free_mutant/spec/unit/mutant/reporter/cli_spec.rb
2014-10-08 00:10:58 +00:00

574 lines
16 KiB
Ruby

RSpec.describe Mutant::Reporter::CLI do
let(:object) { described_class.new(output, format) }
let(:output) { StringIO.new }
let(:framed_format) do
described_class::Format::Framed.new(
tty: false,
tput: described_class::Tput::UNAVAILABLE
)
end
let(:progressive_format) do
described_class::Format::Progressive.new(tty: false)
end
let(:format) { framed_format }
def contents
output.rewind
output.read
end
def self.it_reports(expected_content)
it 'writes expected report to output' do
subject
expect(contents).to eql(strip_indent(expected_content))
end
end
before do
allow(Time).to receive(:now).and_return(Time.now)
end
let(:result) do
Mutant::Result::Env.new(
env: env,
runtime: 1.1,
subject_results: subject_results
)
end
let(:env) do
double(
'Env',
class: Mutant::Env,
matchable_scopes: matchable_scopes,
config: config,
subjects: subjects,
mutations: subjects.flat_map(&:mutations)
)
end
let(:config) { Mutant::Config::DEFAULT.update(jobs: 1) }
let(:mutation_class) { Mutant::Mutation::Evil }
let(:matchable_scopes) { double('Matchable Scopes', length: 10) }
before do
allow(mutation_a).to receive(:subject).and_return(_subject)
allow(mutation_b).to receive(:subject).and_return(_subject)
end
let(:mutation_a) do
double(
'Mutation',
identification: 'mutation_id-a',
class: mutation_class,
original_source: 'true',
source: mutation_source
)
end
let(:mutation_b) do
double(
'Mutation',
identification: 'mutation_id-b',
class: mutation_class,
original_source: 'true',
source: mutation_source
)
end
let(:mutation_source) { 'false' }
let(:_subject) do
double(
'Subject',
class: Mutant::Subject,
node: s(:true),
identification: 'subject_id',
mutations: subject_mutations,
tests: [
double('Test', identification: 'test_id')
]
)
end
let(:subject_mutations) { [mutation_a] }
let(:test_results) do
[
double(
'Test Result',
class: Mutant::Result::Test,
test: _subject.tests.first,
runtime: 1.0,
output: 'test-output',
success?: mutation_result_success
)
]
end
let(:mutation_a_result) do
double(
'Mutation Result',
class: Mutant::Result::Mutation,
mutation: mutation_a,
killtime: 0.5,
runtime: 1.0,
index: 0,
success?: mutation_result_success,
test_results: test_results,
failed_test_results: mutation_result_success ? [] : test_results
)
end
let(:subject_results) do
[
Mutant::Result::Subject.new(
subject: _subject,
runtime: 1.0,
mutation_results: [mutation_a_result]
)
]
end
let(:subjects) { [_subject] }
describe '.build' do
subject { described_class.build(output) }
let(:progressive_format) do
described_class::Format::Progressive.new(tty: tty?)
end
let(:framed_format) do
described_class::Format::Framed.new(
tty: true,
tput: described_class::Tput::INSTANCE
)
end
before do
expect(ENV).to receive(:key?).with('CI').and_return(ci?)
end
let(:output) { double('Output', tty?: tty?) }
let(:tty?) { true }
let(:ci?) { false }
context 'when not on CI and on a tty' do
it { should eql(described_class.new(output, framed_format)) }
end
context 'when on CI' do
let(:ci?) { true }
it { should eql(described_class.new(output, progressive_format)) }
end
context 'when output is not a tty?' do
let(:tty?) { false }
it { should eql(described_class.new(output, progressive_format)) }
end
context 'when output does not respond to #tty?' do
let(:output) { double('Output') }
let(:tty?) { false }
it { should eql(described_class.new(output, progressive_format)) }
end
end
describe '#warn' do
subject { object.warn(message) }
let(:message) { 'message' }
it_reports("message\n")
end
describe '#start' do
subject { object.start(env) }
context 'on progressive format' do
let(:format) { progressive_format }
it_reports(<<-REPORT)
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
REPORT
end
context 'on framed format' do
it_reports ''
end
end
describe '#progress' do
subject { object.progress(collector) }
let(:collector) do
Mutant::Runner::Collector.new(env)
end
let(:mutation_result_success) { true }
context 'on progressive format' do
let(:format) { progressive_format }
context 'with empty collector' do
it_reports ''
end
context 'with last mutation present' do
before do
collector.start(mutation_a)
collector.finish(mutation_a_result)
end
context 'when mutation is successful' do
it_reports '.'
