UNPKG

binary-data

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Declarative binary data encoder / decoder.

github.com/reklatsmasters/binary-data

reklatsmasters/binary-data

1 lines • 5.88 kB
1
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strict';\n\nconst when = require('types/when');\nconst symbols = require('internal/symbols');\n\ndescribe('when', () => {\n test('encode positive', () => {\n const childBytes = 3;\n const childValue = 12;\n const wstream = {};\n\n const childType = {\n encode: jest.fn().mockImplementation(() => {\n childType.encode.bytes = childBytes;\n }),\n decode() {},\n };\n\n const context = {};\n\n const type = when(() => true, childType);\n\n type.encode(childValue, wstream, context);\n\n expect(type.encode.bytes).toEqual(childBytes);\n expect(type[symbols.skip]).toEqual(false);\n expect(childType.encode).toHaveBeenCalledTimes(1);\n });\n\n test('encode negative', () => {\n const childBytes = 3;\n const childValue = 12;\n const wstream = {};\n\n const childType = {\n encode: jest.fn().mockImplementation(() => {\n childType.encode.bytes = childBytes;\n }),\n decode() {},\n };\n\n const context = {};\n\n const type = when(() => false, childType);\n\n type.encode(childValue, wstream, context);\n\n expect(type.encode.bytes).toEqual(0);\n expect(type[symbols.skip]).toEqual(true);\n expect(childType.encode).toHaveBeenCalledTimes(0);\n });\n\n test('encodingLength positive', () => {\n const value = 123;\n const bytes = 10;\n\n const childType = {\n decode() {},\n encode() {},\n encodingLength() {\n return bytes;\n },\n };\n\n const type = when(() => true, childType);\n\n expect(type.encodingLength(value)).toBe(bytes);\n });\n\n test('encodingLength negative', () => {\n const value = 123;\n const bytes = 10;\n\n const childType = {\n decode() {},\n encode() {},\n encodingLength() {\n return bytes;\n },\n };\n\n const type = when(() => false, childType);\n\n expect(type.encodingLength(value)).toBe(0);\n });\n\n test('decode positive', () => {\n const childBytes = 3;\n const childValue = 12;\n\n const childType = {\n decode: () => childValue,\n encode() {},\n };\n\n childType.decode.bytes = childBytes;\n\n const type = when(() => true, childType);\n\n expect(type.decode({})).toEqual(childValue);\n expect(type.decode.bytes).toEqual(childBytes);\n expect(type[symbols.skip]).toEqual(false);\n });\n\n test('decode negative', () => {\n const childBytes = 3;\n const childValue = 12;\n\n const childType = {\n decode: () => childValue,\n encode() {},\n };\n\n childType.decode.bytes = childBytes;\n\n const type = when(() => false, childType);\n\n expect(type.decode({})).toEqual(undefined);\n expect(type.decode.bytes).toEqual(0);\n expect(type[symbols.skip]).toEqual(true);\n });\n});\n"]}