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require File.expand_path('../../../../spec_helper', __FILE__)
require File.expand_path('../shared/constants', __FILE__)
require File.expand_path('../../../../core/file/shared/read', __FILE__)
describe "Digest::SHA512.file" do
describe "when passed a path to a file that exists" do
before :each do
@file = tmp("md5_temp")
touch(@file, 'wb') {|f| f.write SHA512Constants::Contents }
end
after :each do
rm_r @file
end
it "returns a Digest::SHA512 object" do
Digest::SHA512.file(@file).should be_kind_of(Digest::SHA512)
end
it "returns a Digest::SHA512 object with the correct digest" do
Digest::SHA512.file(@file).digest.should == SHA512Constants::Digest
end
it "calls #to_str on an object and returns the Digest::SHA512 with the result" do
obj = mock("to_str")
obj.should_receive(:to_str).and_return(@file)
result = Digest::SHA512.file(obj)
result.should be_kind_of(Digest::SHA512)
result.digest.should == SHA512Constants::Digest
end
end
it_behaves_like :file_read_directory, :file, Digest::SHA512
it "raises a Errno::ENOENT when passed a path that does not exist" do
lambda { Digest::SHA512.file("") }.should raise_error(Errno::ENOENT)
end
it "raises a TypeError when passed nil" do
lambda { Digest::SHA512.file(nil) }.should raise_error(TypeError)
end
end
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