| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| class TestMemoryMappedInputStream < Test::Unit::TestCase |
| def setup |
| @data = "Hello World" |
| @tempfile = Tempfile.open("arrow-memory-mapped-input-stream") |
| @tempfile.write(@data) |
| @tempfile.close |
| end |
| |
| def test_new |
| input = Arrow::MemoryMappedInputStream.new(@tempfile.path) |
| begin |
| buffer = input.read(5) |
| assert_equal("Hello", buffer.data.to_s) |
| ensure |
| input.close |
| end |
| end |
| |
| def test_close |
| input = Arrow::MemoryMappedInputStream.new(@tempfile.path) |
| assert do |
| not input.closed? |
| end |
| input.close |
| assert do |
| input.closed? |
| end |
| end |
| |
| def test_size |
| input = Arrow::MemoryMappedInputStream.new(@tempfile.path) |
| begin |
| assert_equal(@data.bytesize, input.size) |
| ensure |
| input.close |
| end |
| end |
| |
| def test_read |
| input = Arrow::MemoryMappedInputStream.new(@tempfile.path) |
| begin |
| buffer = input.read(5) |
| assert_equal("Hello", buffer.data.to_s) |
| ensure |
| input.close |
| end |
| end |
| |
| def test_read_at |
| input = Arrow::MemoryMappedInputStream.new(@tempfile.path) |
| begin |
| buffer = input.read_at(6, 5) |
| assert_equal("World", buffer.data.to_s) |
| ensure |
| input.close |
| end |
| end |
| |
| def test_mode |
| input = Arrow::MemoryMappedInputStream.new(@tempfile.path) |
| begin |
| assert_equal(Arrow::FileMode::READWRITE, input.mode) |
| ensure |
| input.close |
| end |
| end |
| end |