29 lines
		
	
	
		
			756 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			756 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| require "utils/popen"
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| 
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| describe Utils do
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|   describe "::popen_read" do
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|     it "reads the standard output of a given command" do
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|       expect(subject.popen_read("sh", "-c", "echo success").chomp).to eq("success")
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|       expect($?).to be_a_success
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|     end
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| 
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|     it "can be given a block to manually read from the pipe" do
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|       expect(
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|         subject.popen_read("sh", "-c", "echo success") do |pipe|
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|           pipe.read.chomp
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|         end,
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|       ).to eq("success")
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|       expect($?).to be_a_success
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|     end
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|   end
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| 
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|   describe "::popen_write" do
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|     it "with supports writing to a command's standard input" do
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|       subject.popen_write("grep", "-q", "success") do |pipe|
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|         pipe.write("success\n")
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|       end
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|       expect($?).to be_a_success
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|     end
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|   end
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| end
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