90 commits

Author	SHA1	Message	Date
Winni Neessen	d281f838d4	Add integration tests for invalid host and HELO failure ... Add test cases to validate client behavior on connecting with an invalid host and encountering a HELO failure. This helps ensure the client handles these error scenarios correctly, maintaining robustness and reliability.	2024-10-23 18:08:30 +02:00
Winni Neessen	0db1383940	Refactor buffer initialization in client tests ... Replaced &bytes.Buffer{} with bytes.NewBuffer(nil) for buffer initialization in various client tests. This change ensures more idiomatic and consistent creation of byte buffers throughout the test cases.	2024-10-23 17:58:08 +02:00
Winni Neessen	12695385e8	Refactor SMTP server test setup to use serverProps struct ... Consolidate server configuration properties into a new serverProps struct for better code clarity and future extensibility. This change involves updating simpleSMTPServer and test cases to use the new struct, allowing more control over server behavior during tests.	2024-10-23 17:55:31 +02:00
Winni Neessen	8a6cd2b448	Add and update client tests ... Reintroduces and enhances several client tests including `SetLogAuthData`, `Close`, `DialWithContext`, and others. Deprecated and non-functional tests are removed, and a new log parsing method is added for enhanced logging validation.	2024-10-23 17:34:23 +02:00
Winni Neessen	ae7160ddba	Refactor SMTP Auth unit test with table-driven approach ... Replaced the single test case for setting custom SMTP authentication with a table-driven approach. This refactor improves test coverage by including multiple authentication methods such as CRAM-MD5, LOGIN, PLAIN, SCRAM, and XOAUTH2.	2024-10-23 16:46:18 +02:00
Winni Neessen	d4dc212dd3	Refactor client tests and add SetSMTPAuthCustom test ... Removed outdated tests for TLSConfig, Username, Password, and SMTPAuth that were commented out. Added a new test for the SetSMTPAuthCustom method, specifically for PLAIN authentication, ensuring proper behavior and type checks.	2024-10-23 16:14:05 +02:00
Winni Neessen	17cb590a45	Add test for Client.SetSMTPAuth function ... Introduce a new test to validate the functionality of the Client.SetSMTPAuth method. This test covers various SMTP authentication types and ensures that the method correctly sets the expected authentication type while also verifying the override behavior for different custom and default authentications.	2024-10-23 15:44:21 +02:00
Winni Neessen	c946f74ad2	Add unit tests for Client TLS, Username, and Password methods ... Introduced unit tests for Client's SetTLSConfig, SetUsername, and SetPassword methods. The tests cover various scenarios, including setting valid configurations, handling nil inputs, and overriding previous settings. This improves our test coverage and ensures the reliability of these methods.	2024-10-23 15:31:00 +02:00
Winni Neessen	68bc5dde72	Add comprehensive tests for Client TLS and debugging features ... Implemented detailed test cases for various TLS policies and settings, port configurations, and SSL options. Also added tests for debugging functionalities of the Client, enabling robust validation of different scenarios.	2024-10-23 15:15:59 +02:00
Winni Neessen	c5b57543c1	Update client tests to add context support and new checks ... Introduced `context` package for new tests. Added checks for `WithDialContextFunc`, `WithLogAuthData`, and TLS policy assertions. Improved test failure handling and removed obsolete tests.	2024-10-23 14:08:19 +02:00
Winni Neessen	ab8fc3e4fc	Add DSN and dial context func options to client tests ... Expanded the client test cases to include DSN mail return types and multiple DSN recipient notify types. Also added tests for setting dial context functions using both net.Dialer and tls.Dialer, including error handling for invalid options.	2024-10-23 13:51:48 +02:00
Winni Neessen	3251d74c36	Refactor client test to enhance coverage and clarity ... Reorganized and refactored tests for `NewClient` by adding individual test cases for different client creation scenarios, including various options and validation. Improved clarity and coverage by isolating cases, enhancing error messages, and removing redundancy.	2024-10-23 13:23:01 +02:00
