🧹 chore: Improve Binder tests coverage #3529
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WalkthroughThe test suite for the binder package was expanded with several new functions targeting error handling, edge cases, custom parsing logic, and configuration scenarios. These additions focus on invalid input, map parsing, decoder configuration, and type mismatches to improve test coverage and robustness. Changes
Sequence Diagram(s)sequenceDiagram
participant Test
participant Binder
participant Decoder
Test->>Binder: Provide input (valid/invalid)
Binder->>Decoder: Parse input (with/without custom converter)
Decoder-->>Binder: Return result or error
Binder-->>Test: Test assertions (success, error, panic)
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Summary of Changes
Hello @gaby, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request significantly enhances the test coverage for the binder package by introducing a suite of new unit tests. The primary goal is to improve the robustness of the binding mechanisms by validating error handling, ensuring correct parsing behavior for various data structures, and confirming the proper functioning of custom parser configurations. This work aims to catch potential issues early and increase the overall reliability of the data binding process.
Highlights
- Error Path Testing: I've added new test cases to
binder_test.goto cover error paths forQueryBindingandFormBinding, specifically addressing invalid key formats and malformed multipart requests. This ensures the binder functions handle erroneous input gracefully. - Internal Function Testing: I've introduced tests for internal functions like
getFieldCacheto verify panic conditions andparseToMapandparseto ensure correct handling of various map types and their parsing behavior. - Custom Parser Decoder Validation: I've added comprehensive tests for
SetParserDecoderto validate its behavior whenIgnoreUnknownKeysis set tofalse(expecting errors for unknown fields) and to confirm that custom type converters are correctly applied during the binding process. - Type Mismatch Handling: A new test case for
formatBindDatahas been added to explicitly check for and confirm error reporting when an unsupported value type is encountered during binding.
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gaby
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Pull Request Overview
This PR enhances the binder package’s test suite by covering error paths and parser behavior, while removing a temporary test file.
- Added error-path tests for QueryBinding and FormBinding
- Introduced tests for parseToMap, parse, custom parser decoders, and formatBindData type mismatches
- Removed the temporary
binder_extra_test.gofile
Comments suppressed due to low confidence (2)
binder/binder_test.go:44
- Asserting an exact error message substring may be brittle if wording changes; consider checking for a custom error type or using a constant to make the test more resilient.
require.Contains(t, err.Error(), "unmatched brackets")
binder/binder_test.go:86
- [nitpick] The test name mixes snake_case with Go’s CamelCase convention. Consider renaming to
TestParseFunctionMapsfor consistency with other tests.
func Test_parse_function_maps(t *testing.T) {
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #3529 +/- ##
==========================================
+ Coverage 89.28% 89.49% +0.20%
==========================================
Files 111 111
Lines 11163 11163
==========================================
+ Hits 9967 9990 +23
+ Misses 903 886 -17
+ Partials 293 287 -6
Flags with carried forward coverage won't be shown. Click here to find out more. ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Code Review
This pull request significantly increases test coverage for the binder package, particularly focusing on error paths, custom parser configurations, and map handling. It also includes the removal of a temporary test file (binder_extra_test.go). The new tests are well-structured and utilize t.Parallel() for efficiency. The review identified a couple of areas for improvement to enhance test robustness:
- Ensuring reliable reset of global state in
Test_SetParserDecoder_UnknownKeysusingdeferto prevent potential flakiness in parallel test execution. - Suggesting more explicit error handling in the custom converter function within
Test_SetParserDecoder_CustomConverteras a best practice, even though the current test input is valid.
Overall, these changes are a valuable addition to the test suite.
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⚠️ Performance Alert ⚠️
Possible performance regression was detected for benchmark.
Benchmark result of this commit is worse than the previous benchmark result exceeding threshold 1.50.
| Benchmark suite | Current: b948468 | Previous: a68b0e0 | Ratio |
|---|---|---|---|
Benchmark_GenericParseTypeBytes/benchmark_genericParseTypeBytes#03 |
26.03 ns/op 0 B/op 0 allocs/op |
12.54 ns/op 0 B/op 0 allocs/op |
2.08 |
Benchmark_GenericParseTypeBytes/benchmark_genericParseTypeBytes#03 - ns/op |
26.03 ns/op |
12.54 ns/op |
2.08 |
This comment was automatically generated by workflow using github-action-benchmark.
Summary