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describe :file_file, :shared => true do
before :each do
platform_is :windows do
@null = "NUL"
@dir = "C:\\"
end
platform_is_not :windows do
@null = "/dev/null"
@dir = "/bin"
end
@file = tmp("test.txt")
touch @file
end
after :each do
rm_r @file
end
it "returns true if the named file exists and is a regular file." do
@object.send(@method, @file).should == true
@object.send(@method, @dir).should == false
end
ruby_version_is "1.9" do
it "accepts an object that has a #to_path method" do
@object.send(@method, mock_to_path(@file)).should == true
end
end
platform_is_not :windows do
it "return true if the null device exists and is a regular file." do
@object.send(@method, @null).should == false # May fail on MS Windows
end
end
it "raises an ArgumentError if not passed one argument" do
lambda { @object.send(@method) }.should raise_error(ArgumentError)
lambda { @object.send(@method, @null, @file) }.should raise_error(ArgumentError)
end
it "raises a TypeError if not passed a String type" do
lambda { @object.send(@method, nil) }.should raise_error(TypeError)
lambda { @object.send(@method, 1) }.should raise_error(TypeError)
end
end
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