Winni Neessen	c7d0a03ddc	Change error log to debug log in client_test.go ... Updated the log level from error to debug for the client.Close() call failure in client_test.go. This change helps reduce noise in test output when the server connection fails.	2024-10-22 16:21:09 +02:00
Winni Neessen	3c29f68cc1	Add support for unsecured SMTP LOGIN auth ... Implemented an option to allow SMTP LOGIN authentication over unencrypted channels by introducing a new `SMTPAuthLoginNoEnc` type. Updated relevant functions and tests to handle the new parameter for unsecured authentication.	2024-10-22 15:38:51 +02:00
Winni Neessen	f5531eae14	Add support for PLAIN authentication without encryption ... Implemented a new SMTPAuthPlainNoEnc option to allow PLAIN authentication over unencrypted connections. Refactored the PlainAuth function to accept an additional allowUnencryptedAuth parameter. Updated relevant tests to cover the new authentication method.	2024-10-22 15:30:15 +02:00
Winni Neessen	e854b2192f	Merge pull request #335 from wneessen/bug/332_server-does-not-support-smtp-auth-error-when-using-localhost-in-v050 ... Add default SMTP authentication type to NewClient	2024-10-16 09:26:51 +02:00
Winni Neessen	3234c13277	Add tests for SetLogAuthData method ... Introduced TestClient_SetLogAuthData to verify the proper behavior of the SetLogAuthData method in both client and SMTP tests. This ensures that logAuthData is enabled or disabled as expected, increasing code reliability.	2024-10-15 20:02:24 +02:00
Winni Neessen	c2d9104b45	Update environment variables for SMTP authentication ... Renamed environment variables from TEST_USER and TEST_PASS to TEST_SMTPAUTH_USER and TEST_SMTPAUTH_PASS for clarity and consistency in setting SMTP authentication credentials. This change ensures that the correct credentials are applied during tests.	2024-10-11 11:55:58 +02:00
Winni Neessen	021666d6ad	#332: Add default SMTP authentication type to NewClient ... This commit fixes a regression introduced in v0.5.0. We now set the default SMTPAuthType to NOAUTH in NewClient. Enhanced documentation and added test cases for different SMTP authentication scenarios.	2024-10-11 11:21:56 +02:00
Winni Neessen	adcb8ac41d	Fix connection handling and improve thread-safety in SMTP client ... Reset connections to nil after Close, add RLock in HasConnection, and refine Close logic to handle already closed connections gracefully. Enhanced DialWithContext documentation and added tests for double-close scenarios to ensure robustness.	2024-10-04 23:15:01 +02:00
Winni Neessen	8942b08424	Add validation for custom SMTP auth type in client tests ... Previously, only the presence of the SMTP auth method was checked, but not its type. This additional validation ensures that the SMTP auth type is correctly set to custom, thereby improving test accuracy.	2024-10-04 22:36:28 +02:00
Winni Neessen	aab04672f8	Rename DSN type variable for clarity ... Renamed the variable from `dsnrntype` to `dsnRcptNotifyType` to improve code readability and ensure clarity regarding its purpose. Also updated corresponding comments and test cases to reflect this change.	2024-10-04 20:39:14 +02:00
Winni Neessen	f7c12d412b	Rename dsnmrtype to dsnReturnType in client.go ... Refactor variable names for consistency. The `dsnmrtype` variable has been renamed to `dsnReturnType` across the client and test files to improve code readability and maintain uniformity.	2024-10-04 20:30:43 +02:00
Winni Neessen	ef3da39840	Refactor DSN field in Client structure ... Renamed `dsn` field to `requestDSN` in Client structure for clarity and consistency. Adjusted associated methods and tests to reflect this change, improving code readability and maintainability.	2024-10-04 20:29:14 +02:00
Winni Neessen	c8a8e9772a	Update test recipient email in client tests ... Changed the test email address from go-mail@mytrashmailer.com to couttifaddebro-1473@yopmail.com. This new address is expected to be used for sending test mails.	2024-10-02 16:25:41 +02:00
Winni Neessen	761e205049	Fix client connection test error handling ... Changed variable assignment in the test to fix error handling. This ensures the error is properly caught and reported during the client connection process.	2024-10-02 13:10:10 +02:00
