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401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
60 lines
1.4 KiB
Ruby
60 lines
1.4 KiB
Ruby
require_relative '../../spec_helper'
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describe "Warning.warn" do
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ruby_version_is "2.4" do
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it "complains" do
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-> {
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Warning.warn("Chunky bacon!")
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}.should complain("Chunky bacon!")
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end
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it "extends itself" do
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Warning.singleton_class.ancestors.should include(Warning)
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end
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it "has Warning as the method owner" do
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ruby_exe("p Warning.method(:warn).owner").should == "Warning\n"
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end
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it "can be overridden" do
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code = <<-RUBY
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$stdout.sync = true
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$stderr.sync = true
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def Warning.warn(msg)
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if msg.start_with?("A")
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puts msg.upcase
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else
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super
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end
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end
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Warning.warn("A warning!")
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Warning.warn("warning from stderr\n")
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RUBY
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ruby_exe(code, args: "2>&1").should == %Q[A WARNING!\nwarning from stderr\n]
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end
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it "is called by parser warnings" do
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Warning.should_receive(:warn)
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verbose = $VERBOSE
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$VERBOSE = false
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begin
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eval "{ key: :value, key: :value2 }"
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ensure
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$VERBOSE = verbose
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end
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end
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end
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ruby_version_is "2.5" do
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it "is called by Kernel.warn" do
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Warning.should_receive(:warn)
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verbose = $VERBOSE
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$VERBOSE = false
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begin
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Kernel.warn("Chunky bacon!")
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ensure
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$VERBOSE = verbose
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end
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end
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end
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end
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