public void FlattenMap_ReturnsOnlyLineInformation()
{
// Arrange
SourcePosition generated1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 1, colNumber: 2);
SourcePosition original1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 2);
MappingEntry mappingEntry = UnitTestUtils.GetSimpleEntry(generated1, original1, "sourceOne.js");
SourceMap map = new SourceMap
{
File = "generated.js",
Sources = new List <string> {
"sourceOne.js"
},
ParsedMappings = new List <MappingEntry> {
mappingEntry
},
SourcesContent = new List <string> {
"var a = b"
}
};
// Act
SourceMap linesOnlyMap = SourceMapTransformer.Flatten(map);
// Assert
Assert.IsNotNull(linesOnlyMap);
Assert.AreEqual(1, linesOnlyMap.Sources.Count);
Assert.AreEqual(1, linesOnlyMap.SourcesContent.Count);
Assert.AreEqual(1, linesOnlyMap.ParsedMappings.Count);
Assert.AreEqual(1, linesOnlyMap.ParsedMappings[0].GeneratedSourcePosition.ZeroBasedLineNumber);
Assert.AreEqual(0, linesOnlyMap.ParsedMappings[0].GeneratedSourcePosition.ZeroBasedColumnNumber);
Assert.AreEqual(2, linesOnlyMap.ParsedMappings[0].OriginalSourcePosition.ZeroBasedLineNumber);
Assert.AreEqual(0, linesOnlyMap.ParsedMappings[0].OriginalSourcePosition.ZeroBasedColumnNumber);
}
public void ApplyMap_ExactMatchDeep_ReturnsCorrectMappingEntry()
{
// Arrange
var generated1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 3, colNumber: 5);
var original1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 10);
var mapLevel2 = UnitTestUtils.GetSimpleEntry(generated1, original1, "sourceThree.js");
var grandChildMap = new SourceMap
{
File = "sourceTwo.js",
Sources = new List <string> {
"sourceThree.js"
},
ParsedMappings = new List <MappingEntry> {
mapLevel2
}
};
var generated2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 4, colNumber: 3);
var original2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 3, colNumber: 5);
var mapLevel1 = UnitTestUtils.GetSimpleEntry(generated2, original2, "sourceTwo.js");
var childMap = new SourceMap
{
File = "sourceOne.js",
Sources = new List <string> {
"sourceTwo.js"
},
ParsedMappings = new List <MappingEntry> {
mapLevel1
}
};
var generated3 = UnitTestUtils.GenerateSourcePosition(lineNumber: 5, colNumber: 5);
var original3 = UnitTestUtils.GenerateSourcePosition(lineNumber: 4, colNumber: 3);
var mapLevel0 = UnitTestUtils.GetSimpleEntry(generated3, original3, "sourceOne.js");
var parentMap = new SourceMap
{
File = "generated.js",
Sources = new List <string> {
"sourceOne.js"
},
ParsedMappings = new List <MappingEntry> {
mapLevel0
}
};
// Act
var firstCombinedMap = parentMap.ApplySourceMap(childMap);
// Assert
Assert.IsNotNull(firstCombinedMap);
var secondCombinedMap = firstCombinedMap.ApplySourceMap(grandChildMap);
Assert.IsNotNull(secondCombinedMap);
var rootMapping = secondCombinedMap.GetMappingEntryForGeneratedSourcePosition(generated3);
Assert.AreEqual(0, rootMapping.OriginalSourcePosition.CompareTo(mapLevel2.OriginalSourcePosition));
}
public void ApplyMap_PartialMatchingSources_ReturnsCorrectMap()
{
// Expect mappings with same source filename as the applied source-map to be replaced
// mappings with a different source filename should stay the same
// Arrange
var generated1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 10);
var original1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 1, colNumber: 5);
var childMapping = UnitTestUtils.GetSimpleEntry(generated1, original1, "sourceTwo.js");
var childMap = new SourceMap
{
File = "sourceOne.js",
Sources = new List <string> {
"sourceTwo.js"
},
ParsedMappings = new List <MappingEntry> {
childMapping
}
};
var generated2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 3, colNumber: 2);
var original2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 10);
var mapping = UnitTestUtils.GetSimpleEntry(generated2, original2, "sourceOne.js");
var generated3 = UnitTestUtils.GenerateSourcePosition(lineNumber: 4, colNumber: 3);
var original3 = UnitTestUtils.GenerateSourcePosition(lineNumber: 3, colNumber: 2);
var mapping2 = UnitTestUtils.GetSimpleEntry(generated3, original3, "noMapForThis.js");
var parentMap = new SourceMap
{
File = "generated.js",
Sources = new List <string> {
"sourceOne.js", "noMapForThis.js"
},
ParsedMappings = new List <MappingEntry> {