end
context 'when mutation is NOT successful' do
let(:mutation_result_success) { false }
it_reports 'F'
end
end
end
context 'on framed format' do
let(:mutation_result_success) { true }
context 'with empty collector' do
it_reports <<-REPORT
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
Available Subjects: 1
Subjects: 1
Mutations: 1
Kills: 0
Alive: 0
Runtime: 0.00s
Killtime: 0.00s
Overhead: NaN%
Coverage: 0.00%
Expected: 100.00%
Active subjects: 0
REPORT
end
context 'with collector active on one subject' do
before do
collector.start(mutation_a)
end
context 'without progress' do
it_reports(<<-REPORT)
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
Available Subjects: 1
Subjects: 1
Mutations: 1
Kills: 0
Alive: 0
Runtime: 0.00s
Killtime: 0.00s
Overhead: NaN%
Coverage: 0.00%
Expected: 100.00%
Active subjects: 1
subject_id mutations: 1
- test_id
(00/01) 0% - killtime: 0.00s runtime: 0.00s overhead: 0.00s
REPORT
end
context 'with progress' do
let(:subject_mutations) { [mutation_a, mutation_b] }
before do
collector.start(mutation_b)
collector.finish(mutation_a_result)
end
context 'on failure' do
let(:mutation_result_success) { false }
it_reports(<<-REPORT)
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
Available Subjects: 1
Subjects: 1
Mutations: 2
Kills: 0
Alive: 1
Runtime: 0.00s
Killtime: 0.50s
Overhead: -100.00%
Coverage: 0.00%
Expected: 100.00%
Active subjects: 1
subject_id mutations: 2
- test_id
F
(00/02) 0% - killtime: 0.50s runtime: 1.00s overhead: 0.50s
REPORT
end
context 'on success' do
it_reports(<<-REPORT)
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
Available Subjects: 1
Subjects: 1
Mutations: 2
Kills: 1
Alive: 0
Runtime: 0.00s
Killtime: 0.50s
Overhead: -100.00%
Coverage: 100.00%
Expected: 100.00%
Active subjects: 1
subject_id mutations: 2
- test_id
.
(01/02) 100% - killtime: 0.50s runtime: 1.00s overhead: 0.50s
REPORT
end
end
end
end
describe '#report' do
subject { object.report(result) }
context 'with full coverage' do
let(:mutation_result_success) { true }
it_reports(<<-REPORT)
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
Available Subjects: 1
Subjects: 1
Mutations: 1
Kills: 1
Alive: 0
Runtime: 1.10s
Killtime: 0.50s
Overhead: 120.00%
Coverage: 100.00%
Expected: 100.00%
REPORT
end
context 'and partial coverage' do
let(:mutation_result_success) { false }
context 'on evil mutation' do
context 'with a diff' do
it_reports(<<-REPORT)
subject_id
- test_id
mutation_id-a
@@ -1,2 +1,2 @@
-true
+false
-----------------------
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
Available Subjects: 1
Subjects: 1
Mutations: 1
Kills: 0
Alive: 1
Runtime: 1.10s
Killtime: 0.50s
Overhead: 120.00%
Coverage: 0.00%
Expected: 100.00%
REPORT
end
context 'without a diff' do
let(:mutation_source) { 'true' }
it_reports(<<-REPORT)
subject_id
- test_id
mutation_id-a
Original source:
true
Mutated Source:
true
BUG: Mutation NOT resulted in exactly one diff. Please report a reproduction!
-----------------------
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
Available Subjects: 1
Subjects: 1
Mutations: 1
Kills: 0
Alive: 1
Runtime: 1.10s
Killtime: 0.50s
Overhead: 120.00%
Coverage: 0.00%
Expected: 100.00%
REPORT
end
end
context 'on neutral mutation' do
let(:mutation_class) { Mutant::Mutation::Neutral }
let(:mutation_source) { 'true' }
it_reports(<<-REPORT)
subject_id
- test_id
mutation_id-a
--- Neutral failure ---
Original code was inserted unmutated. And the test did NOT PASS.
Your tests do not pass initially or you found a bug in mutant / unparser.
Subject AST:
(true)
Unparsed Source:
true
Test Reports: 1
- test_id / runtime: 1.0
Test Output:
test-output
-----------------------
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
Available Subjects: 1
Subjects: 1
Mutations: 1
Kills: 0
Alive: 1
Runtime: 1.10s
Killtime: 0.50s
Overhead: 120.00%
Coverage: 0.00%
Expected: 100.00%
REPORT
end
context 'on noop mutation' do
let(:mutation_class) { Mutant::Mutation::Noop }
it_reports(<<-REPORT)
subject_id
- test_id
mutation_id-a
---- Noop failure -----
No code was inserted. And the test did NOT PASS.
This is typically a problem of your specs not passing unmutated.
Test Reports: 1
- test_id / runtime: 1.0
Test Output:
test-output
-----------------------
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: []
Requires: []
Available Subjects: 1
Subjects: 1
Mutations: 1
Kills: 0
Alive: 1
Runtime: 1.10s
Killtime: 0.50s
Overhead: 120.00%
Coverage: 0.00%
Expected: 100.00%
REPORT
end
end
context 'without subjects' do
let(:subjects) { [] }
let(:subject_results) { [] }
let(:config) { Mutant::Config::DEFAULT.update(jobs: 1, includes: %w[include-dir], requires: %w[require-name]) }
it_reports(<<-REPORT)
Mutant configuration:
Matcher: #<Mutant::Matcher::Config match_expressions=[] subject_ignores=[] subject_selects=[]>
Integration: null
Expect Coverage: 100.00%
Jobs: 1
Includes: ["include-dir"]
Requires: ["require-name"]
Available Subjects: 0
Subjects: 0
Mutations: 0
Kills: 0
Alive: 0
Runtime: 1.10s
Killtime: 0.00s
Overhead: Inf%
Coverage: 0.00%
Expected: 100.00%
REPORT
end
end
end
end