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dbc

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Design by contract and type checking assertions

liammclennan/dbc

52 lines (39 loc) • 1.47 kB
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describe 'dbc type validation', -> dbc = require '../dbc' describe 'type validation', -> describe 'non-nullable type', -> describe 'with null value', -> spec = a: [{validator:'type', args:['string']}] o = a: null it 'should fail', -> expect(-> dbc.check o,spec).toThrow() describe 'with undefined value', -> spec = a: [{validator:'type', args:['string']}] o = a: undefined it 'should fail', -> expect(-> dbc.check o,spec).toThrow() describe 'nullable with null value', -> spec = a: [{validator:'type',args:['string?']}] o = a: null it 'should pass', -> dbc.check o,spec describe 'nullable with undefined value', -> spec = a: [{validator:'type',args:['string?']}] o = a: undefined it 'should pass', -> dbc.check o,spec describe 'unknown type', -> spec = a: [{validator:'type', args:['sfsydfsdf']}] o = a: 'sfasd' it 'should fail', -> expect(-> dbc.check o,spec).toThrow()