public void Should_Throw_If_Context_Is_Null()
{
// Given, When
var result = Record.Exception(() => FileAliases.FileSize(null, "some file"));
// Then
AssertEx.IsArgumentNullException(result, "context");
}
public void Should_Throw_If_Path_Is_Null()
{
// Given
var context = Substitute.For <ICakeContext>();
// When
var result = Record.Exception(() => FileAliases.FileSize(context, null));
// Then
AssertEx.IsArgumentNullException(result, "filePath");
}
public void Should_Throw_If_Directory_Does_Not_Exist()
{
// Given
var context = Substitute.For <ICakeContext>();
var environment = FakeEnvironment.CreateUnixEnvironment();
var fileSystem = new FakeFileSystem(environment);
context.FileSystem.Returns(fileSystem);
context.Environment.Returns(environment);
// When / Then
Assert.Throws <FileNotFoundException>(() => FileAliases.FileSize(context, "non-existent-file.txt"));
}
public void Should_Return_Size_If_Path_Exist(string workingDirectory, string filePath)
{
// Given
var context = Substitute.For <ICakeContext>();
var environment = FakeEnvironment.CreateUnixEnvironment();
environment.WorkingDirectory = workingDirectory;
var fileSystem = new FakeFileSystem(environment);
fileSystem.CreateFile(filePath, new byte[] { 1, 2, 3, 4 });
context.FileSystem.Returns(fileSystem);
context.Environment.Returns(environment);
// When
var result = FileAliases.FileSize(context, filePath);
// Then
Assert.Equal(result, 4);
}