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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
shared_examples_for "Scanner" do
context "Event Types"do
it "sends added events" do
scenario.run_and_wait_for_event_count(1) do
touch( scratch_path( 'added' ) )
end.stop
scenario.events.should be_events_like( [[ :added, 'added' ]] )
end
it "sends modified events for file size modifications" do
modified_file = scratch_path( 'modified' )
scenario.run_and_wait_for_event_count(1) do
touch( modified_file )
end.run_and_wait_for_event_count(1) do
append_to( modified_file )
end.stop
scenario.events.should be_events_like( [[ :added, 'modified'], [ :modified, 'modified']] )
end
it "sends modified events for mtime modifications" do
modified_file = scratch_path( 'modified' )
scenario.run_and_wait_for_event_count(1) do
touch( modified_file, Time.now - 5 )
end.run_and_wait_for_event_count(1) do
touch( modified_file )
end.stop
scenario.events.should be_events_like( [[ :added, 'modified'], [ :modified, 'modified']] )
end
it "sends removed events" do
removed_file = scratch_path( 'removed' )
scenario.run_and_wait_for_event_count(1) do
touch( removed_file, Time.now )
end.run_and_wait_for_event_count(1) do
File.unlink( removed_file )
end.stop
scenario.events.should be_events_like [ [:added, 'removed'], [:removed, 'removed'] ]
end
it "sends stable events" do
stable_file = scratch_path( 'stable' )
scenario_with_stable.run_and_wait_for_event_count(2) do |s|
touch( stable_file )
# do nothing wait for the stable event.
end.stop
scenario_with_stable.events.should be_events_like [ [:added, 'stable'], [:stable, 'stable'] ]
end
it "only sends stable events once" do
stable_file = scratch_path( 'stable' )
scenario_with_stable.run_and_wait_for_scan_count(5) do |s|
touch( stable_file )
# do nothing
end.stop
scenario_with_stable.events.size.should == 2
end
it "events are not sent for directory creation" do
a_dir = scratch_path( 'subdir' )
scenario.run_and_wait_for_scan_count(2) do
Dir.mkdir( a_dir )
end.stop
scenario.events.should be_empty
end
it "sends events for files in sub directories" do
a_dir = scratch_path( 'subdir' )
scenario.run_and_wait_for_event_count(1) do
Dir.mkdir( a_dir )
subfile = File.join( a_dir, 'subfile' )
touch( subfile )
end.stop
scenario.events.should be_events_like [ [:added, 'subfile'] ]
end
end
context "run_once" do
it "can be run on command via 'run_once'" do
one_shot_file = scratch_path( "run_once" )
scenario.run_once_and_wait_for_event_count(1) do
touch( one_shot_file )
end.stop
scenario.events.should be_events_like [ [:added, 'run_once'] ]
end
end
context "pre_load option " do
it "skips initial add events" do
modified_file = scratch_path( 'modified' )
touch( modified_file, Time.now - 5 )
scenario_with_pre_load.run_and_wait_for_event_count(1) do
touch( modified_file )
end.stop
scenario_with_pre_load.events.should be_events_like( [[ :modified, 'modified']] )
end
end
context "globbing" do
it "only sends events for files that match" do
non_matching = scratch_path( 'no-match' )
matching = scratch_path( 'match.42' )
scenario_with_glob.run_and_wait_for_event_count(1) do
touch( non_matching )
touch( matching, Time.now - 5 )
end.run_and_wait_for_event_count(1) do
touch( matching )
end.stop
scenario_with_glob.events.should be_events_like( [[ :added, 'match.42' ], [ :modified, 'match.42' ]] )
end
end
context "running?" do
it "is true when the watcher is running" do
directory_watcher.start
directory_watcher.running?.should be_true
directory_watcher.stop
end
it "is false when the watcher is not running" do
directory_watcher.running?.should be_false
directory_watcher.start
directory_watcher.running?.should be_true
directory_watcher.stop
directory_watcher.running?.should be_false
end
end
context "persistence" do
it "saves the current state of the system when the watcher is stopped" do
modified_file = scratch_path( 'modified' )
scenario_with_persist.run_and_wait_for_event_count(1) do
touch( modified_file, Time.now - 20 )
end.run_and_wait_for_event_count(1) do
touch( modified_file, Time.now - 10 )
end.stop
scenario_with_persist.events.should be_events_like( [[ :added, 'modified'], [ :modified, 'modified' ]] )
scenario_with_persist.reset
scenario_with_persist.resume
Thread.pass until scenario_with_persist.events.size >= 1
scenario_with_persist.pause
scenario_with_persist.run_and_wait_for_event_count(1) do
touch( modified_file )
end.stop
scenario_with_persist.events.should be_events_like( [[:added, 'persist.yml'], [ :modified, 'modified' ]] )
end
end
context "sorting" do
[:ascending, :descending].each do |ordering|
context "#{ordering}" do
context "file name" do
let( :filenames ) { ('a'..'z').sort_by {rand} }
let( :options ) { default_options.merge( :order_by => ordering ) }
before do
filenames.each do |p|
touch( scratch_path( p ))
end
end
it "#{ordering}" do
scenario.run_and_wait_for_event_count(filenames.size) do
# wait
end
final_events = filenames.sort.map { |p| [:added, p] }
final_events.reverse! if ordering == :descending
scenario.events.should be_events_like( final_events )
end
end
context "mtime" do
let( :current_time ) { Time.now }
let( :basenames ) { ('a'..'z').to_a }
let( :delta_times ) { unique_integer_list( basenames.size, 5000 ) }
let( :filenames ) { basenames.inject({}) { |h,k| h[k] = current_time - delta_times.shift; h } }
let( :options ) { default_options.merge( :sort_by => :mtime, :order_by => ordering ) }
before do
filenames.keys.sort_by{ rand }.each do |p|
touch( scratch_path(p), filenames[p] )
end
end
it "#{ordering}" do
scenario.run_and_wait_for_event_count(filenames.size) { nil }
sorted_fnames = filenames.to_a.sort_by { |v| v[1] }
final_events = sorted_fnames.map { |fn,ts| [:added, fn] }
final_events.reverse! if ordering == :descending
scenario.events.should be_events_like( final_events )
end
end
context "size" do
let( :basenames ) { ('a'..'z').to_a }
let( :file_sizes ) { unique_integer_list( basenames.size, 1000 ) }
let( :filenames ) { basenames.inject({}) { |h,k| h[k] = file_sizes.shift; h } }
let( :options ) { default_options.merge( :sort_by => :size, :order_by => ordering ) }
before do
filenames.keys.sort_by{ rand }.each do |p|
append_to( scratch_path(p), filenames[p] )
end
end
it "#{ordering}" do
scenario.run_and_wait_for_event_count(filenames.size) { nil }
sorted_fnames = filenames.to_a.sort_by { |v| v[1] }
final_events = sorted_fnames.map { |fn,ts| [:added, fn] }
final_events.reverse! if ordering == :descending
scenario.events.should be_events_like( final_events )
end
end
end
end
end
end
|
