private async Task TestCodeGenerationCase(ClassUpdateTestCase test, LanguageVersion languageVersion)
{
Task <string> sourceTask = File.ReadAllTextAsync(test.SourceFileName);
Task <string?> expectedTask = Task.FromResult <string?>(null);
if (File.Exists(test.ExpectedFileName))
{
expectedTask = File.ReadAllTextAsync(test.ExpectedFileName);
}
string source = await sourceTask.ConfigureAwait(false);
var result = await _mocklisClassUpdater.UpdateMocklisClass(source, languageVersion).ConfigureAwait(false);
string?expected = (await expectedTask.ConfigureAwait(false))?.Replace("[VERSION]", _version);
// Create the 'expected' file if it isn't there. Empty out to recreate.
if (string.IsNullOrWhiteSpace(expected))
{
#if NCRUNCH
var folder = Environment.GetEnvironmentVariable("MockGeneratorTestsFolder");
string expectedFilePathInSourceCode =
folder == null ? null : Path.Combine(folder, test.TestCaseFolder, test.TestCase + ".Expected.cs");
#else
string expectedFilePathInSourceCode =
Path.Combine(test.PathToTestCases, "..", "..", "..", test.TestCaseFolder, test.TestCase + ".Expected.cs");
#endif
if (expectedFilePathInSourceCode != null)
{
await File.WriteAllTextAsync(expectedFilePathInSourceCode, result.Code.Replace(_version, "[VERSION]")).ConfigureAwait(false);
expected = result.Code;
}
}
try
{
Assert.Equal(expected, result.Code);
}
catch (Xunit.Sdk.EqualException ex)
{
if (!result.IsSuccess)
{
_testOutputHelper.WriteLine(ex.Message);
_testOutputHelper.WriteLine(string.Empty);
}
else
{
throw;
}
}
if (!result.IsSuccess)
{
foreach (var error in result.Errors)
{
_testOutputHelper.WriteLine(error.ErrorText);
_testOutputHelper.WriteLine(string.Empty);
foreach (var line in error.MarkedCodeLines())
{
_testOutputHelper.WriteLine(line);
}
_testOutputHelper.WriteLine(string.Empty);
}
throw new Exception("Compilation failed...");
}
}
public async Task TestMocklisClassUpdaterForCSharp8(ClassUpdateTestCase test)
{
await TestCodeGenerationCase(test, LanguageVersion.CSharp8);
}