55 commits

Author	SHA1	Message	Date
Winni Neessen	1bfec504ed	Add new SMTP test cases for various failure scenarios ... This commit introduces multiple test cases to handle SMTP failure scenarios such as invalid host, newline in addresses, EHLO/HELO failures, and malformed data injections. Additionally, it includes improvements in error handling for these specific conditions.	2024-11-11 17:12:15 +01:00
Winni Neessen	87accd289e	Fix formatting in smtp_test.go and add new test cases ... Corrected indentation inconsistencies in the smtp_test.go file. Added multiple test cases to verify the failure scenarios for `SendMail` under various conditions including invalid hostnames, newlines in the address fields, and server failures during EHLO/HELO, STARTTLS, and authentication stages.	2024-11-11 16:41:44 +01:00
Winni Neessen	c6da393676	Add echo buffer to SMTP server tests ... Refactored SMTP server tests to use an echo buffer for capturing responses. This allows for better validation of command responses without relying on error messages. Additionally, added a new test case to validate a full SendMail transaction with TLS and authentication.	2024-11-11 13:31:25 +01:00
Winni Neessen	e9c7bdbb4e	Refactor TLS config initialization in tests ... Replace repetitive TLS configuration code with a reusable `getTLSConfig` helper function for consistency and maintainability. Additionally, update port configuration and add new tests for mail data transmission.	2024-11-11 12:54:10 +01:00
Winni Neessen	75bfdd2855	Update smtp tests to use t.Fatalf for critical failures ... Changed `t.Errorf` to `t.Fatalf` in multiple instances within the test cases. This ensures that the tests halt immediately upon a critical failure, improving test reliability and debugging clarity.	2024-11-11 12:28:52 +01:00
Winni Neessen	d446b491e2	Add client cleanup to SMTP tests and new TestClient_Rcpt ... Update SMTP tests to use t.Cleanup for client cleanup to ensure proper resource release. Introduce a new test, TestClient_Rcpt, to verify recipient address handling under various conditions.	2024-11-10 14:31:18 +01:00
Winni Neessen	0d8d097ae1	Add tests for DSN, 8BITMIME, and SMTPUTF8 support in SMTP ... Introduce new test cases to verify the SMTP server's ability to handle DSN, 8BITMIME, and SMTPUTF8 features. These tests ensure correct response behavior when these features are supported by the server.	2024-11-10 14:10:50 +01:00
Winni Neessen	0df228178a	Add extensive client tests for Mail, Verify, and Auth commands ... Introduce new tests for the SMTP client covering scenarios for Mail, Verify, and Auth commands to ensure correct behavior under various conditions. Updated `simpleSMTPServer` implementation to handle more cases including VRFY and SMTPUTF8.	2024-11-10 14:06:05 +01:00
Winni Neessen	b7ffce62aa	Add TLS connection state tests for SMTP client ... Introduce tests to verify TLS connection state handling in the SMTP client. Ensure that normal TLS connections return a valid state, and non-TLS connections do not wrongly indicate a TLS state.	2024-11-09 15:22:23 +01:00
Winni Neessen	8f28babc47	Add tests for Client StartTLS functionality ... Introduce new tests to cover the Client's behavior when initiating a STARTTLS session under different conditions: normal operation, failure on EHLO/HELO, and a server not supporting STARTTLS. This ensures robustness in handling STARTTLS interactions.	2024-11-09 14:58:23 +01:00
Winni Neessen	50505e1339	Add test for Client cmd failure on textproto command ... This commit introduces a new test case for the `Client`'s `cmd` method to ensure it fails correctly when the `textproto` command encounters a broken writer. It also adds a `failWriter` struct that simulates a write failure to facilitate this testing scenario.	2024-11-09 14:26:44 +01:00
Winni Neessen	af7964450a	Add test cases for invalid HELO/EHLO commands ... Add tests to ensure HELO/EHLO commands fail with empty name, newline in name, and double execution. This improves validation and robustness of the SMTP client implementation.	2024-11-09 14:01:02 +01:00
Winni Neessen	cefaa0d4ee	Refactor SMTP test cases for improved clarity and coverage ... Consolidate and organize SMTP test cases by removing obsolete tests and adding focused, detailed tests for CRAM-MD5 and new client behaviors. This ensures clearer test structure and better coverage of edge cases.	2024-11-09 13:44:14 +01:00
Winni Neessen	92ab51b13d	Add comprehensive tests for scramAuth error handling ... Introduce new test cases to validate the error handling of the scramAuth methods. These tests cover scenarios such as invalid characters in usernames, empty inputs, and edge cases like broken rand.Reader.	2024-11-09 00:06:33 +01:00
