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
|
# -*- encoding: utf-8 -*-
require_relative '../fixtures/classes'
describe :io_each, shared: true do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
ScratchPad.record []
end
after :each do
@io.close if @io
end
describe "with no separator" do
it "yields each line to the passed block" do
@io.send(@method) { |s| ScratchPad << s }
ScratchPad.recorded.should == IOSpecs.lines
end
it "yields each line starting from the current position" do
@io.pos = 41
@io.send(@method) { |s| ScratchPad << s }
ScratchPad.recorded.should == IOSpecs.lines[2..-1]
end
it "returns self" do
@io.send(@method) { |l| l }.should equal(@io)
end
it "does not change $_" do
$_ = "test"
@io.send(@method) { |s| s }
$_.should == "test"
end
it "returns self" do
@io.send(@method) { |l| l }.should equal(@io)
end
it "raises an IOError when self is not readable" do
-> { IOSpecs.closed_io.send(@method) {} }.should raise_error(IOError)
end
it "makes line count accessible via lineno" do
@io.send(@method) { ScratchPad << @io.lineno }
ScratchPad.recorded.should == [ 1,2,3,4,5,6,7,8,9 ]
end
it "makes line count accessible via $." do
@io.send(@method) { ScratchPad << $. }
ScratchPad.recorded.should == [ 1,2,3,4,5,6,7,8,9 ]
end
describe "when no block is given" do
it "returns an Enumerator" do
enum = @io.send(@method)
enum.should be_an_instance_of(Enumerator)
enum.each { |l| ScratchPad << l }
ScratchPad.recorded.should == IOSpecs.lines
end
describe "returned Enumerator" do
describe "size" do
it "should return nil" do
@io.send(@method).size.should == nil
end
end
end
end
end
describe "with limit" do
describe "when limit is 0" do
it "raises an ArgumentError" do
# must pass block so Enumerator is evaluated and raises
-> { @io.send(@method, 0){} }.should raise_error(ArgumentError)
end
end
end
describe "when passed a String containing one space as a separator" do
it "uses the passed argument as the line separator" do
@io.send(@method, " ") { |s| ScratchPad << s }
ScratchPad.recorded.should == IOSpecs.lines_space_separator
end
it "does not change $_" do
$_ = "test"
@io.send(@method, " ") { |s| }
$_.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(" ")
@io.send(@method, obj) { |l| ScratchPad << l }
ScratchPad.recorded.should == IOSpecs.lines_space_separator
end
end
describe "when passed nil as a separator" do
it "yields self's content starting from the current position when the passed separator is nil" do
@io.pos = 100
@io.send(@method, nil) { |s| ScratchPad << s }
ScratchPad.recorded.should == ["qui a linha cinco.\nHere is line six.\n"]
end
end
describe "when passed an empty String as a separator" do
it "yields each paragraph" do
@io.send(@method, "") { |s| ScratchPad << s }
ScratchPad.recorded.should == IOSpecs.paragraphs
end
end
describe "with both separator and limit" do
describe "when no block is given" do
it "returns an Enumerator" do
enum = @io.send(@method, nil, 1024)
enum.should be_an_instance_of(Enumerator)
enum.each { |l| ScratchPad << l }
ScratchPad.recorded.should == [IOSpecs.lines.join]
end
describe "returned Enumerator" do
describe "size" do
it "should return nil" do
@io.send(@method, nil, 1024).size.should == nil
end
end
end
end
describe "when a block is given" do
it "accepts an empty block" do
@io.send(@method, nil, 1024) {}.should equal(@io)
end
describe "when passed nil as a separator" do
it "yields self's content starting from the current position when the passed separator is nil" do
@io.pos = 100
@io.send(@method, nil, 1024) { |s| ScratchPad << s }
ScratchPad.recorded.should == ["qui a linha cinco.\nHere is line six.\n"]
end
end
describe "when passed an empty String as a separator" do
it "yields each paragraph" do
@io.send(@method, "", 1024) { |s| ScratchPad << s }
ScratchPad.recorded.should == IOSpecs.paragraphs
end
end
end
end
describe "when passed chomp" do
it "yields each line without trailing newline characters to the passed block" do
@io.send(@method, chomp: true) { |s| ScratchPad << s }
ScratchPad.recorded.should == IOSpecs.lines_without_newline_characters
end
end
end
describe :io_each_default_separator, shared: true do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
ScratchPad.record []
suppress_warning {@sep, $/ = $/, " "}
end
after :each do
@io.close if @io
suppress_warning {$/ = @sep}
end
it "uses $/ as the default line separator" do
@io.send(@method) { |s| ScratchPad << s }
ScratchPad.recorded.should == IOSpecs.lines_space_separator
end
end
|
