better_test_reporter

Introduction

This is an application/library heavily inspired by dart-junitreport and dart-testreport. It takes what was done in those two packages and brings them under a single umbrella, updates to null-safety, and makes various code style improvements.

The purpose of this package is three-fold:

Firstly, it provides models by which output from the test json reporter can be decoded.
Secondly, it provides a processor that will take a full json report from the test json reporter and generate a more developer-friendly report model structure that is agnostic to the protocol version of the test json reporter.
Thirdly, it is a command-line application(report_to_junit) that can be used to take in a full json report from the test json reporter and generate a junit XML report(usable by many CI tools)

Experimental nature

This package is still experimental as we continue to build out more functionality. It's current state is barebones as we investigate ways to make the junit output more useful and ways to produce better testing reports for use outside of just junit.

Getting Started

In order to start using the report_to_junit command, install the latest better_test_reporter as a global package via pub.dev.

pub global activate better_test_reporter

Options

Details on all options for report_to_junit can be found by running report_to_junit --help

> report_to_junit --help
-i, --input        the path to the 'json' file containing the output of 'pub run test'.
                   if missing, <stdin> will be used
-o, --output       the path of the to be generated junit xml file.
                   if missing, <stdout> will be used
-b, --base         the part to strip from the 'path' elements in the source
                   (defaults to the current working directory)
-p, --package      the part to prepend to the 'path' elements in the source
                   (defaults to "")
-t, --timestamp    the timestamp to be used in the report
                   - 'now' will use the current date/time
                   - 'none' will suppress timestamps altogether
                   - a date formatted 'yyyy-MM-ddThh:mm:ss' will be used as UTC date/time
                   - if no value is provided
                       - if '--input' is specified the file modification date/time is used
                       - otherwise the current date/time is used
-h, --help         display this help text

Misc

Differences from original implementation in `dart-junitreport` and `dart-testreport`

When generating the XML for a problem during a test, dart-junitreport had a special case for only one problem occurred. The multiple problem case also handled the case for a single problem. We found the special case for a single problem unneeded and a little buggy, so it was removed in better_test_reporter.
When parsing the test reporter json into a report, dart-testreport set tests as not hidden if they encountered any problems while running. In better_test_reporter, the hidden attribute on a test will be purely based on whether the test was explicitly hidden based on the TestDoneEvent json. That said, we maintained the hidden behavior for the output junit xml by shifting that decision out of the report and up to whatever consumes the report.
When generating the XML for a test case, better_test_reporter defaults to stripping the current working directory out of the classname.

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