brew/Library/Homebrew/test/os/linux/dependency_collector_spec.rb

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2018-02-20 21:33:38 +00:00
require "dependency_collector"
describe DependencyCollector do
alias_matcher :be_a_build_requirement, :be_build
after(:each) do
described_class.clear_cache
end
describe "#add" do
resource = Resource.new
context "when xz, zip, and bzip2 are not available" do
it "creates a resource dependency from a '.xz' URL" do
resource.url("http://example.com/foo.xz")
allow_any_instance_of(Object).to receive(:which).with("xz")
expect(subject.add(resource)).to eq(Dependency.new("xz", [:build]))
end
it "creates a resource dependency from a '.zip' URL" do
resource.url("http://example.com/foo.zip")
allow_any_instance_of(Object).to receive(:which).with("zip")
expect(subject.add(resource)).to eq(Dependency.new("zip", [:build]))
end
it "creates a resource dependency from a '.bz2' URL" do
resource.url("http://example.com/foo.tar.bz2")
allow_any_instance_of(Object).to receive(:which).with("bzip2")
expect(subject.add(resource)).to eq(Dependency.new("bzip2", [:build]))
end
end
context "when xz, zip, and bzip2 are available" do
it "does not create a resource dependency from a '.xz' URL" do
resource.url("http://example.com/foo.xz")
allow_any_instance_of(Object).to receive(:which).with("xz").and_return(Pathname.new("foo"))
expect(subject.add(resource)).to be nil
end
it "does not create a resource dependency from a '.zip' URL" do
resource.url("http://example.com/foo.zip")
allow_any_instance_of(Object).to receive(:which).with("zip").and_return(Pathname.new("foo"))
expect(subject.add(resource)).to be nil
end
it "does not create a resource dependency from a '.bz2' URL" do
resource.url("http://example.com/foo.tar.bz2")
allow_any_instance_of(Object).to receive(:which).with("bzip2").and_return(Pathname.new("foo"))
expect(subject.add(resource)).to be nil
end
end
end
end