public void ImportingNonExistingFile()
{
// Arrange
var mock = new Mock<IFileManager>();
string mainFileCss = "@import url(\"nonExistingFile.css\"); h1 { color: red; }";
mock.Setup(manager => manager.ReadFile(@"c:\main.css")).Returns(mainFileCss);
mock.Setup(manager => manager.ReadFile(@"c:\nonExistingFile.css"))
.Throws(new FileNotFoundException());
var merger = new CssMerger(mock.Object);
// Act
FileNotFoundException exception = null;
try
{
merger.MergeCss(@"c:\main.css", @"c:\out.css");
}
catch (FileNotFoundException e)
{
exception = e;
}
// Assert
Assert.IsNotNull(exception, "Exception not raised when trying to read unexisting file");
//Assert.AreEqual("sub.css", exception.FileName);
}
public void ImportWithUrlAndSingleQuotes()
{
// Arrange
var mock = new Mock<IFileManager>();
string mainFileCss = "@import url('sub.css'); h1 { color: red; }";
string subFileCss = "div.sub { color: cyan }";
string expectedCss = subFileCss + " h1 { color: red; }";
mock.Setup(manager => manager.ReadFile(@"c:\main.css")).Returns(mainFileCss);
mock.Setup(manager => manager.ReadFile(@"c:\sub.css")).Returns(subFileCss);
string outputCss = null;
mock.Setup(manager => manager.WriteFile(@"c:\out.css", It.IsAny<string>()))
.Callback((string filename, string contents) => outputCss = contents);
var merger = new CssMerger(mock.Object);
// Act
merger.MergeCss(@"c:\main.css", @"c:\out.css");
// Assert
Assert.AreEqual(expectedCss, outputCss);
}
public void MultipleImports()
{
// Arrange
var mock = new Mock<IFileManager>();
string mainFileCss = "@import url(\"sub.css\");\n@import url(abc.css);";
string subFileCss = "div.sub { color: cyan }";
string abcFileCss = "a img { border 0; }";
string expectedCss = subFileCss + "\n" + abcFileCss;
mock.Setup(manager => manager.ReadFile(@"c:\main.css")).Returns(mainFileCss);
mock.Setup(manager => manager.ReadFile(@"c:\sub.css")).Returns(subFileCss);
mock.Setup(manager => manager.ReadFile(@"c:\abc.css")).Returns(abcFileCss);
string outputCss = null;
mock.Setup(manager => manager.WriteFile(@"c:\out.css", It.IsAny<string>()))
.Callback((string filename, string contents) => outputCss = contents);
var merger = new CssMerger(mock.Object);
// Act
merger.MergeCss(@"c:\main.css", @"c:\out.css");
// Assert
Assert.AreEqual(expectedCss, outputCss);
}
public void ThatImportAndAssetUrlsAreNotMixed()
{
// Arrange
var mock = new Mock<IFileManager>();
const string mainCss = "@import url(sub.css); body { background: url(images/background.gif) }";
const string subCss = "h1 { font-weight: bold; }";
const string expectedCss = "h1 { font-weight: bold; } body { background: url(css/images/background.gif) }";
mock.Setup(manager => manager.ReadFile(@"c:\css\main.css")).Returns(mainCss);
mock.Setup(manager => manager.ReadFile(@"c:\css\sub.css")).Returns(subCss);
string actualCss = null;
mock.Setup(manager => manager.WriteFile(@"c:\out.css", It.IsAny<string>()))
.Callback((string filename, string contents) => actualCss = contents);
var merger = new CssMerger(mock.Object);
// Act
merger.MergeCss(@"c:\css\main.css", @"c:\out.css");
// Assert
Assert.AreEqual(expectedCss, actualCss);
}
public void SingleImport()
{
// Arrange
var mock = new Mock<IFileManager>();
string mainFileCss =
"/* A comment */\n"
+ "body { background: red; }\n"
+ "@import url(sub.css);\n";
string subFileCss =
"div.sub { color: cyan }\n";
string expectedCss =
"/* A comment */\n"
+ "body { background: red; }\n"
+ "div.sub { color: cyan }\n\n";
mock.Setup(manager => manager.ReadFile(@"c:\main.css")).Returns(mainFileCss);
mock.Setup(manager => manager.ReadFile(@"c:\sub.css")).Returns(subFileCss);
string outputCss = null;
mock.Setup(manager => manager.WriteFile(@"c:\out.css", It.IsAny<string>()))
.Callback((string filename, string contents) => outputCss = contents);
var merger = new CssMerger(mock.Object);
// Act
merger.MergeCss(@"c:\main.css", @"c:\out.css");
// Assert
Assert.AreEqual(expectedCss, outputCss);
}
public void SimplePassthrough()
{
// Arrange
var mock = new Mock<IFileManager>();
string inputCss = "body { background: red; }\n@media print { h1 { font-weight: bold; } }";
mock.Setup(manager => manager.ReadFile(@"c:\in.css")).Returns(inputCss);
string outputCss = null;
mock.Setup(manager => manager.WriteFile(@"c:\out.css", It.IsAny<string>()))
.Callback((string filename, string contents) => outputCss = contents);
var merger = new CssMerger(mock.Object);
// Act
merger.MergeCss(@"c:\in.css", @"c:\out.css");
// Assert
Assert.AreEqual(inputCss, outputCss);
}
public void ResolvingPathsToImages()
{
// Arrange
var mock = new Mock<IFileManager>();
const string inputCss = "body { background: url(images/background.gif) }";
const string expectedCss = "body { background: url(css/images/background.gif) }";
mock.Setup(manager => manager.ReadFile(@"c:\css\main.css")).Returns(inputCss);
string actualCss = null;
mock.Setup(manager => manager.WriteFile(@"c:\out.css", It.IsAny<string>()))
.Callback((string filename, string contents) => actualCss = contents);
var merger = new CssMerger(mock.Object);
// Act
merger.MergeCss(@"c:\css\main.css", @"c:\out.css");
// Assert
Assert.AreEqual(expectedCss, actualCss);
}
public void NestedImports()
{
// Arrange
var mock = new Mock<IFileManager>();
string mainFileCss = "@import url(\"sub.css\");\n@import url(\"abc.css\");";
string subFileCss = "@import url(\"lib/typography.css\"); div.sub { color: cyan }";
string typoFileCss = "body { font-family: Arial; }";
string abcFileCss = "a img { border 0; }";
string expectedCss = typoFileCss + " div.sub { color: cyan }\n" + abcFileCss;
mock.Setup(manager => manager.ReadFile(@"c:\css\main.css")).Returns(mainFileCss);
mock.Setup(manager => manager.ReadFile(@"c:\css\sub.css")).Returns(subFileCss);
mock.Setup(manager => manager.ReadFile(@"c:\css\abc.css")).Returns(abcFileCss);
mock.Setup(manager => manager.ReadFile(@"c:\css\lib\typography.css")).Returns(typoFileCss);
string outputCss = null;
mock.Setup(manager => manager.WriteFile(@"c:\merged\out.css", It.IsAny<string>()))
.Callback((string filename, string contents) => outputCss = contents);
var merger = new CssMerger(mock.Object);
// Act
merger.MergeCss(@"c:\css\main.css", @"c:\merged\out.css");
// Assert
Assert.AreEqual(expectedCss, outputCss);
}