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