Winni Neessen	d4c6cb506c	Add SCRAM authentication tests to smtp package ... 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.	2024-11-08 16:53:09 +01:00
Winni Neessen	c656226fd3	Add XOAuth2 authentication tests to SMTP package ... 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.	2024-11-08 15:51:17 +01:00
Winni Neessen	1af17f14e1	Add cleanup to close client connections in tests ... 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.	2024-11-08 15:11:47 +01:00
Winni Neessen	b03fbb4ae8	Add test server for SMTP authentication ... 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.	2024-11-07 22:42:23 +01:00
Winni Neessen	4221d48644	Update login authentication test cases in smtp_test.go ... Renamed the test functions and improved the test structure for login authentication checks. Added subtests to provide clear descriptions and enhance error checking.	2024-11-07 21:31:24 +01:00
Winni Neessen	410343496c	Refactor and expand TestLoginAuth ... 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.	2024-11-07 21:14:52 +01:00
Winni Neessen	3cfd20576d	Rename and expand TestPlainAuth_noEnc with additional checks ... 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.	2024-11-03 16:13:54 +01:00
Winni Neessen	99c4378107	Refactor and streamline authentication tests ... 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.	2024-11-01 19:22:28 +01:00
Winni Neessen	8353b4b255	Follow upstream for HELO during Quit bug ... I reported the bug I fixed in 74fa3f6f62 to Go upstream. They fixed simpler by just ignoring the error (See: https://go.dev/cl/622476). We follow this patch accordingly. The upstream test has been adopted as well.	2024-10-25 09:33:45 +02:00
Winni Neessen	df1a141368	Handle client close errors in SMTP tests ... Update defer statements to log errors if client fails to close in smtp_test.go. Additionally, add a return statement to avoid further errors after a failed SendMail operation.	2024-10-22 16:02:43 +02:00
Winni Neessen	e2ed5b747a	Add tests for PlainAuth and LoginAuth without encryption ... Introduced new test functions TestAuthPlainNoEnc and TestAuthLoginNoEnc in smtp_test.go to verify behaviors of PlainAuth and LoginAuth without TLS encryption. These tests ensure that authentication mechanisms handle non-encrypted and diverse server configurations correctly.	2024-10-22 15:50:18 +02:00
Winni Neessen	2bd950469a	Add 'skipTLS' parameter to auth functions in tests ... Updated PlainAuth and LoginAuth calls in smtp_test.go and example_test.go to include a 'skipTLS' boolean parameter. This ensures consistent function signatures throughout the test cases and examples.	2024-10-22 15:44:40 +02:00
Winni Neessen	f120485c98	Correct typo in comment ... Fix a typo in smtp_test.go's comment from "challanges" to "challenges" to improve readability and accuracy of documentation. This change does not affect the code's functionality.	2024-10-16 10:37:13 +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	476130d6e3	Fumpt files to make golangci-lint happy	2024-10-05 11:43:50 +02:00
Winni Neessen	159c1bf850	Add tests for new tls and connection handling methods ... This commit introduces tests for various TLS-related methods such as GetTLSConnectionState, HasConnection, SetDSNMailReturnOption, SetDSNRcptNotifyOption, and UpdateDeadline. It also modifies the error handling logic in smtp.go to include new error types and improves the mutex handling in UpdateDeadline.	2024-10-05 10:55:25 +02:00
Winni Neessen	711ce2ac65	Add support for SCRAM-SHA-1-PLUS and SCRAM-SHA-256-PLUS ... Extended SMTP tests to include SCRAM-SHA-1-PLUS and SCRAM-SHA-256-PLUS authentication mechanisms. Adjusted the `startSMTPServer` function to accept a hashing function and modified the server logic to handle TLS channel binding.	2024-10-04 18:31:58 +02:00
Winni Neessen	4c8c0d855e	Handle read errors in SMTP authentication flow ... Add checks to handle errors when reading client messages. This ensures that an appropriate error message is sent back to the client if reading fails, improving the robustness of the SMTP authentication process.	2024-10-03 12:38:39 +02:00
Winni Neessen	03062c5183	Add SCRAM-SHA authentication tests for SMTP ... Introduce new unit tests to verify SCRAM-SHA-1 and SCRAM-SHA-256 authentication for the SMTP client. These tests cover both successful and failing authentication cases, and include a mock SMTP server to facilitate testing.	2024-10-03 12:32:06 +02:00
Winni Neessen	a8e89a1258	Add support for SCRAM-SHA authentication mechanisms ... Introduced new test cases for SCRAM-SHA-1, SCRAM-SHA-256, and their PLUS variants in `smtp_test.go`. Updated the authTest structure to include a `hasNonce` flag and implemented logic to handle nonce validation and success message processing.	2024-10-02 18:02:46 +02:00
