("Toni Tester <tester@example.com>")
_ = m.To(TestRcpt)
m.SetBodyString(TypeTextPlain, "This is a test")
if err := m.WriteToSendmail(); err != nil {
t.Errorf("WriteToSendmail failed: %s", err)
}
}
func TestMsg_WriteToTempFileFailed(t *testing.T) {
m := NewMsg()
_ = m.From("Toni Tester <tester@example.com>")
_ = m.To("Ellenor Tester <ellinor@example.com>")
m.SetBodyString(TypeTextPlain, "This is a test")
curTmpDir := os.Getenv("TMPDIR")
defer func() {
if err := os.Setenv("TMPDIR", curTmpDir); err != nil {
t.Errorf("failed to set TMPDIR environment variable: %s", err)
}
}()
if err := os.Setenv("TMPDIR", "/invalid/directory/that/does/not/exist"); err != nil {
t.Errorf("failed to set TMPDIR environment variable: %s", err)
}
_, err := m.WriteToTempFile()
if err == nil {
t.Errorf("WriteToTempFile() did not fail as expected")
}
}