/
runner_spec.rb
505 lines (407 loc) · 15.7 KB
/
runner_spec.rb
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
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
require 'rspec/core/drb'
require 'support/runner_support'
module RSpec::Core
RSpec.describe Runner do
describe 'invocation' do
before do
# Simulate invoking the suite like exe/rspec does.
allow(RSpec::Core::Runner).to receive(:run)
RSpec::Core::Runner.invoke
end
it 'does not autorun after having been invoked' do
expect(RSpec::Core::Runner).not_to receive(:at_exit)
RSpec::Core::Runner.autorun
end
it 'prints a warning when autorun is attempted' do
expect_deprecation_with_call_site(__FILE__, __LINE__ + 1)
RSpec::Core::Runner.autorun
end
end
describe '.autorun' do
before do
@original_ivars = Hash[ Runner.instance_variables.map do |ivar|
[ivar, Runner.instance_variable_get(ivar)]
end ]
end
after do
(@original_ivars.keys | Runner.instance_variables).each do |ivar|
if @original_ivars.key?(ivar)
Runner.instance_variable_set(ivar, @original_ivars[ivar])
else
# send is necessary for 1.8.7
Runner.send(:remove_instance_variable, ivar)
end
end
end
it 'sets an at_exit hook if none is already set' do
Runner.instance_eval do
@autorun_disabled = false
@installed_at_exit = false
end
allow(RSpec::Core::Runner).to receive(:running_in_drb?).and_return(false)
allow(RSpec::Core::Runner).to receive(:invoke)
expect(RSpec::Core::Runner).to receive(:at_exit)
RSpec::Core::Runner.autorun
end
it 'does not set the at_exit hook if it is already set' do
Runner.instance_eval do
@autorun_disabled = false
@installed_at_exit = true
end
allow(RSpec::Core::Runner).to receive(:running_in_drb?).and_return(false)
expect(RSpec::Core::Runner).to receive(:at_exit).never
RSpec::Core::Runner.autorun
end
end
describe "at_exit hook" do
before { allow(Runner).to receive(:invoke) }
it 'normally runs the spec suite' do
Runner.perform_at_exit
expect(Runner).to have_received(:invoke)
end
it 'does not run the suite if an error triggered the exit' do
begin
raise "boom"
rescue
Runner.perform_at_exit
end
expect(Runner).not_to have_received(:invoke)
end
it 'stil runs the suite if a `SystemExit` occurs since that is caused by `Kernel#exit`' do
begin
exit
rescue SystemExit
Runner.perform_at_exit
end
expect(Runner).to have_received(:invoke)
end
end
describe "interrupt handling" do
before { allow(Runner).to receive(:exit!) }
it 'prints a message the first time, then exits the second time' do
expect {
Runner.handle_interrupt
}.to output(/shutting down/).to_stderr_from_any_process &
change { RSpec.world.wants_to_quit }.from(a_falsey_value).to(true)
expect(Runner).not_to have_received(:exit!)
expect {
Runner.handle_interrupt
}.not_to output.to_stderr_from_any_process
expect(Runner).to have_received(:exit!)
end
end
describe "interrupt catching" do
let(:interrupt_handlers) { [] }
before do
allow(Runner).to receive(:trap).with("INT", any_args) do |&block|
interrupt_handlers << block
end
end
def interrupt
interrupt_handlers.each(&:call)
end
it "adds a handler for SIGINT" do
expect(interrupt_handlers).to be_empty
Runner.send(:trap_interrupt)
expect(interrupt_handlers.size).to eq(1)
end
context "with SIGINT once" do
it "aborts processing" do
Runner.send(:trap_interrupt)
expect(Runner).to receive(:handle_interrupt)
interrupt
end
it "does not exit immediately, but notifies the user" do
Runner.send(:trap_interrupt)
expect(Runner).not_to receive(:exit)
expect(Runner).not_to receive(:exit!)