Winni Neessen	93752280aa	Update smtp_test.go to add more authentication test cases ... Enhanced the LoginAuth test coverage by adding new scenarios with different sequences and invalid cases. This ensures more robust validation and better handling of edge cases in authentication testing.	2024-10-02 12:54:32 +02:00
Winni Neessen	071ad66035	Sync with upstream ... This PR syncs our smtp package with the upstream `net/smtp` changes introduced via bf91eb3a8b	2024-05-24 18:50:27 +02:00
Winni Neessen	07783d24e5	Update format string in Debugf method calls in tests ... The format string for the Debugf method calls within the smtp_test.go file have been updated. Previously, the format string was empty, but it has now been changed to "%s" to align with the standard formatting expectations, improving the correctness of the tests.	2024-04-06 17:13:45 +02:00
Winni Neessen	7a549242ae	Update Go version and clean up SMTP test suite ... The Go version has been updated to 1.22 in the .golangci.toml file for compatibility reasons. Additionally, unnecessary white space has been removed from the smtp/smtp_test.go file to maximize code efficiency and readability.	2024-02-08 16:51:25 +01:00
James Elliott	a73a914fb2	feat(smtp): auth login extension draft support ... This adds support for the auth login extension draft.	2024-01-07 13:34:33 +11:00
Winni Neessen	1c5c1e318c	#136: Refactor logging for clearer messaging direction ... The logging system in the smtp.go and log package has been refactored. A new custom log type `Log` was introduced, that includes the message direction, format and arguments. The `Logger` interface and the `Stdlog` implementation were modified to accept this new type. This change provides a clearer understanding of message direction inside logs, allowing for easier debugging and reduced complexity. This change does not affect features or disrupt user functionality. Additionally, it allows for custom implementations of the log.Logger interface to without being forced to use the C --> S/C <-- S direction logging.	2023-08-02 11:43:45 +02:00
Nicola Murino	61b9e59dd2	oauth2: add more test cases	2023-06-04 10:47:19 +02:00
Nicola Murino	8673addaf0	OAuth2: remove variants ... Microsoft also accept the same protocol used for Google servers	2023-05-29 18:19:01 +02:00
Nicola Murino	6e4b348ccf	add Oauth2 support ... fixes #129	2023-05-28 14:31:04 +02:00
Winni Neessen	912797c782	#126: sync upstream changes to net/smtp ... Related: https://github.com/golang/go/issues/58141 Resolves #126	2023-04-12 09:54:26 +02:00
Winni Neessen	13d0add21c	#121: Remove defer from for loops ... Fixes #121. `defer` in for loops can possibly lead to leaks. The whole handling including the defer are now moved into anonymous functions outside the for loop and are called form the loop instead. This way the defer is handle when the inline function finishes	2023-03-15 18:42:25 +01:00
Winni Neessen	6633591b51	Implement Logger interface ... As stated in https://github.com/wneessen/go-mail/pull/102#issuecomment-1411956040 it would be beneficial if, instead of forcing the Go stdlib logger on the user to provide a simple interface and use that for logging purposes. This PR implements this simple log.Logger interface as well as a standard logger that satisfies this interface. If no custom logger is provided, the Stdlog will be used (which makes use of the Go stdlib again). Accordingly, a `Client.WithLogger` and `Client.SetLogger` have been implemented. Same applies for the smtp counterparts.	2023-02-03 10:19:26 +01:00
Winni Neessen	e36511e90e	Fix tests to not log authentication data ... We don't want to expose SMTP authentication details in tests, therefore the tests have been adjusted a bit	2023-01-14 13:05:04 +01:00
Winni Neessen	34b432a985	Implement debug logging in SMTP client ... Resolves #101. Since we now have full control over the SMTP client we can also access the message input and output. This PR introduces a new debug logging feature. Via the `Client.WithDebugLog` the user can enable this feature. It will then make use of the new `smtp/Client.SetDebugLog` method. Once the flag is set to true, the SMTP client will start logging incoming and outgoing messages to os.Stderr. Log directions will be output accordingly	2023-01-14 12:47:51 +01:00
Winni Neessen	7cb34856a3	Adjusting license headers and including original LICENSE file from the Go project into the smtp/ directory as suggested in https://github.com/wneessen/go-mail/issues/97#issuecomment-1381046444	2023-01-13 16:54:55 +01:00
Winni Neessen	820d1c25d8	Fork net/smpt into go-mail ... Implemented negative check for AuthLogin Auth method	2023-01-11 20:35:22 +01:00