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aabf2ce181
Replace use of `STDIN`, `STDOUT` and `STDERR` constants by their
`$stdin`, `$stdout` and `$stderr` global variable equivalents.
This enables easier testing via standard means, such as `assert_output`
for minitest or `expect { print 'foo' }.to output.to_stdout` for RSpec
test suites.
a0a6fc1b76
19 lines
496 B
Ruby
19 lines
496 B
Ruby
# frozen_string_literal: true
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require_relative "helper"
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require "rubygems/user_interaction"
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class TestGemConsoleUI < Gem::TestCase
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def test_output_can_be_captured_by_test_unit
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output = capture_output do
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ui = Gem::ConsoleUI.new
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ui.alert_error "test error"
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ui.alert_warning "test warning"
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ui.alert "test alert"
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end
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assert_equal "INFO: test alert\n", output.first
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assert_equal "ERROR: test error\n" + "WARNING: test warning\n", output.last
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end
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end
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