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
200
201
202
203
204
205
206
207
208
209
210
|
# -*- encoding: utf-8 -*-
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require File.expand_path('../shared/readlines', __FILE__)
describe "IO#readlines" do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
@orig_exteenc = Encoding.default_external
Encoding.default_external = Encoding::UTF_8
end
after :each do
@io.close unless @io.closed?
Encoding.default_external = @orig_exteenc
end
it "raises an IOError if the stream is closed" do
@io.close
lambda { @io.readlines }.should raise_error(IOError)
end
describe "when passed no arguments" do
before :each do
@sep, $/ = $/, " "
end
after :each do
$/ = @sep
end
it "returns an Array containing lines based on $/" do
@io.readlines.should == IOSpecs.lines_space_separator
end
end
describe "when passed no arguments" do
it "updates self's position" do
@io.readlines
@io.pos.should eql(137)
end
it "updates self's lineno based on the number of lines read" do
@io.readlines
@io.lineno.should eql(9)
end
it "does not change $_" do
$_ = "test"
@io.readlines
$_.should == "test"
end
it "returns an empty Array when self is at the end" do
@io.readlines.should == IOSpecs.lines
@io.readlines.should == []
end
end
describe "when passed nil" do
it "returns the remaining content as one line starting at the current position" do
@io.readlines(nil).should == [IOSpecs.lines.join]
end
end
describe "when passed an empty String" do
it "returns an Array containing all paragraphs" do
@io.readlines("").should == IOSpecs.paragraphs
end
end
describe "when passed a separator" do
it "returns an Array containing lines based on the separator" do
@io.readlines("r").should == IOSpecs.lines_r_separator
end
it "returns an empty Array when self is at the end" do
@io.readlines
@io.readlines("r").should == []
end
it "updates self's lineno based on the number of lines read" do
@io.readlines("r")
@io.lineno.should eql(5)
end
it "updates self's position based on the number of characters read" do
@io.readlines("r")
@io.pos.should eql(137)
end
it "does not change $_" do
$_ = "test"
@io.readlines("r")
$_.should == "test"
end
it "tries to convert the passed separator to a String using #to_str" do
obj = mock('to_str')
obj.stub!(:to_str).and_return("r")
@io.readlines(obj).should == IOSpecs.lines_r_separator
end
end
describe "when passed a string that starts with a |" do
it "gets data from the standard out of the subprocess" do
cmd = "|sh -c 'echo hello;echo line2'"
platform_is :windows do
cmd = "|cmd.exe /C echo hello&echo line2"
end
lines = IO.readlines(cmd)
lines.should == ["hello\n", "line2\n"]
end
with_feature :fork do
it "gets data from a fork when passed -" do
lines = IO.readlines("|-")
if lines # parent
lines.should == ["hello\n", "from a fork\n"]
else
puts "hello"
puts "from a fork"
exit!
end
end
end
end
end
describe "IO#readlines" do
before :each do
@name = tmp("io_readlines")
end
after :each do
rm_r @name
end
it "raises an IOError if the stream is opened for append only" do
lambda do
File.open(@name, fmode("a:utf-8")) { |f| f.readlines }
end.should raise_error(IOError)
end
it "raises an IOError if the stream is opened for write only" do
lambda do
File.open(@name, fmode("w:utf-8")) { |f| f.readlines }
end.should raise_error(IOError)
end
end
describe "IO.readlines" do
before :each do
@external = Encoding.default_external
Encoding.default_external = Encoding::UTF_8
@name = fixture __FILE__, "lines.txt"
ScratchPad.record []
end
after :each do
Encoding.default_external = @external
end
it "does not change $_" do
$_ = "test"
IO.readlines(@name)
$_.should == "test"
end
it_behaves_like :io_readlines, :readlines
it_behaves_like :io_readlines_options_19, :readlines
end
describe "IO.readlines" do
before :each do
@external = Encoding.default_external
@internal = Encoding.default_internal
@name = fixture __FILE__, "lines.txt"
@dollar_slash = $/
end
after :each do
Encoding.default_external = @external
Encoding.default_internal = @internal
$/ = @dollar_slash
end
it "encodes lines using the default external encoding" do
Encoding.default_external = Encoding::UTF_8
lines = IO.readlines(@name)
lines.all? { |s| s.encoding == Encoding::UTF_8 }.should be_true
end
it "encodes lines using the default internal encoding, when set" do
Encoding.default_external = Encoding::UTF_8
Encoding.default_internal = Encoding::UTF_16
$/ = $/.encode Encoding::UTF_16
lines = IO.readlines(@name)
lines.all? { |s| s.encoding == Encoding::UTF_16 }.should be_true
end
it "ignores the default internal encoding if the external encoding is ASCII-8BIT" do
Encoding.default_external = Encoding::ASCII_8BIT
Encoding.default_internal = Encoding::UTF_8
lines = IO.readlines(@name)
lines.all? { |s| s.encoding == Encoding::ASCII_8BIT }.should be_true
end
end
|
