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Attempt to improve coverage of CoreLibMetadataImporterProvider

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This commit is contained in:
Paulo Janotti
2018-10-05 11:46:27 -07:00
parent 3092142d32
commit e808d161fc
1 changed files with 29 additions and 4 deletions
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test/coverlet.core.tests/Instrumentation/InstrumenterTests.cs
+29 -4
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@@ -46,6 +46,19 @@ namespace Coverlet.Core.Instrumentation.Tests
instrumenterTest.Directory.Delete(true);
}
[Fact]
public void TestInstrumentCoreLib()
{
var instrumenterTest = CreateInstrumentor(fakeCoreLibModule: true);
var result = instrumenterTest.Instrumenter.Instrument();
Assert.Equal(Path.GetFileNameWithoutExtension(instrumenterTest.Module), result.Module);
Assert.Equal(instrumenterTest.Module, result.ModulePath);
instrumenterTest.Directory.Delete(true);
}
[Theory]
[InlineData(typeof(ClassExcludedByCodeAnalysisCodeCoverageAttr))]
[InlineData(typeof(ClassExcludedByCoverletCodeCoverageAttr))]
@@ -63,7 +76,7 @@ namespace Coverlet.Core.Instrumentation.Tests
instrumenterTest.Directory.Delete(true);
}
private InstrumenterTest CreateInstrumentor()
private InstrumenterTest CreateInstrumentor(bool fakeCoreLibModule = false)
{
string module = GetType().Assembly.Location;
string pdb = Path.Combine(Path.GetDirectoryName(module), Path.GetFileNameWithoutExtension(module) + ".pdb");
@@ -71,10 +84,22 @@ namespace Coverlet.Core.Instrumentation.Tests
DirectoryInfo directory = Directory.CreateDirectory(Path.Combine(Path.GetTempPath(), identifier));
File.Copy(module, Path.Combine(directory.FullName, Path.GetFileName(module)), true);
File.Copy(pdb, Path.Combine(directory.FullName, Path.GetFileName(pdb)), true);
string destModule, destPdb;
if (fakeCoreLibModule)
{
destModule = "System.Private.CoreLib.dll";
destPdb = "System.Private.CoreLib.pdb";
}
else
{
destModule = Path.GetFileName(module);
destPdb = Path.GetFileName(pdb);
}
module = Path.Combine(directory.FullName, Path.GetFileName(module));
File.Copy(module, Path.Combine(directory.FullName, destModule), true);
File.Copy(pdb, Path.Combine(directory.FullName, destPdb), true);
module = Path.Combine(directory.FullName, destModule);
Instrumenter instrumenter = new Instrumenter(module, identifier, Array.Empty<string>(), Array.Empty<string>(), Array.Empty<string>());
return new InstrumenterTest
{