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Bug #14375 » chmod_spec.rb

MSP-Greg (Greg L), 01/19/2018 09:31 PM

 
require File.expand_path('../../../spec_helper', __FILE__)

# See umask_spec also
FILE_VALS =
if PlatformGuard.new(:netbsd).match?
# -256, -2 and -1 raise Errno::EFTYPE on NetBSD
[-2**30, -2**16, -0.5, 0, 1, 2, 5.555575, 16, 32, 64, 2**8, 2**16, 2**30]
elsif PlatformGuard.new(:freebsd, :openbsd, :darwin).match?
# -256, -2 and -1 raise Errno::EINVAL on OpenBSD
[ -0.5, 0, 1, 2, 5.555575, 16, 32, 64, 2**8]
elsif PlatformGuard.new(:mingw).match?
[ -2**8, -2, -1,-0.5, 0, 1, 2, 5.555575, 16, 32, 64, 2**8]
else
[-2**30, -2**16, -2**8, -2, -1,-0.5, 0, 1, 2, 5.555575, 16, 32, 64, 2**8, 2**16, 2**30]
end

describe "File#chmod" do
before :each do
@filename = tmp('i_exist.exe')
@file = File.open(@filename, 'w')
end

after :each do
@file.close
rm_r @filename
end

it "returns 0 if successful" do
@file.chmod(0755).should == 0
end

it "always succeeds with any numeric values" do
FILE_VALS.each { |v|
lambda { @file.chmod(v) }.should_not raise_error
}
end

it "invokes to_int on non-integer argument" do
mode = File.stat(@filename).mode
(obj = mock('mode')).should_receive(:to_int).and_return(mode)
@file.chmod(obj)
File.stat(@filename).mode.should == mode
end

platform_is :windows do
it "with '0444' makes file readable and executable but not writable" do
@file.chmod(0444)
File.readable?(@filename).should == true
File.writable?(@filename).should == false
File.executable?(@filename).should == true
end

it "with '0644' makes file readable and writable and also executable" do
@file.chmod(0644)
File.readable?(@filename).should == true
File.writable?(@filename).should == true
File.executable?(@filename).should == true
end
end

platform_is_not :windows do
as_user do
it "with '0222' makes file writable but not readable or executable" do
@file.chmod(0222)
File.readable?(@filename).should == false
File.writable?(@filename).should == true
File.executable?(@filename).should == false
end

it "with '0444' makes file readable but not writable or executable" do
@file.chmod(0444)
File.readable?(@filename).should == true
File.writable?(@filename).should == false
File.executable?(@filename).should == false
end

it "with '0666' makes file readable and writable but not executable" do
@file.chmod(0666)
File.readable?(@filename).should == true
File.writable?(@filename).should == true
File.executable?(@filename).should == false
end

it "with '0111' makes file executable but not readable or writable" do
@file.chmod(0111)
File.readable?(@filename).should == false
File.writable?(@filename).should == false
File.executable?(@filename).should == true
end

it "modifies the permission bits of the files specified" do
@file.chmod(0755)
File.stat(@filename).mode.should == 33261
end
end
end
end

describe "File.chmod" do
before :each do
@file = tmp('i_exist.exe')
touch @file
@count = File.chmod(0755, @file)
end

after :each do
rm_r @file
end

it "returns the number of files modified" do
@count.should == 1
end

it "always succeeds with any numeric values" do
FILE_VALS.each { |v|
lambda { File.chmod(v, @file) }.should_not raise_error
}
end

platform_is :darwin do
it "succeeds with valid values" do
vals = [-2**8, -2, -1, -0.5, 0, 1, 2, 5.555575, 16, 32, 64, 2**8]
vals.each { |v|
lambda { File.chmod(v, @file) }.should_not raise_error
}
end

it "fails with invalid values" do
vals = [-2**30, -2**16, 2**16, 2**30]
vals.each { |v|
lambda { File.chmod(v, @file) }.should raise_error(RangeError)
}
end
end

platform_is :freebsd, :openbsd do
it "succeeds with valid values" do
vals = [-0.5, 0, 1, 2, 5.555575, 16, 32, 64, 2**8]
vals.each { |v|
lambda { File.chmod(v, @file) }.should_not raise_error
}
end
end

# -256, -2 and -1 raise Errno::EFTYPE on FreeBSD
platform_is :freebsd do
it "fails with invalid values" do
vals = [-2**30, -2**16, 2**16, 2**30]
vals.each { |v|
lambda { File.chmod(v, @file) }.should raise_error(RangeError)
}
vals = [-2**8, -2, -1, 65535]
vals.each { |v|
lambda { File.chmod(v, @file) }.should raise_error(Errno::EFTYPE)
}
end
end

platform_is :openbsd do
it "fails with invalid values" do
vals = [-2**30, -2**16, -2**8, -2, -1, 2**16, 2**30]
vals.each { |v|
lambda { File.chmod(v, @file) }.should raise_error(Errno::EINVAL)
}
end
end

it "accepts an object that has a #to_path method" do
File.chmod(0, mock_to_path(@file))
end

it "throws a TypeError if the given path is not coercable into a string" do
lambda { File.chmod(0, []) }.should raise_error(TypeError)
end

it "raises an error for a non existent path" do
lambda {
File.chmod(0644, "#{@file}.not.existing")
}.should raise_error(Errno::ENOENT)
end

it "invokes to_int on non-integer argument" do
mode = File.stat(@file).mode
(obj = mock('mode')).should_receive(:to_int).and_return(mode)
File.chmod(obj, @file)
File.stat(@file).mode.should == mode
end

it "invokes to_str on non-string file names" do
mode = File.stat(@file).mode
(obj = mock('path')).should_receive(:to_str).and_return(@file)
File.chmod(mode, obj)
File.stat(@file).mode.should == mode
end

platform_is :windows do
it "with '0444' makes file readable and executable but not writable" do
File.chmod(0444, @file)
File.readable?(@file).should == true
File.writable?(@file).should == false
File.executable?(@file).should == true
end

it "with '0644' makes file readable and writable and also executable" do
File.chmod(0644, @file)
File.readable?(@file).should == true
File.writable?(@file).should == true
File.executable?(@file).should == true
end
end

platform_is_not :windows do
as_user do
it "with '0222' makes file writable but not readable or executable" do
File.chmod(0222, @file)
File.readable?(@file).should == false
File.writable?(@file).should == true
File.executable?(@file).should == false
end

it "with '0444' makes file readable but not writable or executable" do
File.chmod(0444, @file)
File.readable?(@file).should == true
File.writable?(@file).should == false
File.executable?(@file).should == false
end
end

it "with '0666' makes file readable and writable but not executable" do
File.chmod(0666, @file)
File.readable?(@file).should == true
File.writable?(@file).should == true
File.executable?(@file).should == false
end

as_user do
it "with '0111' makes file executable but not readable or writable" do
File.chmod(0111, @file)
File.readable?(@file).should == false
File.writable?(@file).should == false
File.executable?(@file).should == true
end
end

it "modifies the permission bits of the files specified" do
File.stat(@file).mode.should == 33261
end
end
end
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