29 lines
789 B
Ruby
29 lines
789 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($CHILD_STATUS).to be_a_success
|
|
end
|
|
|
|
it "can be given a block to manually read from the pipe" do
|
|
expect(
|
|
subject.popen_read("sh", "-c", "echo success") do |pipe|
|
|
pipe.read.chomp
|
|
end,
|
|
).to eq("success")
|
|
expect($CHILD_STATUS).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($CHILD_STATUS).to be_a_success
|
|
end
|
|
end
|
|
end
|