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Merge pull request #383 from mbj/fix/exit-on-zero-subjects

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Change coverage on zero results to be 100%
This commit is contained in:
Dan Kubb 2015-07-22 14:22:22 -07:00
commit c0157bf796
8 changed files with 18 additions and 26 deletions
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2
config/flay.yml
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@ -1,3 +1,3 @@
---
threshold: 18
total_score: 1196
total_score: 1204

26
lib/mutant/result.rb
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@ -4,6 +4,8 @@ module Mutant
# Coverage mixin
module Coverage
FULL_COVERAGE = Rational(1).freeze
private_constant(*constants(false))
# Observed coverage
#
@ -11,24 +13,12 @@ module Mutant
#
# @api private
def coverage
return Rational(0) if amount_mutation_results.zero?
Rational(amount_mutations_killed, amount_mutation_results)
if amount_mutation_results.zero?
FULL_COVERAGE
else
Rational(amount_mutations_killed, amount_mutation_results)
end
end
# Hook called when module gets included
#
# @param [Class, Module] host
#
# @return [undefined]
#
# @api private
def self.included(host)
super
host.memoize(:coverage)
end
end # Coverage
# Class level mixin
@ -53,6 +43,8 @@ module Mutant
end
end # ClassMethods
private_constant(*constants(false))
# Mutant overhead running mutatet tests
#
# This is NOT the overhead of mutation testing, just an engine specific

2
spec/unit/mutant/reporter/cli/printer/env_progress_spec.rb
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@ -24,7 +24,7 @@ RSpec.describe Mutant::Reporter::CLI::Printer::EnvProgress do
Runtime: 4.00s
Killtime: 0.00s
Overhead: Inf%
Coverage: 0.00%
Coverage: 100.00%
Expected: 10.00%
STR
end

4
spec/unit/mutant/reporter/cli/printer/status_progressive_spec.rb
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@ -8,14 +8,14 @@ RSpec.describe Mutant::Reporter::CLI::Printer::StatusProgressive do
update(:env_result) { { subject_results: [] } }
it_reports <<-REPORT
(00/02) 0% - killtime: 0.00s runtime: 4.00s overhead: 4.00s
(00/02) 100% - killtime: 0.00s runtime: 4.00s overhead: 4.00s
REPORT
context 'on non default coverage expectation' do
update(:config) { { expected_coverage: 0.1r } }
it_reports <<-REPORT
(00/02) 0% - killtime: 0.00s runtime: 4.00s overhead: 4.00s
(00/02) 100% - killtime: 0.00s runtime: 4.00s overhead: 4.00s
REPORT
end
end

4
spec/unit/mutant/reporter/cli/printer/status_spec.rb
View file

@ -22,7 +22,7 @@ RSpec.describe Mutant::Reporter::CLI::Printer::Status do
Runtime: 4.00s
Killtime: 0.00s
Overhead: Inf%
Coverage: 0.00%
Coverage: 100.00%
Expected: 100.00%
Active subjects: 0
REPORT
@ -45,7 +45,7 @@ RSpec.describe Mutant::Reporter::CLI::Printer::Status do
Runtime: 4.00s
Killtime: 0.00s
Overhead: Inf%
Coverage: 0.00%
Coverage: 100.00%
Expected: 10.00%
Active subjects: 0
REPORT

2
spec/unit/mutant/reporter/cli/printer/subject_progress_spec.rb
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@ -29,7 +29,7 @@ RSpec.describe Mutant::Reporter::CLI::Printer::SubjectProgress do
it_reports <<-'STR'
subject-a mutations: 2
(00/02) 0% - killtime: 0.00s runtime: 0.00s overhead: 0.00s
(00/02) 100% - killtime: 0.00s runtime: 0.00s overhead: 0.00s
- test-a
STR
end

2
spec/unit/mutant/reporter/cli_spec.rb
View file

@ -208,7 +208,7 @@ RSpec.describe Mutant::Reporter::CLI do
let(:tty?) { true }
it_reports Mutant::Color::RED.format('(00/02) 0% - killtime: 0.00s runtime: 4.00s overhead: 4.00s') << "\n"
it_reports Mutant::Color::GREEN.format('(00/02) 100% - killtime: 0.00s runtime: 4.00s overhead: 4.00s') << "\n"
end
context 'with last mutation present' do

2
spec/unit/mutant/result/env_spec.rb
View file

@ -61,7 +61,7 @@ RSpec.describe Mutant::Result::Env do
context 'when there are no results' do
let(:results) { 0 }
it { should eql(Rational(0)) }
it { should eql(Rational(1)) }
end
context 'when there are no kills' do