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require_relative '../../spec_helper'
describe "File.dirname" do
it "returns all the components of filename except the last one" do
File.dirname('/home/jason').should == '/home'
File.dirname('/home/jason/poot.txt').should == '/home/jason'
File.dirname('poot.txt').should == '.'
File.dirname('/holy///schnikies//w00t.bin').should == '/holy///schnikies'
File.dirname('').should == '.'
File.dirname('/').should == '/'
File.dirname('/foo/foo').should == '/foo'
end
ruby_version_is '3.1' do
context "when level is passed" do
it "returns all the components of filename except the last parts by the level" do
File.dirname('/home/jason', 2).should == '/'
File.dirname('/home/jason/poot.txt', 2).should == '/home'
end
it "returns the same String if the level is 0" do
File.dirname('poot.txt', 0).should == 'poot.txt'
File.dirname('/', 0).should == '/'
end
it "raises ArgumentError if the level is negative" do
-> {
File.dirname('/home/jason', -1)
}.should raise_error(ArgumentError, "negative level: -1")
end
it "returns '/' when level exceeds the number of segments in the path" do
File.dirname("/home/jason", 100).should == '/'
end
it "calls #to_int if passed not numeric value" do
object = Object.new
def object.to_int; 2; end
File.dirname("/a/b/c/d", object).should == '/a/b'
end
end
end
it "returns a String" do
File.dirname("foo").should be_kind_of(String)
end
it "does not modify its argument" do
x = "/usr/bin"
File.dirname(x)
x.should == "/usr/bin"
end
it "ignores a trailing /" do
File.dirname("/foo/bar/").should == "/foo"
end
it "returns the return all the components of filename except the last one (unix format)" do
File.dirname("foo").should =="."
File.dirname("/foo").should =="/"
File.dirname("/foo/bar").should =="/foo"
File.dirname("/foo/bar.txt").should =="/foo"
File.dirname("/foo/bar/baz").should =="/foo/bar"
end
it "returns all the components of filename except the last one (edge cases on all platforms)" do
File.dirname("").should == "."
File.dirname(".").should == "."
File.dirname("./").should == "."
File.dirname("./b/./").should == "./b"
File.dirname("..").should == "."
File.dirname("../").should == "."
File.dirname("/").should == "/"
File.dirname("/.").should == "/"
File.dirname("/foo/").should == "/"
File.dirname("/foo/.").should == "/foo"
File.dirname("/foo/./").should == "/foo"
File.dirname("/foo/../.").should == "/foo/.."
File.dirname("foo/../").should == "foo"
end
platform_is_not :windows do
it "returns all the components of filename except the last one (edge cases on non-windows)" do
File.dirname('/////').should == '/'
File.dirname("//foo//").should == "/"
File.dirname('foo\bar').should == '.'
File.dirname('/foo\bar').should == '/'
File.dirname('foo/bar\baz').should == 'foo'
end
end
platform_is :windows do
it "returns all the components of filename except the last one (edge cases on windows)" do
File.dirname("//foo").should == "//foo"
File.dirname("//foo//").should == "//foo"
File.dirname('/////').should == '//'
end
end
it "accepts an object that has a #to_path method" do
File.dirname(mock_to_path("/")).should == "/"
end
it "raises a TypeError if not passed a String type" do
-> { File.dirname(nil) }.should raise_error(TypeError)
-> { File.dirname(0) }.should raise_error(TypeError)
-> { File.dirname(true) }.should raise_error(TypeError)
-> { File.dirname(false) }.should raise_error(TypeError)
end
# Windows specific tests
platform_is :windows do
it "returns the return all the components of filename except the last one (Windows format)" do
File.dirname("C:\\foo\\bar\\baz.txt").should =="C:\\foo\\bar"
File.dirname("C:\\foo\\bar").should =="C:\\foo"
File.dirname("C:\\foo\\bar\\").should == "C:\\foo"
File.dirname("C:\\foo").should == "C:\\"
File.dirname("C:\\").should =="C:\\"
end
it "returns the return all the components of filename except the last one (windows unc)" do
File.dirname("\\\\foo\\bar\\baz.txt").should == "\\\\foo\\bar"
File.dirname("\\\\foo\\bar\\baz").should == "\\\\foo\\bar"
File.dirname("\\\\foo").should =="\\\\foo"
File.dirname("\\\\foo\\bar").should =="\\\\foo\\bar"
File.dirname("\\\\\\foo\\bar").should =="\\\\foo\\bar"
File.dirname("\\\\\\foo").should =="\\\\foo"
end
it "returns the return all the components of filename except the last one (forward_slash)" do
File.dirname("C:/").should == "C:/"
File.dirname("C:/foo").should == "C:/"
File.dirname("C:/foo/bar").should == "C:/foo"
File.dirname("C:/foo/bar/").should == "C:/foo"
File.dirname("C:/foo/bar//").should == "C:/foo"
end
end
end
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