public void SourceMapCache_HandlesDuplicateNames()
{
var cache = new SourceMapCache(new SourceMap()
{
version = 3,
file = "foo.js",
sources = new string[] { "source.js" },
names = new string[] { "name1", "name1", "name3" },
mappings = ";EAACA;;IAEEA;;MAEEE",
sourceRoot = "http://example.com"
});
{
var expected = new SourceMapping(1, 1, 2, 2, "source.js", "name1");
var actual = cache.SourceMappingFor(2, 2);
Assert.AreEqual(expected, actual);
}
{
var expected = new SourceMapping(3, 3, 4, 4, "source.js", "name1");
var actual = cache.SourceMappingFor(4, 4);
Assert.AreEqual(expected, actual);
}
{
var expected = new SourceMapping(5, 5, 6, 6, "source.js", "name3");
var actual = cache.SourceMappingFor(6, 6);
Assert.AreEqual(expected, actual);
}
}
static void Main(string[] args)
{
{
var json = "{ \"version\": 3, \"file\": \"foo.js\", \"sources\": [\"såurce.js\"], \"names\": [\"näme1\", \"name1\", \"name3\"], \"mappings\": \";EAACA;;IAEEA;;MAEEE\", \"sourceRoot\": \"http://example.com\" }";
var cache = new SourceMapCache(json);
var mapping = cache.SourceMappingFor(2, 2);
Console.WriteLine("OK: {0}", mapping);
}
{
var json = "{ \"version\": 2, \"file\": \"foo.js\", \"sources\": [\"såurce.js\"], \"names\": [\"näme1\", \"name1\", \"name3\"], \"mappings\": \";EAACA;;IAEEA;;MAEEE\", \"sourceRoot\": \"http://example.com\" }";
try
{
var cache = new SourceMapCache(json);
Console.WriteLine("ERR: Should throw on source maps < v3");
return;
}
catch (SourceMapParsingException e)
{
Console.WriteLine("OK: Does not parse old source maps: {0}", e.Message);
}
}
{
var json = "{ \"version\": 3, \"file\": \"foo.js\", \"sources\": [\"såurce.js\"], \"names\": [\"näme1\", \"name1\", \"name3\"], \"mappings\": \";;;\", \"sourceRoot\": \"http://example.com\" }";
try
{
var cache = new SourceMapCache(json);
Console.WriteLine("ERR: Should throw on empty source maps");
return;
}
catch (SourceMapParsingException e)
{
Console.WriteLine("OK: Does not parse empty source maps: {0}", e.Message);
}
}
if (args.Length > 0)
{
var jsonPath = args[0];
Console.WriteLine($"Performance testing with source map: {jsonPath}");
var watch = new Stopwatch();
for (var i = 0; i < 10; i++)
{
Console.WriteLine($"Run {i}/10, {watch.ElapsedMilliseconds}ms elapsed");
watch.Start();
//var json = File.ReadAllText(jsonPath);
var jsonStream = new FileStream(jsonPath, FileMode.Open, FileAccess.Read);
var cache = new SourceMapCache(jsonStream);
var mapping = cache.SourceMappingFor(2, 2);
watch.Stop();
}
Console.WriteLine($"Average duration (read, parse, query): {watch.ElapsedMilliseconds / 10}ms");
}
Console.ReadLine();
}
public void SourceMapCache_AllowsOmittingSourceRoot()
{
var cache = new SourceMapCache(new SourceMap()
{
version = 3,
file = "foo.js",
sources = new string[] { "source.js" },
names = new string[] { "name1", "name1", "name3" },
mappings = ";EAACA;;IAEEA;;MAEEE"
});
// Should not throw
}
public void SourceMapCache_ParsesEmptySourceRoot()
{
var cache = new SourceMapCache(new SourceMap()
{
version = 3,
file = "foo.js",
sources = new string[] { "source.js" },
names = new string[] { "name1", "name1", "name3" },
mappings = ";EAACA;;IAEEA;;MAEEE",
sourceRoot = ""
});
}
public void SourceMapCache_ParsesSimpleSourceMap()
{
var cache = new SourceMapCache(new SourceMap()
{
version = 3,
file = "foo.js",
sourceRoot = "http://example.com/",
sources = new string[] { "/a" },
names = new string[] { },
mappings = "AACA"
});
var expected = new SourceMapping(2, 0, 1, 0, "/a", "");
var actual = cache.SourceMappingFor(1, 0);
Assert.AreEqual(expected, actual);
}
public void SourceMapCache_ThrowsWhenThereAreNoMappings()
{
try
{
var cache = new SourceMapCache(new SourceMap()
{
version = 3,
file = "foo.js",
sources = new string[] { "source.js" },
names = new string[] { "name1", "name1", "name3" },
mappings = ";;;"
});
Assert.Fail("Source maps with no mappings should be rejected");
}
catch (SourceMapParsingException e)
{
// OK
}
}
public void SourceMapCache_RejectsInvalidSourceMapsNormally()
{
try
{
var cache = new SourceMapCache(new SourceMap()
{
version = 3,
file = "",
sources = new string[] { },
names = new string[] { },
mappings = ";EAACA;;IAEEA;;MAEEE"
});
Assert.Fail("Invalid source maps should be rejected");
}
catch (SourceMapParsingException e)
{
// OK
}
}
public void SourceMapCache_RejectsOlderSourceMapRevisions()
{
try
{
var cache = new SourceMapCache(new SourceMap()
{
version = 2,
file = "",
sources = new string[] { "source.js" },
names = new string[] { "name1", "name1", "name3" },
mappings = ";EAACA;;IAEEA;;MAEEE",
sourceRoot = "http://example.com"
});
Assert.Fail("Source Map revision < 3 should be rejected");
}
catch (SourceMapParsingException e)
{
// OK
}
}