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require 'test_helper'
require 'zip/ioextras'
class AbstractInputStreamTest < MiniTest::Unit::TestCase
# AbstractInputStream subclass that provides a read method
TEST_LINES = ["Hello world#{$/}",
"this is the second line#{$/}",
"this is the last line"]
TEST_STRING = TEST_LINES.join
class TestAbstractInputStream
include ::Zip::IOExtras::AbstractInputStream
def initialize(aString)
super()
@contents = aString
@readPointer = 0
end
def sysread(charsToRead, buf = nil)
retVal=@contents[@readPointer, charsToRead]
@readPointer+=charsToRead
return retVal
end
def produce_input
sysread(100)
end
def input_finished?
@contents[@readPointer] == nil
end
end
def setup
@io = TestAbstractInputStream.new(TEST_STRING)
end
def test_gets
assert_equal(TEST_LINES[0], @io.gets)
assert_equal(1, @io.lineno)
assert_equal(TEST_LINES[0].length, @io.pos)
assert_equal(TEST_LINES[1], @io.gets)
assert_equal(2, @io.lineno)
assert_equal(TEST_LINES[2], @io.gets)
assert_equal(3, @io.lineno)
assert_equal(nil, @io.gets)
assert_equal(4, @io.lineno)
end
def test_getsMultiCharSeperator
assert_equal("Hell", @io.gets("ll"))
assert_equal("o world#{$/}this is the second l", @io.gets("d l"))
end
LONG_LINES = [
'x'*48 + "\r\n",
'y'*49 + "\r\n",
'rest',
]
def test_getsMulitCharSeperator_split
io = TestAbstractInputStream.new(LONG_LINES.join)
assert_equal(LONG_LINES[0], io.gets("\r\n"))
assert_equal(LONG_LINES[1], io.gets("\r\n"))
assert_equal(LONG_LINES[2], io.gets("\r\n"))
end
def test_getsWithSepAndIndex
io = TestAbstractInputStream.new(LONG_LINES.join)
assert_equal('x', io.gets("\r\n", 1))
assert_equal('x'*47 + "\r", io.gets("\r\n", 48))
assert_equal("\n", io.gets(nil, 1))
assert_equal('yy', io.gets(nil, 2))
end
def test_getsWithIndex
assert_equal(TEST_LINES[0], @io.gets(100))
assert_equal('this', @io.gets(4))
end
def test_each_line
lineNumber=0
@io.each_line {
|line|
assert_equal(TEST_LINES[lineNumber], line)
lineNumber+=1
}
end
def test_readlines
assert_equal(TEST_LINES, @io.readlines)
end
def test_readline
test_gets
begin
@io.readline
fail "EOFError expected"
rescue EOFError
end
end
end
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