expect { interrupt }.to output(/RSpec is shutting down/).to_stderr
end
end
context "with SIGINT twice" do
it "exits immediately" do
Runner.send(:trap_interrupt)
expect(Runner).to receive(:exit!).with(1)
expect { interrupt }.to output(//).to_stderr
interrupt
end
end
end
# This is intermittently slow because this method calls out to the network
# interface.
describe ".running_in_drb?", :slow do
subject { RSpec::Core::Runner.running_in_drb? }
before do
allow(::DRb).to receive(:current_server) { drb_server }
# To deal with some network weirdness at my workplace, I had to
# configure my network adapter in a non-standard way that causes
# `IPSocket.getaddress(Socket.gethostname)` to raise
# `SocketError: getaddrinfo: nodename nor servname provided, or not known`
# I'm not sure why this happens, but to keep the specs here passing,
# I have to stub this out :(.
allow(IPSocket).to receive(:getaddress) { "127.0.0.1" }
end
context "when drb server is started with 127.0.0.1" do
let(:drb_server) do
instance_double(::DRb::DRbServer, :uri => "druby://127.0.0.1:0000/", :alive? => true)
end
it { should be_truthy }
end
context "when drb server is started with localhost" do
let(:drb_server) do
instance_double(::DRb::DRbServer, :uri => "druby://localhost:0000/", :alive? => true)
end
it { should be_truthy }
end
context "when drb server is started with another local ip address" do
let(:drb_server) do
instance_double(::DRb::DRbServer, :uri => "druby://192.168.0.1:0000/", :alive? => true)
end
before do
allow(::IPSocket).to receive(:getaddress).and_return("192.168.0.1")
end
it { should be_truthy }
end
context "when drb server is started with 127.0.0.1 but not alive" do
let(:drb_server) do
instance_double(::DRb::DRbServer, :uri => "druby://127.0.0.1:0000/", :alive? => false)
end
it { should be_falsey }
end
context "when IPSocket cannot resolve the current hostname" do
let(:drb_server) do
instance_double(::DRb::DRbServer, :uri => "druby://localhost:0000/", :alive? => true)
end
before do
allow(::IPSocket).to receive(:getaddress).and_raise(
SocketError, "getaddrinfo: nodename nor servname provided, or not known"
)
end
it { should be_falsey }
end
context "when no drb server is running" do
let(:drb_server) do
raise ::DRb::DRbServerNotFound
end
it { should be_falsey }
end
end
describe '#exit_code' do
let(:world) { World.new }
let(:config) { Configuration.new }
let(:runner) { Runner.new({}, config, world) }
it 'defaults to 1' do
expect(runner.exit_code).to eq 1
end
it 'is failure_exit_code by default' do
config.failure_exit_code = 2
expect(runner.exit_code).to eq 2
end
it 'is failure_exit_code when world is errored by default' do
world.non_example_failure = true
config.failure_exit_code = 2
expect(runner.exit_code).to eq 2
end
it 'is error_exit_code when world is errored by and both are defined' do
world.non_example_failure = true
config.failure_exit_code = 2
config.error_exit_code = 3
expect(runner.exit_code).to eq 3
end
it 'is error_exit_code when world is errored by and failure exit code is not defined' do
world.non_example_failure = true
config.error_exit_code = 3
expect(runner.exit_code).to eq 3
end
it 'can be given success' do
config.error_exit_code = 3
expect(runner.exit_code(true)).to eq 0
end
it 'can be given success, but non_example_failure=true will still cause an error code' do
world.non_example_failure = true
config.error_exit_code = 3
expect(runner.exit_code(true)).to eq 3
end
end
describe ".invoke" do
let(:runner) { RSpec::Core::Runner }
it "runs the specs via #run" do
allow(runner).to receive(:exit)
expect(runner).to receive(:run)
runner.invoke
end
it "doesn't exit on success" do
allow(runner).to receive(:run) { 0 }
expect(runner).to_not receive(:exit)
runner.invoke
end
it "exits with #run's status on failure" do
allow(runner).to receive(:run) { 123 }
expect(runner).to receive(:exit).with(123)
runner.invoke
end
end
describe ".run" do
let(:args) { double(:args) }
let(:err) { StringIO.new }
let(:out) { StringIO.new }
let(:options) { { } }
let(:configuration_options) { double(:configuration_options, :options => options) }
before(:each) do
allow(RSpec::Core::ConfigurationOptions).to receive(:new).and_return(configuration_options)
end
context 'when the options contain a runner callable' do
let(:runner) { double(:runner, :call => nil) }
let(:options) { { :runner => runner } }
it 'invokes the runner callable' do
RSpec::Core::Runner.run([], err, out)
expect(runner).to have_received(:call).with(configuration_options, err, out)
end
end
context 'when no runner callable is set' do
it 'instantiates a Runner instance and runs it' do
process_proxy = double(RSpec::Core::Runner, :run => 0)
allow(RSpec::Core::Runner).to receive(:new).and_return(process_proxy)
