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38 lines
854 B
38 lines
854 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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# This test sucks, but we'll live with it just not
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# exploding our runner for now.
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def test_prints
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scanner = Mocktail.of(Lox::Scanner)
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parser = Mocktail.of(Lox::Parser)
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runner = Lox::Runner.new(scanner, parser)
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stubs { scanner.scan("src") }.with { %w[ some tokens ] }
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stubs { parser.parse(%w[ some tokens ]) }.with { Lox::Expr::Literal.new("foo") }
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runner.run("src")
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end
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end
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