From d59a877da44848d28960ec9038056344a5c31c0d Mon Sep 17 00:00:00 2001
From: Beyond <beyond@be.to>
Date: Sat, 22 Sep 2012 18:07:50 +0900
Subject: added compress options for gzip
added test for compress options of gzip
update changelog
---
activesupport/test/gzip_test.rb | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
(limited to 'activesupport/test')
diff --git a/activesupport/test/gzip_test.rb b/activesupport/test/gzip_test.rb
index 75a0505899..0e3cf3b429 100644
--- a/activesupport/test/gzip_test.rb
+++ b/activesupport/test/gzip_test.rb
@@ -4,6 +4,12 @@ require 'active_support/core_ext/object/blank'
class GzipTest < ActiveSupport::TestCase
def test_compress_should_decompress_to_the_same_value
assert_equal "Hello World", ActiveSupport::Gzip.decompress(ActiveSupport::Gzip.compress("Hello World"))
+ assert_equal "Hello World", ActiveSupport::Gzip.decompress(ActiveSupport::Gzip.compress("Hello World", Zlib::NO_COMPRESSION))
+ assert_equal "Hello World", ActiveSupport::Gzip.decompress(ActiveSupport::Gzip.compress("Hello World", Zlib::BEST_SPEED))
+ assert_equal "Hello World", ActiveSupport::Gzip.decompress(ActiveSupport::Gzip.compress("Hello World", Zlib::BEST_COMPRESSION))
+ assert_equal "Hello World", ActiveSupport::Gzip.decompress(ActiveSupport::Gzip.compress("Hello World", nil, Zlib::FILTERED))
+ assert_equal "Hello World", ActiveSupport::Gzip.decompress(ActiveSupport::Gzip.compress("Hello World", nil, Zlib::HUFFMAN_ONLY))
+ assert_equal "Hello World", ActiveSupport::Gzip.decompress(ActiveSupport::Gzip.compress("Hello World", nil, nil))
end
def test_compress_should_return_a_binary_string
@@ -12,4 +18,16 @@ class GzipTest < ActiveSupport::TestCase
assert_equal Encoding.find('binary'), compressed.encoding
assert !compressed.blank?, "a compressed blank string should not be blank"
end
+
+ def test_compress_should_return_gzipped_string_by_compression_level
+ source_string = "Hello World"*100
+
+ gzipped_by_speed = ActiveSupport::Gzip.compress(source_string, Zlib::BEST_SPEED)
+ assert_equal 1, Zlib::GzipReader.new(StringIO.new(gzipped_by_speed)).level
+
+ gzipped_by_best_compression = ActiveSupport::Gzip.compress(source_string, Zlib::BEST_COMPRESSION)
+ assert_equal 9, Zlib::GzipReader.new(StringIO.new(gzipped_by_best_compression)).level
+
+ assert_equal true, (gzipped_by_best_compression.bytesize < gzipped_by_speed.bytesize)
+ end
end
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