Added comprehensive unit tests for SCRAM-SHA-1, SCRAM-SHA-256, and their PLUS variants. Implemented a test server to simulate various SCRAM authentication scenarios and validate both success and failure cases.
Introduces two tests for XOAuth2 authentication in the SMTP package. The first test ensures successful authentication with valid credentials, while the second test verifies that authentication fails with incorrect settings.
This commit enhances the cleanup process in the SMTP tests by adding t.Cleanup to close client connections. Additionally, it rewrites the TestXOAuth2 function to include more detailed sub-tests, enhancing test granularity and readability.
Added a simple SMTP test server with basic features like PLAIN, LOGIN, and NOENC authentication. It can start, handle connections, and simulate authentication success or failure. Included support for TLS with a generated localhost certificate.
Renamed the test functions and improved the test structure for login authentication checks. Added subtests to provide clear descriptions and enhance error checking.
Rename and uncomment TestLoginAuth with more test cases, ensuring coverage for successful and failed authentication scenarios, including checks for unencrypted logins and server response errors. This improves test robustness and coverage.
Updated the parameter name `allowUnEnc` to `allowUnenc` in both `LoginAuth` and `PlainAuth` functions to maintain consistent naming conventions. This change improves code readability and follows standard naming practices.
Introduce a unit test to ensure that invoking Close on a nil smtpclient instance returns nil without errors. This enhances the robustness of the client closure functionality. This test accommodates the fix provided with PR #353
Refactor the test function `TestPlainAuth_noEnc` to include subtests for better organization and add more comprehensive error handling. This improves clarity and robustness by verifying various authentication scenarios and expected outcomes.
Improved the structure and readability of the authentication tests by using subtests for each scenario, ensuring better isolation and clearer failure reporting. Removed unnecessary imports and redundant code, reducing complexity and enhancing maintainability.
This test ensures that when MessageID is called on a nil SendError, it returns an empty string. This additional check helps verify the correct behavior of the MessageID method under nil conditions.
The `sudo apt-get -y upgrade` command was removed from the CI workflow's "Install sendmail" step. This change simplifies the installation process by ensuring only the necessary updates and installations are performed, which can contribute to faster and more reliable CI runs.
This change ensures that the output of the apt-get commands is no longer redirected to /dev/null. This aids in debugging by making command outputs visible in the CI logs.
Consolidated multiple duplicate test cases into grouped sub-tests with clear names. This enhances readability and maintainability, ensures proper test isolation, and removes redundant code.
Replaced constant with named error for readability and maintainability in the error handling condition. Adjusted error message formatting by removing an extra space for consistency.
Refactored the test for `randomStringSecure` to better organize test cases using subtests. Added new test cases to check failures with a broken rand.Reader, improving test coverage and robustness.
Updated the base64-encoded string for attachments in the tests to reflect the correct newline character for Windows. This ensures that the test cases correctly validate the presence of attachments in the mail messages.
Added platform-specific checks for header and attachment content in `msgwriter_test.go`. This ensures compatibility and correct behavior on different operating systems, such as Windows and FreeBSD.
Introduced a new test attachment file for testing purposes. Also added a corresponding license file indicating copyright and licensing information for transparency and compliance.
Introduce comprehensive test cases for the writeHeader and writeBody functions in msgWriter. These tests cover various scenarios including handling of multiple header values, edge cases, and error conditions in body writing operations. This concludes all tests for msgwriter.go.
Implemented tests to validate the MsgWriter writeString method for successful writes, failure scenarios, and handling pre-existing errors in the writer. This improves coverage and ensures robustness of the MsgWriter component.
Introduce tests to validate MsgWriter's handling of message parts. This includes ensuring charset defaulting behavior and proper inclusion of part descriptions.
The TestRcpt constant was defined but never used within the test file, leading to unnecessary clutter. Removing it enhances code readability and maintainability.
This commit introduces unit tests covering various scenarios for attaching files in email messages using msgWriter. These tests check for proper encoding, custom content types, different transfer encodings, custom descriptions, and handling attachments without body parts.
Reorganize existing tests for msgWriter and writeMsg, adding subtests for various encoding, charset, and failure scenarios. Enhanced tests to cover multipart/mixed, multipart/related, multipart/alternative, application/pgp-encrypted, application/pgp-signature messages, and handling of preformatted headers.
Added tests for `AttachReader`, `AttachReadSeeker`, `EmbedReader`, and `EmbedReadSeeker` methods with consecutive `WriteTo` calls to ensure attachments are not lost. This addresses issue #110 on GitHub. Also, added tests for `SetBodyWriter` with a nil option and improved existing tests for `hasAlt` and `hasMixed` methods. This commit concludes the tests for msg.go. We have achieved the highest possible coverage.
Implemented unit tests for WriteToTempFile, including successful writing to a temporary file and failure cases due to an invalid TMPDIR. These tests ensure the method behaves correctly under different conditions and enhances code robustness.
Added a check for the "PERFORM_UNIX_OPEN_WRITE_TESTS" environment variable to conditionally skip tests. This ensures tests are only executed when the variable is set to "true". Additionally, commented out the TestMsg_WriteToTempFileFailed function.
Introduce several unit tests for the Msg.HasSendError function to ensure its correct behavior under different conditions like unsent messages, failed deliveries, and temporary errors. This enhances the validation of message error states within the system.
Introduce a new `FailTemp` property to simulate a temporary failure during the DATA transmission phase in tests. This helps ensure better coverage and handling of specific error conditions.
