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require_relative '../../spec_helper'
require 'coverage'
describe 'Coverage.result' do
before :all do
@class_file = fixture __FILE__, 'some_class.rb'
@config_file = fixture __FILE__, 'start_coverage.rb'
@eval_code_file = fixture __FILE__, 'eval_code.rb'
end
after :each do
$LOADED_FEATURES.delete(@class_file)
$LOADED_FEATURES.delete(@config_file)
$LOADED_FEATURES.delete(@eval_code_file)
end
it 'gives the covered files as a hash with arrays of count or nil' do
Coverage.start
require @class_file.chomp('.rb')
result = Coverage.result
result.should == {
@class_file => [
nil, nil, 1, nil, nil, 1, nil, nil, 0, nil, nil, nil, nil, nil, nil, nil
]
}
end
it 'no requires/loads should give empty hash' do
Coverage.start
result = Coverage.result
result.should == {}
end
it 'second call should give exception' do
Coverage.start
require @class_file.chomp('.rb')
Coverage.result
-> {
Coverage.result
}.should raise_error(RuntimeError, 'coverage measurement is not enabled')
end
it 'second run should give same result' do
Coverage.start
load @class_file
result1 = Coverage.result
Coverage.start
load @class_file
result2 = Coverage.result
result2.should == result1
end
it 'second run without load/require should give empty hash' do
Coverage.start
require @class_file.chomp('.rb')
Coverage.result
Coverage.start
result = Coverage.result
result.should == {}
end
ruby_version_is ''...'3.1' do
it 'second Coverage.start does nothing' do
Coverage.start
require @config_file.chomp('.rb')
result = Coverage.result
result.should == { @config_file => [1, 1, 1] }
end
end
ruby_version_is '3.1' do
it 'second Coverage.start give exception' do
Coverage.start
-> {
require @config_file.chomp('.rb')
}.should raise_error(RuntimeError, 'coverage measurement is already setup')
ensure
Coverage.result
end
end
it 'does not include the file starting coverage since it is not tracked' do
require @config_file.chomp('.rb')
Coverage.result.should_not include(@config_file)
end
ruby_version_is '3.1'...'3.2' do
it 'returns the correct results when eval is used' do
Coverage.start
require @eval_code_file.chomp('.rb')
result = Coverage.result
result.should == {
@eval_code_file => [
1, nil, 1, nil, 1, nil, nil, nil, nil, nil, 1
]
}
end
end
ruby_version_is '3.2' do
it 'indicates support for different features' do
Coverage.supported?(:lines).should == true
end
it 'returns the correct results when eval coverage is enabled' do
Coverage.supported?(:eval).should == true
Coverage.start(lines: true, eval: true)
require @eval_code_file.chomp('.rb')
result = Coverage.result
result.should == {
@eval_code_file => {
lines: [1, nil, 1, nil, 1, 1, nil, nil, nil, nil, 1]
}
}
end
it 'returns the correct results when eval coverage is enabled' do
Coverage.supported?(:eval).should == true
Coverage.start(lines: true, eval: false)
require @eval_code_file.chomp('.rb')
result = Coverage.result
result.should == {
@eval_code_file => {
lines: [1, nil, 1, nil, 1, nil, nil, nil, nil, nil, 1]
}
}
end
end
end
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