72 lines
1.8 KiB
Ruby
72 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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require "language/node"
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require "utils/shebang"
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RSpec.describe Language::Node::Shebang do
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let(:file) { Tempfile.new("node-shebang") }
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let(:f) do
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f = {}
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f[:node18] = formula "node@18" do
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url "https://brew.sh/node-18.0.0.tgz"
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end
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f[:versioned_node_dep] = formula "foo" do
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url "https://brew.sh/foo-1.0.tgz"
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depends_on "node@18"
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end
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f[:no_deps] = formula "foo" do
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url "https://brew.sh/foo-1.0.tgz"
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end
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f[:multiple_deps] = formula "foo" do
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url "https://brew.sh/foo-1.0.tgz"
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depends_on "node"
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depends_on "node@18"
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end
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f
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end
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before do
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file.write <<~EOS
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#!/usr/bin/env node
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a
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b
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c
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EOS
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file.flush
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end
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after { file.unlink }
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describe "#detected_node_shebang" do
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it "can be used to replace Node shebangs" do
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allow(Formulary).to receive(:factory)
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allow(Formulary).to receive(:factory).with(f[:node18].name).and_return(f[:node18])
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Utils::Shebang.rewrite_shebang described_class.detected_node_shebang(f[:versioned_node_dep]), file.path
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expect(File.read(file)).to eq <<~EOS
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#!#{HOMEBREW_PREFIX/"opt/node@18/bin/node"}
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a
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b
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c
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EOS
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end
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it "errors if formula doesn't depend on node" do
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expect { Utils::Shebang.rewrite_shebang described_class.detected_node_shebang(f[:no_deps]), file.path }
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.to raise_error(ShebangDetectionError, "Cannot detect Node shebang: formula does not depend on Node.")
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end
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it "errors if formula depends on more than one node" do
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expect { Utils::Shebang.rewrite_shebang described_class.detected_node_shebang(f[:multiple_deps]), file.path }
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.to raise_error(ShebangDetectionError, "Cannot detect Node shebang: formula has multiple Node dependencies.")
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end
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end
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end
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