public static (IReadOnlyCollection <DiffItem> mismatches, JToken expected) CompareAndRebase(this TestCase testCase, JToken actual, JToken @base, IEnumerable <DiffItem> actualDiffs, string resultName, ITokenSelectorProvider idProvider, bool rebaseline)
{
var expectedDiffs = testCase.GetObjectFromJson <IEnumerable <DiffItem> >(resultName) ?? Enumerable.Empty <DiffItem>();
var expected = @base.DeepClone();
try
{
expected.ApplyPatch(expectedDiffs);
}
catch (Exception _)
{
testCase.RebaseContentOrStoreTmp(resultName, actualDiffs.ToIndentedJson(), rebaseline);
throw;
}
var mismatches = JsonPatchCreator.Compare(expected, actual, idProvider).ToList();
if (mismatches.Count > 0)
{
testCase.RebaseContentOrStoreTmp(resultName, actualDiffs.ToIndentedJson(), rebaseline);
}
testCase.AddTmpItem("full_" + resultName, actual.ToIndentedJson());
return(mismatches, expected);
}
public async Task ExecuteAsync(TestCaseContext testCaseContext)
{
var effectiveItemKey = testCaseContext.GetEffectiveItemKey(_itemKey);
testCaseContext.DescriptionWriter.AddNote("AssertContentDiff", $"{effectiveItemKey} => file: {_diffName}, base: {_baseFile}");
var actual = testCaseContext.GetRequiredItemAsJToken(effectiveItemKey);
if (!string.IsNullOrEmpty(_jsonPath))
{
actual = new JArray(actual.SelectTokens(_jsonPath));
}
var testCase = testCaseContext.TestCase;
var expectedBase = await testCase.GetObjectFromJsonAsync <JToken>(_baseFile);
var diffs = JsonPatchCreator.Compare(expectedBase, actual, _tokenSelectorProvider);
(var mismatches, var expected) = await testCase.CompareAndRebaseAsync(actual, expectedBase, diffs, _diffName, _tokenSelectorProvider, testCaseContext.Options.IsRebaseline());
if (mismatches.Count > 0)
{
var matchedDiffCategories = testCaseContext.GetDiffCategories(actual, expected, _categoriesFile);
throw new AssertException("Unexpected token changes:" + string.Join("\n", mismatches.Select(d => d.JsonPath)), matchedDiffCategories);
}
}
public void CompareTest(JToken lhs, JToken rhs, string expectedResult)
{
var result = JsonPatchCreator.Compare(lhs, rhs, _propertyBasedIdProvider).ToList();
Assert.That(JsonConvert.SerializeObject(result), Is.EqualTo(expectedResult));
lhs.ApplyPatch(result);
Assert.That(lhs, Is.EqualTo(rhs));
}
public static void AssertContentAsDiff(this TestCase testCase, JToken actual, JToken expected, string resultName, ITokenSelectorProvider idProvider, bool rebaseline)
{
var diffs = JsonPatchCreator.Compare(expected, actual, idProvider);
(var mismatches, var _) = testCase.CompareAndRebase(actual, expected, diffs, resultName, idProvider, rebaseline);
if (mismatches.Count > 0)
{
throw new AssertException("Unexpected token changes:" + string.Join("\n", mismatches.Select(d => d.JsonPath)));
}
}
