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describe :file_size, :shared => true do
before :each do
@exists = tmp('i_exist')
touch(@exists) { |f| f.write 'rubinius' }
end
after :each do
rm_r @exists
end
it "returns the size of the file if it exists and is not empty" do
@object.send(@method, @exists).should == 8
end
it "accepts a String-like (to_str) parameter" do
obj = mock("file")
obj.should_receive(:to_str).and_return(@exists)
@object.send(@method, obj).should == 8
end
ruby_version_is "1.9" do
it "accepts an object that has a #to_path method" do
@object.send(@method, mock_to_path(@exists)).should == 8
end
end
end
describe :file_size_to_io, :shared => true do
before :each do
@exists = tmp('i_exist')
touch(@exists) { |f| f.write 'rubinius' }
@file = File.open(@exists, 'r')
end
after :each do
@file.close unless @file.closed?
rm_r @exists
end
it "calls #to_io to convert the argument to an IO" do
obj = mock("io like")
obj.should_receive(:to_io).and_return(@file)
@object.send(@method, obj).should == 8
end
end
describe :file_size_raise_when_missing, :shared => true do
before :each do
# TODO: missing_file
@missing = tmp("i_dont_exist")
rm_r @missing
end
after :each do
rm_r @missing
end
it "raises an error if file_name doesn't exist" do
lambda {@object.send(@method, @missing)}.should raise_error(Errno::ENOENT)
end
end
describe :file_size_nil_when_missing, :shared => true do
before :each do
# TODO: missing_file
@missing = tmp("i_dont_exist")
rm_r @missing
end
after :each do
rm_r @missing
end
it "returns nil if file_name doesn't exist or has 0 size" do
@object.send(@method, @missing).should == nil
end
end
describe :file_size_0_when_empty, :shared => true do
before :each do
@empty = tmp("i_am_empty")
touch @empty
end
after :each do
rm_r @empty
end
it "returns 0 if the file is empty" do
@object.send(@method, @empty).should == 0
end
end
describe :file_size_nil_when_empty, :shared => true do
before :each do
@empty = tmp("i_am_empt")
touch @empty
end
after :each do
rm_r @empty
end
it "returns nil if file_name is empty" do
@object.send(@method, @empty).should == nil
end
end
describe :file_size_with_file_argument, :shared => true do
before :each do
@exists = tmp('i_exist')
touch(@exists) { |f| f.write 'rubinius' }
end
after :each do
rm_r @exists
end
it "accepts a File argument" do
File.open(@exists) do |f|
@object.send(@method, f).should == 8
end
end
end
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