expfmt: add test cases for TextParser startOfLine error handling #449
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The test cases cover the various scenarios that can occur when the TextParser `startOfLine` method encounters an error. The first subtest ensures that the method handles the `io.EOF` error correctly when the input `io.Reader` is empty. The second subtest uses a custom implementation of `io.Reader` to test that `startOfLine` handles errors other than `io.EOF` correctly. See prometheus#444 Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>
beorn7
approved these changes
Feb 21, 2023
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The test cases cover the various scenarios that can occur when the TextParser
startOfLinemethod encounters an error. The first subtest ensures that the method handles theio.EOFerror correctly when the inputio.Readeris empty.The second subtest uses a custom implementation of
io.Readerto test thatstartOfLinehandles errors other thanio.EOFcorrectly.See #444