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audk/BaseTools/Plugin
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Michael Kubacki 3163f34a42 BaseTools/Plugin: Clarify code coverage failure message 
HostBasedUnitTestRunner.py is a build plugin responsible for locating
and executing host-based unit tests.

Recently, commit 6bb00aa introduced support for the plugin to
generate code coverage reports via lcov and OpenCppCoverage.

The plugin has discovered unit tests by searching for executables
with "Test" in the name for a while. However, the test coverage
change makes assumptions about test presence when crafting the
OpenCppCoverage command that ultimately fails with an ambiguous error
message if no host-based unit tests are discovered (see "ERROR").

```
SECTION - Run Host based Unit Tests
SUBSECTION - Testing for architecture: X64
ERROR - UnitTest Coverage: Failed to generate cobertura format xml in
        single package.
PROGRESS - --->Test Success: Host Unit Test Compiler Plugin NOOPT
```

This change preempts that message with a check in the plugin to
determine if any host-based tests were discovered. If not, a message
is printed with more guidance about how the developer should proceed
to either (1) fix their tests so code coverage is generated as
expected or (2) prevent the error message.

New message:

```
SECTION - Run Host based Unit Tests
SUBSECTION - Testing for architecture: X64
WARNING - UnitTest Coverage:
  No unit tests discovered. Test coverage will not be generated.

  Prevent this message by:
  1. Adding host-based unit tests to this package
  2. Ensuring tests have the word "Test" in their name
  3. Disabling HostUnitTestCompilerPlugin in the package CI YAML file
PROGRESS - --->Test Success: Host Unit Test Compiler Plugin NOOPT
```

Cc: Rebecca Cran <rebecca@bsdio.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Sean Brogan <sean.brogan@microsoft.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
 		2023-04-20 22:39:10 +00:00
..
BuildToolsReport
…
HostBasedUnitTestRunner BaseTools/Plugin: Clarify code coverage failure message 2023-04-20 22:39:10 +00:00
LinuxGcc5ToolChain BaseTools: Enable LoongArch64 architecture for LoongArch64 EDK2 CI. 2022-10-14 02:16:33 +00:00
WindowsResourceCompiler
…
WindowsVsToolChain BaseTools: Update WindowsVsToolChain plugin 2023-02-16 18:54:33 +00:00