RSpec::Core::Runner.run([], err, out)
expect(RSpec::Core::Runner).to have_received(:new)
expect(process_proxy).to have_received(:run).with(err, out)
end
end
end
context "when run" do
include_context "Runner support"
before do
allow(config.hooks).to receive(:run)
end
it "configures streams before command line options" do
allow(RSpec).to receive(:deprecate) # remove this and should_receive when ordered
stdout = StringIO.new
allow(config).to receive(:load_spec_files)
allow(config).to receive(:reporter).and_return(double.as_null_object)
config.output_stream = $stdout
# this is necessary to ensure that color works correctly on windows
expect(config).to receive(:error_stream=).ordered
expect(config).to receive(:output_stream=).ordered
expect(config).to receive(:force).at_least(:once).ordered
runner = build_runner
runner.setup err, stdout
end
it "assigns submitted ConfigurationOptions to @options" do
config_options = ConfigurationOptions.new(%w[--color])
runner = Runner.new(config_options)
expect(runner.instance_exec { @options }).to be(config_options)
end
describe "#run" do
it 'supports a test-queue like subclass that can perform setup once and run different sets of example groups multiple times' do
order = []
RSpec.describe("group 1") do
before { order << :group_1 }
example("passing") { expect(1).to eq(1) }
end
RSpec.describe("group 2") do
before { order << :group_2 }
example("failed") { expect(1).to eq(2) }
end
subclass = Class.new(Runner) do
define_method :run_specs do |example_groups|
set_1, set_2 = example_groups.partition { |g| g.description.include?('1') }
order << :start_set_1
super(set_1)
order << :start_set_2
super(set_2)
end
end
expect(config).to receive(:load_spec_files).once
subclass.new(ConfigurationOptions.new([]), config, world).run(err, out)
expect(order).to eq([:start_set_1, :group_1, :start_set_2, :group_2])
end
it 'reports the expected example count accurately, even when subclasses filter example groups' do
RSpec.describe("group 1") do
example("1") { }
context "nested" do
4.times { example { } }
end
end
RSpec.describe("group 2") do
example("2") { }
example("3") { }
context "nested" do
4.times { example { } }
end
end
subclass = Class.new(Runner) do
define_method :run_specs do |example_groups|
super(example_groups.select { |g| g.description == 'group 2' })
end
end
my_formatter = instance_double(Formatters::BaseFormatter).as_null_object
config.output_stream = out
config.deprecation_stream = err
config.reporter.register_listener(my_formatter, :start)
allow(config).to receive(:load_spec_files)
subclass.new(ConfigurationOptions.new([]), config, world).run(err, out)
expect(my_formatter).to have_received(:start) do |notification|
expect(notification.count).to eq(6)
end
end
describe "persistence of example statuses" do
let(:all_examples) { [double("example")] }
def run
allow(world).to receive(:all_examples).and_return(all_examples)
allow(config).to receive(:load_spec_files)
class_spy(ExampleStatusPersister, :load_from => []).as_stubbed_const
runner = build_runner
runner.run(err, out)
end
context "when `example_status_persistence_file_path` is configured" do
it 'persists the status of all loaded examples' do
config.example_status_persistence_file_path = "examples.txt"
run
expect(ExampleStatusPersister).to have_received(:persist).with(all_examples, "examples.txt")
end
end
context "with --dry-run" do
it "doesn't persist example status" do
config.example_status_persistence_file_path = "examples.txt"
config.dry_run = true
run
expect(ExampleStatusPersister).not_to have_received(:persist)
end
end
context "when `example_status_persistence_file_path` is not configured" do
it "doesn't persist example status" do
config.example_status_persistence_file_path = nil
run
expect(ExampleStatusPersister).not_to have_received(:persist)
end
end
end
context "running files" do
include_context "spec files"
it "returns 0 if spec passes" do
runner = build_runner passing_spec_filename
expect(runner.run(err, out)).to eq 0
end
it "returns 1 if spec fails" do
runner = build_runner failing_spec_filename
expect(runner.run(err, out)).to eq 1
end
it "returns 2 if spec fails and --failure-exit-code is 2" do
runner = build_runner failing_spec_filename, "--failure-exit-code", "2"
expect(runner.run(err, out)).to eq 2
end
end
end
describe "#run with custom output" do
before { allow(config).to receive_messages :files_to_run => [] }
let(:output_file) { File.new("#{Dir.tmpdir}/runner_spec_output.txt", 'w') }
it "doesn't override output_stream" do
config.output_stream = output_file
runner = build_runner
runner.run err, nil
expect(runner.instance_exec { @configuration.output_stream }).to eq output_file
end
end
end
end
end