mapping, mapping2
}
};
// Act
var combinedMap = parentMap.ApplySourceMap(childMap);
// Assert
Assert.IsNotNull(combinedMap);
Assert.AreEqual(2, combinedMap.ParsedMappings.Count);
Assert.AreEqual(2, combinedMap.Sources.Count);
var firstCombinedMapping = combinedMap.GetMappingEntryForGeneratedSourcePosition(generated3);
Assert.IsTrue(firstCombinedMapping.IsValueEqual(mapping2));
var secondCombinedMapping = combinedMap.GetMappingEntryForGeneratedSourcePosition(generated2);
Assert.AreEqual(0,
secondCombinedMapping.OriginalSourcePosition.CompareTo(childMapping.OriginalSourcePosition));
}
public void ApplyMap_MatchingSources_ReturnsCorrectMap()
{
// Expect mapping with same source filename as the applied source-map to be replaced
// Arrange
var generated1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 4);
var original1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 1, colNumber: 3);
var childMapping = UnitTestUtils.GetSimpleEntry(generated1, original1, "sourceTwo.js");
var childMap = new SourceMap
{
File = "sourceOne.js",
Sources = new List <string> {
"sourceTwo.js"
},
ParsedMappings = new List <MappingEntry> {
childMapping
}
};
var generated2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 3, colNumber: 5);
var original2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 4);
var parentMapping = UnitTestUtils.GetSimpleEntry(generated2, original2, "sourceOne.js");
var parentMap = new SourceMap
{
File = "generated.js",
Sources = new List <string> {
"sourceOne.js"
},
ParsedMappings = new List <MappingEntry> {
parentMapping
}
};
// Act
var combinedMap = parentMap.ApplySourceMap(childMap);
// Assert
Assert.IsNotNull(combinedMap);
Assert.AreEqual(1, combinedMap.ParsedMappings.Count);
Assert.AreEqual(1, combinedMap.Sources.Count);
var rootMapping = combinedMap.GetMappingEntryForGeneratedSourcePosition(generated2);
Assert.AreEqual(0, rootMapping.OriginalSourcePosition.CompareTo(childMapping.OriginalSourcePosition));
}
public void ApplyMap_NoMatchingMappings_ReturnsSameMap()
{
// Arrange
var generated1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 2);
var original1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 1, colNumber: 10);
var childMapping = UnitTestUtils.GetSimpleEntry(generated1, original1, "sourceTwo.js");
var childMap = new SourceMap
{
File = "sourceOne.js",
Sources = new List <string> {
"sourceTwo.js"
},
ParsedMappings = new List <MappingEntry> {
childMapping
}
};
var generated2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 3, colNumber: 4);
var original2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 5);
var parentMapping = UnitTestUtils.GetSimpleEntry(generated2, original2, "sourceOne.js");
var parentMap = new SourceMap
{
File = "generated.js",
Sources = new List <string> {
"sourceOne.js"
},
ParsedMappings = new List <MappingEntry> {
parentMapping
}
};
// Act
var combinedMap = parentMap.ApplySourceMap(childMap);
// Assert
Assert.IsNotNull(combinedMap);
var firstMapping = combinedMap.ParsedMappings[0];
Assert.IsTrue(firstMapping.IsValueEqual(parentMapping));
}
public void ApplyMap_NullSubmap_ThrowsException()
{
// Arrange
var generated2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 3, colNumber: 5);
var original2 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 5);
var mapping = UnitTestUtils.GetSimpleEntry(generated2, original2, "sourceOne.js");
var map = new SourceMap
{
File = "generated.js",
Sources = new List <string> {
"sourceOne.js"
},
ParsedMappings = new List <MappingEntry> {
mapping
}
};
// Act
var combinedMap = map.ApplySourceMap(null);
// Assert (decorated expected exception)
}
public void GetRootMappingEntryForGeneratedSourcePosition_NoChildren_ReturnsSameEntry()
{
// Arrange
var generated1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 2, colNumber: 5);
var original1 = UnitTestUtils.GenerateSourcePosition(lineNumber: 1, colNumber: 5);
var mappingEntry = UnitTestUtils.GetSimpleEntry(generated1, original1, "generated.js");
var sourceMap = new SourceMap
{
Sources = new List <string> {
"generated.js"
},
ParsedMappings = new List <MappingEntry> {
mappingEntry
}
};
// Act
var rootEntry = sourceMap.GetMappingEntryForGeneratedSourcePosition(generated1);
// Assert
Assert.AreEqual(rootEntry, mappingEntry);
}