Winni Neessen	547f78dbee	Enhance SMTP LOGIN auth and add comprehensive tests ... Refactored SMTP LOGIN auth to improve compatibility with various server responses, consolidating error handling and response steps. Added extensive tests to verify successful and failed authentication across different server configurations.	2024-10-02 12:37:54 +02:00
Winni Neessen	72b3f53eb7	Add tests for unsupported SCRAM-SHA authentications ... Introduce a new test case `TestClient_AuthSCRAMSHAX_unsupported` to validate handling of unsupported SCRAM-SHA authentication methods. This ensures the client returns the correct errors when setting unsupported auth types.	2024-10-01 20:45:07 +02:00
Winni Neessen	5058fd5222	Add test for SCRAM-SHA authentication failure cases ... Implemented tests for various SCRAM-SHA authentication methods including SCRAM-SHA-1, SCRAM-SHA-1-PLUS, SCRAM-SHA-256, and SCRAM-SHA-256-PLUS with invalid credentials. This ensures that the client correctly handles and reports authentication failures.	2024-10-01 17:01:10 +02:00
Winni Neessen	7499bae3eb	Add unit tests for SCRAM-SHA authentication methods ... Introduce `TestClient_AuthSCRAMSHAX` to verify SCRAM-SHA-1 and SCRAM-SHA-256 authentication. These tests validate the creation, connection, and closing of clients with the respective authentication methods using environment-configured credentials.	2024-10-01 16:45:02 +02:00
Winni Neessen	324be9d032	Refactor SCRAM tests to include SHA-256-PLUS ... Updated `TestClient_AuthSCRAMSHA1PLUS_tlsexporter` and `TestClient_AuthSCRAMSHA1PLUS_tlsunique` to test both SCRAM-SHA-1-PLUS and SCRAM-SHA-256-PLUS authentication types. Implemented table-driven tests to improve readability and maintainability.	2024-10-01 16:43:36 +02:00
Winni Neessen	e8f3c444e6	Add SCRAM-SHA1-PLUS authentication tests ... Introduced two new unit tests for SCRAM-SHA1-PLUS authentication with TLS exporter and TLS unique options. These tests ensure proper client creation, connection, and disconnection processes are functioning as expected in online environments.	2024-10-01 15:28:53 +02:00
Winni Neessen	c1f6ef07d4	Skip test cases when client creation fails ... Updated the client creation check to skip test cases if the client cannot be created, instead of marking them as errors. This ensures tests dependent on a successful client creation do not fail unnecessarily but are instead skipped.	2024-09-27 17:09:00 +02:00
Winni Neessen	6e98d7e47d	Reduce message loop iterations and add XOAUTH2 tests ... Loop iterations in `client_test.go` were reduced from 50 to 20 for efficiency. Added new tests to verify XOAUTH2 authentication support and error handling by simulating SMTP server responses.	2024-09-27 17:00:21 +02:00
Winni Neessen	2d98c40cb6	Add concurrent send tests for Client ... Introduced TestClient_DialSendConcurrent_online and TestClient_DialSendConcurrent_local to validate concurrent sending of messages. These tests ensure that the Client's send functionality works correctly under concurrent conditions, both in an online environment and using a local test server.	2024-09-27 14:04:02 +02:00
Winni Neessen	2234f0c5bc	Remove connection field from Client struct ... This commit removes the 'connection' field from the 'Client' struct and updates the related test logic accordingly. By using 'smtpClient.HasConnection()' to check for connections, code readability and maintainability are improved. All necessary test cases have been adjusted to reflect this change.	2024-09-27 11:43:22 +02:00
Winni Neessen	5503be8451	Remove redundant error print statements ... Removed redundant fmt.Printf error print statements for connection read and write errors. This cleans up the test output and makes error handling more streamlined.	2024-09-23 11:26:54 +02:00
Winni Neessen	9a9e0c936d	Remove redundant error handling in test code ... The check for io.EOF and the associated print statement were unnecessary because the loop breaks on any error. This change simplifies the error handling logic in the `client_test.go` file and avoids redundant code.	2024-09-23 11:09:03 +02:00
