blob: 63fd9e715f13b41e2c8b58011957a4c1382a9603 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../../spec_helper'
describe "http compression" do
describe "when zlib is not available" do
before(:each) do
Puppet.features.stubs(:zlib?).returns false
require 'puppet/network/http/compression'
class HttpUncompressor
include Puppet::Network::HTTP::Compression::None
end
@uncompressor = HttpUncompressor.new
end
it "should have a module function that returns the None underlying module" do
Puppet::Network::HTTP::Compression.module.should == Puppet::Network::HTTP::Compression::None
end
it "should not add any Accept-Encoding header" do
@uncompressor.add_accept_encoding({}).should == {}
end
it "should not tamper the body" do
response = stub 'response', :body => "data"
@uncompressor.uncompress_body(response).should == "data"
end
it "should yield an identity uncompressor" do
response = stub 'response'
@uncompressor.uncompress(response) { |u|
u.should be_instance_of(Puppet::Network::HTTP::Compression::IdentityAdapter)
}
end
end
describe "when zlib is available" do
confine "Zlib is missing" => Puppet.features.zlib?
before(:each) do
Puppet.features.stubs(:zlib?).returns true
require 'puppet/network/http/compression'
class HttpUncompressor
include Puppet::Network::HTTP::Compression::Active
end
@uncompressor = HttpUncompressor.new
end
it "should have a module function that returns the Active underlying module" do
Puppet::Network::HTTP::Compression.module.should == Puppet::Network::HTTP::Compression::Active
end
it "should add an Accept-Encoding header when http compression is available" do
Puppet.settings.expects(:[]).with(:http_compression).returns(true)
headers = @uncompressor.add_accept_encoding({})
headers.should have_key('accept-encoding')
headers['accept-encoding'].should =~ /gzip/
headers['accept-encoding'].should =~ /deflate/
headers['accept-encoding'].should =~ /identity/
end
it "should not add Accept-Encoding header if http compression is not available" do
Puppet.settings.stubs(:[]).with(:http_compression).returns(false)
@uncompressor.add_accept_encoding({}).should == {}
end
describe "when uncompressing response body" do
before do
@response = stub 'response'
@response.stubs(:[]).with('content-encoding')
@response.stubs(:body).returns("mydata")
end
it "should return untransformed response body with no content-encoding" do
@uncompressor.uncompress_body(@response).should == "mydata"
end
it "should return untransformed response body with 'identity' content-encoding" do
@response.stubs(:[]).with('content-encoding').returns('identity')
@uncompressor.uncompress_body(@response).should == "mydata"
end
it "should use a Zlib inflater with 'deflate' content-encoding" do
@response.stubs(:[]).with('content-encoding').returns('deflate')
inflater = stub 'inflater'
Zlib::Inflate.expects(:new).returns(inflater)
inflater.expects(:inflate).with("mydata").returns "uncompresseddata"
@uncompressor.uncompress_body(@response).should == "uncompresseddata"
end
it "should use a GzipReader with 'gzip' content-encoding" do
@response.stubs(:[]).with('content-encoding').returns('gzip')
io = stub 'io'
StringIO.expects(:new).with("mydata").returns io
reader = stub 'gzip reader'
Zlib::GzipReader.expects(:new).with(io).returns(reader)
reader.expects(:read).returns "uncompresseddata"
@uncompressor.uncompress_body(@response).should == "uncompresseddata"
end
end
describe "when uncompressing by chunk" do
before do
@response = stub 'response'
@response.stubs(:[]).with('content-encoding')
@inflater = stub_everything 'inflater'
Zlib::Inflate.stubs(:new).returns(@inflater)
end
it "should yield an identity uncompressor with no content-encoding" do
@uncompressor.uncompress(@response) { |u|
u.should be_instance_of(Puppet::Network::HTTP::Compression::IdentityAdapter)
}
end
it "should yield an identity uncompressor with 'identity' content-encoding" do
@response.stubs(:[]).with('content-encoding').returns 'identity'
@uncompressor.uncompress(@response) { |u|
u.should be_instance_of(Puppet::Network::HTTP::Compression::IdentityAdapter)
}
end
%w{gzip deflate}.each do |c|
it "should yield a Zlib uncompressor with '#{c}' content-encoding" do
@response.stubs(:[]).with('content-encoding').returns c
@uncompressor.uncompress(@response) { |u|
u.should be_instance_of(Puppet::Network::HTTP::Compression::Active::ZlibAdapter)
}
end
end
it "should close the underlying adapter" do
adapter = stub_everything 'adapter'
Puppet::Network::HTTP::Compression::IdentityAdapter.expects(:new).returns(adapter)
adapter.expects(:close)
@uncompressor.uncompress(@response) { |u| }
end
end
describe "zlib adapter" do
before do
@inflater = stub_everything 'inflater'
Zlib::Inflate.stubs(:new).returns(@inflater)
@adapter = Puppet::Network::HTTP::Compression::Active::ZlibAdapter.new
end
it "should initialize the underlying inflater with gzip/zlib header parsing" do
Zlib::Inflate.expects(:new).with(15+32)
Puppet::Network::HTTP::Compression::Active::ZlibAdapter.new
end
it "should inflate the given chunk" do
@inflater.expects(:inflate).with("chunk")
@adapter.uncompress("chunk")
end
it "should return the inflated chunk" do
@inflater.stubs(:inflate).with("chunk").returns("uncompressed")
@adapter.uncompress("chunk").should == "uncompressed"
end
it "should try a 'regular' inflater on Zlib::DataError" do
@inflater.expects(:inflate).raises(Zlib::DataError.new("not a zlib stream"))
inflater = stub_everything 'inflater2'
inflater.expects(:inflate).with("chunk").returns("uncompressed")
Zlib::Inflate.expects(:new).with().returns(inflater)
@adapter.uncompress("chunk")
end
it "should raise the error the second time" do
@inflater.expects(:inflate).raises(Zlib::DataError.new("not a zlib stream"))
Zlib::Inflate.expects(:new).with().returns(@inflater)
lambda { @adapter.uncompress("chunk") }.should raise_error
end
it "should finish the stream on close" do
@inflater.expects(:finish)
@adapter.close
end
it "should close the stream on close" do
@inflater.expects(:close)
@adapter.close
end
end
end
end
|
