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36 lines
698 B
36 lines
698 B
require_relative "test_helper"
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require "lox"
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require "open3"
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require "mocktail"
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class TestLox < Lox::Test
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def test_error_on_more_than_one_arg
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lox_path = File.expand_path("../bin/lox", __dir__)
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o, s = Open3.capture2(lox_path, "foo", "bar")
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assert_equal 64, s.exitstatus
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assert_equal "Usage: #{lox_path} [script]\n", o
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end
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end
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class TestRunner < Lox::Test
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include Mocktail::DSL
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def teardown
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Mocktail.reset
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end
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def test_returns_tokens
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scanner = Mocktail.of(Lox::Scanner)
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runner = Lox::Runner.new(scanner:)
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stubs { scanner.scan("src") }.with { %w[ some tokens ] }
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tokens = runner.run("src")
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assert_equal %w[ some tokens ], tokens
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end
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end
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