зеркало из https://github.com/github/ruby.git
77 строки
1.9 KiB
Ruby
77 строки
1.9 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require 'tempfile'
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require 'irb'
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require 'rubygems' if defined?(Gem)
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module TestIRB
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class TestContext < Test::Unit::TestCase
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class TestInputMethod < ::IRB::InputMethod
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attr_reader :list, :line_no
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def initialize(list = [])
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super("test")
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@line_no = 0
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@list = list
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end
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def gets
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@list[@line_no]&.tap {@line_no += 1}
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end
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def eof?
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@line_no >= @list.size
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end
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def encoding
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Encoding.default_external
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end
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end
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def setup
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IRB.init_config(nil)
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IRB.conf[:USE_READLINE] = false
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IRB.conf[:VERBOSE] = false
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workspace = IRB::WorkSpace.new(Object.new)
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@context = IRB::Context.new(nil, workspace, TestInputMethod.new)
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end
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def test_last_value
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assert_nil(@context.last_value)
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assert_nil(@context.evaluate('_', 1))
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obj = Object.new
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@context.set_last_value(obj)
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assert_same(obj, @context.last_value)
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assert_same(obj, @context.evaluate('_', 1))
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end
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def test_evaluate_with_exception
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assert_nil(@context.evaluate("$!", 1))
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e = assert_raise_with_message(RuntimeError, 'foo') {
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@context.evaluate("raise 'foo'", 1)
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}
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assert_equal('foo', e.message)
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assert_same(e, @context.evaluate('$!', 1, exception: e))
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end
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def test_eval_input
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input = TestInputMethod.new([
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"raise 'Foo'\n",
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"_\n",
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"0\n",
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"_\n",
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])
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irb = IRB::Irb.new(IRB::WorkSpace.new(Object.new), input)
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out, err = capture_io do
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irb.eval_input
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end
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assert_empty err
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assert_pattern_list([:*, /RuntimeError \(.*Foo.*\).*\n/,
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:*, /#<RuntimeError: Foo>\n/,
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:*, /0$/,
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:*, /0$/,
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/\s*/], out)
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end
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end
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end
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