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input_stream_test.rb
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input_stream_test.rb
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require 'test_helper'
require 'forwardable'
class ZipInputStreamTest < MiniTest::Test
include AssertEntry
class IOLike
extend Forwardable
def initialize(path, mode)
@file = File.new(path, mode)
end
delegate ::Zip::File::IO_METHODS => :@file
end
def test_new
zis = ::Zip::InputStream.new(TestZipFile::TEST_ZIP2.zip_name)
assert_stream_contents(zis, TestZipFile::TEST_ZIP2)
assert_equal(true, zis.eof?)
zis.close
end
def test_open_with_block
::Zip::InputStream.open(TestZipFile::TEST_ZIP2.zip_name) do |zis|
assert_stream_contents(zis, TestZipFile::TEST_ZIP2)
assert_equal(true, zis.eof?)
end
end
def test_open_without_block
zis = ::Zip::InputStream.open(File.new(TestZipFile::TEST_ZIP2.zip_name, 'rb'))
assert_stream_contents(zis, TestZipFile::TEST_ZIP2)
end
def test_open_buffer_with_block
::Zip::InputStream.open(File.new(TestZipFile::TEST_ZIP2.zip_name, 'rb')) do |zis|
assert_stream_contents(zis, TestZipFile::TEST_ZIP2)
assert_equal(true, zis.eof?)
end
end
def test_open_string_io_without_block
string_io = ::StringIO.new(::File.read(TestZipFile::TEST_ZIP2.zip_name))
zis = ::Zip::InputStream.open(string_io)
assert_stream_contents(zis, TestZipFile::TEST_ZIP2)
end
def test_open_string_io_with_block
string_io = ::StringIO.new(::File.read(TestZipFile::TEST_ZIP2.zip_name))
::Zip::InputStream.open(string_io) do |zis|
assert_stream_contents(zis, TestZipFile::TEST_ZIP2)
assert_equal(true, zis.eof?)
end
end
def test_open_buffer_without_block
zis = ::Zip::InputStream.open(TestZipFile::TEST_ZIP2.zip_name)
assert_stream_contents(zis, TestZipFile::TEST_ZIP2)
end
def test_open_io_like_with_block
::Zip::InputStream.open(IOLike.new(TestZipFile::TEST_ZIP2.zip_name, 'rb')) do |zis|
assert_stream_contents(zis, TestZipFile::TEST_ZIP2)
assert_equal(true, zis.eof?)
end
end
def test_incomplete_reads
::Zip::InputStream.open(TestZipFile::TEST_ZIP2.zip_name) do |zis|
entry = zis.get_next_entry # longAscii.txt
assert_equal(false, zis.eof?)
assert_equal(TestZipFile::TEST_ZIP2.entry_names[0], entry.name)
assert !zis.gets.empty?
assert_equal(false, zis.eof?)
entry = zis.get_next_entry # empty.txt
assert_equal(TestZipFile::TEST_ZIP2.entry_names[1], entry.name)
assert_equal(0, entry.size)
assert_nil(zis.gets)
assert_equal(true, zis.eof?)
entry = zis.get_next_entry # empty_chmod640.txt
assert_equal(TestZipFile::TEST_ZIP2.entry_names[2], entry.name)
assert_equal(0, entry.size)
assert_nil(zis.gets)
assert_equal(true, zis.eof?)
entry = zis.get_next_entry # short.txt
assert_equal(TestZipFile::TEST_ZIP2.entry_names[3], entry.name)
assert !zis.gets.empty?
entry = zis.get_next_entry # longBinary.bin
assert_equal(TestZipFile::TEST_ZIP2.entry_names[4], entry.name)
assert !zis.gets.empty?
end
end
def test_incomplete_reads_from_string_io
string_io = ::StringIO.new(::File.read(TestZipFile::TEST_ZIP2.zip_name))
::Zip::InputStream.open(string_io) do |zis|
entry = zis.get_next_entry # longAscii.txt
assert_equal(false, zis.eof?)
assert_equal(TestZipFile::TEST_ZIP2.entry_names[0], entry.name)
assert !zis.gets.empty?
assert_equal(false, zis.eof?)
entry = zis.get_next_entry # empty.txt
assert_equal(TestZipFile::TEST_ZIP2.entry_names[1], entry.name)
assert_equal(0, entry.size)
assert_nil(zis.gets)
assert_equal(true, zis.eof?)
entry = zis.get_next_entry # empty_chmod640.txt
assert_equal(TestZipFile::TEST_ZIP2.entry_names[2], entry.name)
assert_equal(0, entry.size)
assert_nil(zis.gets)
assert_equal(true, zis.eof?)
entry = zis.get_next_entry # short.txt
assert_equal(TestZipFile::TEST_ZIP2.entry_names[3], entry.name)
assert !zis.gets.empty?
entry = zis.get_next_entry # longBinary.bin
assert_equal(TestZipFile::TEST_ZIP2.entry_names[4], entry.name)
assert !zis.gets.empty?
end
end
def test_read_with_number_of_bytes_returns_nil_at_eof
::Zip::InputStream.open(TestZipFile::TEST_ZIP2.zip_name) do |zis|
entry = zis.get_next_entry # longAscii.txt
zis.read(entry.size)
assert_equal(true, zis.eof?)
assert_nil(zis.read(1))
assert_nil(zis.read(1))
end
end
def test_rewind
::Zip::InputStream.open(TestZipFile::TEST_ZIP2.zip_name) do |zis|
e = zis.get_next_entry
assert_equal(TestZipFile::TEST_ZIP2.entry_names[0], e.name)
# Do a little reading
buf = ''.b
buf << zis.read(100)
assert_equal(100, zis.pos)
buf << (zis.gets || '')
buf << (zis.gets || '')
assert_equal(false, zis.eof?)
zis.rewind
buf2 = ''.b
buf2 << zis.read(100)
buf2 << (zis.gets || '')
buf2 << (zis.gets || '')
assert_equal(buf, buf2)
zis.rewind
assert_equal(false, zis.eof?)
assert_equal(0, zis.pos)
assert_entry(e.name, zis, e.name)
end
end
def test_mix_read_and_gets
::Zip::InputStream.open(TestZipFile::TEST_ZIP2.zip_name) do |zis|
zis.get_next_entry
assert_equal('#!/usr/bin/env ruby', zis.gets.chomp)
assert_equal(false, zis.eof?)
assert_equal('', zis.gets.chomp)
assert_equal(false, zis.eof?)
assert_equal('$VERBOSE =', zis.read(10))
assert_equal(false, zis.eof?)
end
end
def test_ungetc
::Zip::InputStream.open(TestZipFile::TEST_ZIP2.zip_name) do |zis|
zis.get_next_entry
first_line = zis.gets.chomp
first_line.reverse.bytes.each { |b| zis.ungetc(b) }
assert_equal('#!/usr/bin/env ruby', zis.gets.chomp)
assert_equal('$VERBOSE =', zis.read(10))
end
end
end