Winni Neessen	4ee11e8406	Refactor SMTP server port handling in tests ... Modified tests to dynamically compute server ports from a base value, enhancing flexibility and preventing potential conflicts. Updated `simpleSMTPServer` function to accept a port parameter.	2024-09-20 16:44:15 +02:00
Winni Neessen	d5437f6b7a	Remove redundant comments from sleep statements ... Removed unnecessary comments that were clarifying the purpose of sleep statements in the test cases. This makes the code cleaner and easier to maintain by reducing clutter.	2024-09-20 16:23:31 +02:00
Winni Neessen	157c138142	Fix linter errors ... Replaced `err == io.EOF` with `errors.Is(err, io.EOF)` for better error comparison. Removed redundant `break` statements to streamline case logic and improve code readability.	2024-09-20 15:58:51 +02:00
Winni Neessen	482194b4b3	Add TestClient_SendErrorReset to validate SMTP error handling ... This test checks the client's ability to handle SMTP reset errors when sending an email. It verifies the correct error type, ensures it is recognized as a permanent error, and confirms the correct message ID handling.	2024-09-20 15:52:05 +02:00
Winni Neessen	b8f0462ce3	Add error handling tests for SMTP client ... Implemented multiple tests to cover various error scenarios in the SMTP client, including invalid email addresses and data transmission failures. Introduced `failReset` flag in `simpleSMTPServer` to simulate server reset failures.	2024-09-20 15:49:03 +02:00
Winni Neessen	6af6a28f78	Add test for SendError with no encoding ... Introduced `TestClient_SendErrorNoEncoding` to verify client behavior when sending a message without encoding. Adjusted server connection handling for better error reporting and connection closure, replacing abrupt exits with returns where appropriate.	2024-09-20 15:05:43 +02:00
Winni Neessen	fbebcf96d8	Add simple SMTP test server for unit testing ... Implemented a simple SMTP test server to facilitate unit testing. This server listens on a specified address and port, accepts connections, and processes common SMTP commands like HELO, MAIL FROM, RCPT TO, DATA, and QUIT. Several constants related to the server configuration were also added to the test file.	2024-09-20 14:48:24 +02:00
Winni Neessen	508a2f2a6c	Refactor connection handling in tests ... Replaced `getTestConnection` with `getTestConnectionNoTestPort` for tests that skip port configuration, improving connection setup flexibility. Added environment variable support for setting ports in `getTestClient` to streamline port configuration in tests.	2024-09-19 15:21:17 +02:00
Winni Neessen	e1098091c3	Refactor variable names in SMTP client code ... The commit introduces improved variable names in the SMTP client code that are more expressive and better describe the function they perform. This is combined with corrections to some code comments. It's aimed to increase code readability and maintainability. Updates are made across the client_119.go and client.go files to ensure consistent naming conventions.	2024-02-24 22:06:18 +01:00
Winni Neessen	0cf9efcc69	Update SMTP authentication mechanisms and related tests ... Introduced the SMTPAuthNoAuth mechanism in the auth.go file meant for instances where authentication is not required or supported. Adjusted tests in client_test.go to account for this new mechanism. Minor order modifications were also made to the list of supported SMTP AUTH types and respective tests for better consistency. Closes #176	2024-02-22 15:24:19 +01:00
Winni Neessen	1efac7fb67	Add new test cases for client functionalities and clean client code ... Test cases have been added for numerous client functionalities including WithTLSPortPolicy option for the NewClient method, Client.SetSSLPort method, and the Client.DialWithContext method with the fallback port functionality. Minor code simplification has also been performed in the 'SetSSLPort' function in client.go file.	2024-01-31 11:22:01 +01:00
Winni Neessen	4a90c2de62	Add additional SSL and TLS tests in client_test.go ... Enhanced the unit tests in client_test.go by adding more test cases for SSL Port and TLS Port Policy. These additions contribute to more effective coverage of edge cases and increase the robustness of the test suite.	2024-01-25 16:56:15 +01:00