public void ContainsDocumentAndDiffs()
{
DiffSet diffSet = new DiffSet(new[] { new Diff(DiffKind.Change, new Range(0, 3), new Range(0, 3)) }, "abc", "def");
Assert.AreEqual("abc", diffSet.LeftDocument);
Assert.AreEqual("def", diffSet.RightDocument);
Assert.AreElementsEqual(new[] { new Diff(DiffKind.Change, new Range(0, 3), new Range(0, 3)) }, diffSet.Diffs);
}
internal static void VerifyDiffSetIsValid(DiffSet diffSet)
{
foreach (Diff diff in diffSet.Diffs)
{
if (diff.Kind == DiffKind.NoChange)
Assert.AreEqual(
diff.LeftRange.SubstringOf(diffSet.LeftDocument),
diff.RightRange.SubstringOf(diffSet.RightDocument));
else
Assert.AreNotEqual(
diff.LeftRange.SubstringOf(diffSet.LeftDocument),
diff.RightRange.SubstringOf(diffSet.RightDocument));
}
}
public void WriteTo_LeftOnlyWithLimitedContext()
{
DiffSet diffSet = new DiffSet(new Diff[] {
new Diff(DiffKind.Change, new Range(0, 1), new Range(0, 1)), // change
new Diff(DiffKind.NoChange, new Range(1, 20), new Range(1, 20)), // same
new Diff(DiffKind.Change, new Range(21, 1), new Range(21, 0)), // deletion
new Diff(DiffKind.NoChange, new Range(22, 20), new Range(21, 20)), // same
new Diff(DiffKind.Change, new Range(42, 0), new Range(41, 1)), // addition
}, "accccccccccccccccccccdeeeeeeeeeeeeeeeeeeee", "bcccccccccccccccccccceeeeeeeeeeeeeeeeeeeef");
StructuredTextWriter writer = new StructuredTextWriter();
diffSet.WriteTo(writer, DiffStyle.LeftOnly, 7);
Assert.AreEqual(new StructuredText(new BodyTag()
{
Contents = {
new MarkerTag(Marker.DiffChange) { Contents = { new TextTag("a") } },
new TextTag("ccc"),
new MarkerTag(Marker.Ellipsis) { Contents = { new TextTag("...") } },
new TextTag("ccc"),
new MarkerTag(Marker.DiffDeletion) { Contents = { new TextTag("d") } },
new TextTag("eee"),
new MarkerTag(Marker.Ellipsis) { Contents = { new TextTag("...") } },
new TextTag("eee")
}
}), writer.ToStructuredText());
}
public void WriteTo_RightOnlyStyle()
{
DiffSet diffSet = new DiffSet(new Diff[] {
new Diff(DiffKind.Change, new Range(0, 1), new Range(0, 1)), // change
new Diff(DiffKind.NoChange, new Range(1, 1), new Range(1, 1)), // same
new Diff(DiffKind.Change, new Range(2, 1), new Range(2, 0)), // deletion
new Diff(DiffKind.NoChange, new Range(3, 1), new Range(2, 1)), // same
new Diff(DiffKind.Change, new Range(4, 0), new Range(3, 1)), // addition
}, "acde", "bcef");
StructuredTextWriter writer = new StructuredTextWriter();
diffSet.WriteTo(writer, DiffStyle.RightOnly);
TestLog.WriteLine(writer);
Assert.AreEqual(new StructuredText(new BodyTag()
{
Contents = {
new MarkerTag(Marker.DiffChange) { Contents = { new TextTag("b") } },
new TextTag("ce"),
new MarkerTag(Marker.DiffDeletion) { Contents = { new TextTag("f") } }
}
}), writer.ToStructuredText());
}
public void WriteToThrowsWhenMaxContextLengthIsNegative()
{
DiffSet diffSet = new DiffSet(new Diff[] { }, "", "");
StructuredTextWriter writer = new StructuredTextWriter();
Assert.Throws<ArgumentOutOfRangeException>(() => diffSet.WriteTo(writer, DiffStyle.Interleaved, -1));
}
public void WriteToThrowsWhenWriterIsNull()
{
DiffSet diffSet = new DiffSet(new Diff[] { }, "", "");
Assert.Throws<ArgumentNullException>(() => diffSet.WriteTo(null));
}