72 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| require "language/node"
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| require "utils/shebang"
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| 
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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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| 
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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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| 
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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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| 
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|       depends_on "node@18"
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|     end
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| 
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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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| 
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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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| 
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|       depends_on "node"
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|       depends_on "node@18"
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|     end
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| 
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|     f
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|   end
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| 
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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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| 
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|   after { file.unlink }
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| 
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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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| 
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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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| 
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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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| 
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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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