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added(n4s): add custom message support to lazy enforcements
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,60 @@ | ||
import enforce from 'enforce'; | ||
import ruleReturn from 'ruleReturn'; | ||
|
||
describe('enforce..message()', () => { | ||
it('Should set the failure message in builtin rules', () => { | ||
expect( | ||
enforce.equals(false).message('oof. Expected true to be false').run(true) | ||
).toEqual(ruleReturn(false, 'oof. Expected true to be false')); | ||
|
||
expect( | ||
enforce | ||
.equals(false) | ||
.message(() => 'oof. Expected true to be false') | ||
.run(true) | ||
).toEqual(ruleReturn(false, 'oof. Expected true to be false')); | ||
}); | ||
|
||
it('Should set the failure message in custom rules', () => { | ||
expect( | ||
enforce.ruleWithFailureMessage().message('oof. Failed again!').run() | ||
).toEqual(ruleReturn(false, 'oof. Failed again!')); | ||
|
||
expect( | ||
enforce | ||
.ruleWithFailureMessage() | ||
.message(() => 'oof. Failed again!') | ||
.run() | ||
).toEqual(ruleReturn(false, 'oof. Failed again!')); | ||
}); | ||
|
||
describe('.message callback', () => { | ||
it('Should be passed the rule value as the first argument', () => { | ||
const msg = jest.fn(() => 'some message'); | ||
const arg = {}; | ||
expect(enforce.equals(false).message(msg).run(arg)).toEqual( | ||
ruleReturn(false, 'some message') | ||
); | ||
expect(msg).toHaveBeenCalledWith(arg, undefined); | ||
}); | ||
|
||
it('Should pass original messageas the second argument if exists', () => { | ||
const msg = jest.fn(() => 'some message'); | ||
const arg = {}; | ||
expect( | ||
enforce | ||
.ruleWithFailureMessage(false) | ||
.message(msg) | ||
.run(arg, 'original message') | ||
).toEqual(ruleReturn(false, 'some message')); | ||
expect(msg).toHaveBeenCalledWith(arg, 'This should not be seen!'); | ||
}); | ||
}); | ||
}); | ||
|
||
enforce.extend({ | ||
ruleWithFailureMessage: () => ({ | ||
pass: false, | ||
message: 'This should not be seen!', | ||
}), | ||
}); |
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