103 lines
2.4 KiB
Ruby
103 lines
2.4 KiB
Ruby
require 'test_helper'
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require 'zip/ioextras'
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class AbstractInputStreamTest < MiniTest::Test
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# AbstractInputStream subclass that provides a read method
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TEST_LINES = ["Hello world#{$INPUT_RECORD_SEPARATOR}",
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"this is the second line#{$INPUT_RECORD_SEPARATOR}",
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'this is the last line']
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TEST_STRING = TEST_LINES.join
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class TestAbstractInputStream
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include ::Zip::IOExtras::AbstractInputStream
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def initialize(string)
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super()
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@contents = string
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@readPointer = 0
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end
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def sysread(chars_to_read, _buf = nil)
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retVal = @contents[@readPointer, chars_to_read]
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@readPointer += chars_to_read
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retVal
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end
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def produce_input
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sysread(100)
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end
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def input_finished?
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@contents[@readPointer].nil?
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end
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end
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def setup
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@io = TestAbstractInputStream.new(TEST_STRING)
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end
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def test_gets
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assert_equal(TEST_LINES[0], @io.gets)
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assert_equal(1, @io.lineno)
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assert_equal(TEST_LINES[0].length, @io.pos)
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assert_equal(TEST_LINES[1], @io.gets)
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assert_equal(2, @io.lineno)
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assert_equal(TEST_LINES[2], @io.gets)
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assert_equal(3, @io.lineno)
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assert_nil(@io.gets)
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assert_equal(4, @io.lineno)
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end
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def test_gets_multi_char_seperator
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assert_equal('Hell', @io.gets('ll'))
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assert_equal("o world#{$INPUT_RECORD_SEPARATOR}this is the second l", @io.gets('d l'))
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end
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LONG_LINES = [
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'x' * 48 + "\r\n",
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'y' * 49 + "\r\n",
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'rest'
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]
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def test_gets_mulit_char_seperator_split
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io = TestAbstractInputStream.new(LONG_LINES.join)
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assert_equal(LONG_LINES[0], io.gets("\r\n"))
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assert_equal(LONG_LINES[1], io.gets("\r\n"))
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assert_equal(LONG_LINES[2], io.gets("\r\n"))
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end
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def test_gets_with_sep_and_index
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io = TestAbstractInputStream.new(LONG_LINES.join)
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assert_equal('x', io.gets("\r\n", 1))
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assert_equal('x' * 47 + "\r", io.gets("\r\n", 48))
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assert_equal("\n", io.gets(nil, 1))
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assert_equal('yy', io.gets(nil, 2))
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end
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def test_gets_with_index
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assert_equal(TEST_LINES[0], @io.gets(100))
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assert_equal('this', @io.gets(4))
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end
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def test_each_line
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lineNumber = 0
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@io.each_line do |line|
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assert_equal(TEST_LINES[lineNumber], line)
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lineNumber += 1
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end
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end
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def test_readlines
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assert_equal(TEST_LINES, @io.readlines)
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end
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def test_readline
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test_gets
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begin
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@io.readline
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raise 'EOFError expected'
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rescue EOFError
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end
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end
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end
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