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test(middleware-flexible-checksums): flexibleChecksumsResponseMiddlew…
…are.spec.ts (#5342)
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packages/middleware-flexible-checksums/src/flexibleChecksumsResponseMiddleware.spec.ts
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import { HttpRequest } from "@smithy/protocol-http"; | ||
import { DeserializeHandlerArguments } from "@smithy/types"; | ||
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import { PreviouslyResolved } from "./configuration"; | ||
import { flexibleChecksumsResponseMiddleware } from "./flexibleChecksumsResponseMiddleware"; | ||
import { FlexibleChecksumsMiddlewareConfig } from "./getFlexibleChecksumsPlugin"; | ||
import { isStreaming } from "./isStreaming"; | ||
import { validateChecksumFromResponse } from "./validateChecksumFromResponse"; | ||
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jest.mock("@smithy/protocol-http"); | ||
jest.mock("./isStreaming"); | ||
jest.mock("./validateChecksumFromResponse"); | ||
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describe(flexibleChecksumsResponseMiddleware.name, () => { | ||
const mockNext = jest.fn(); | ||
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const mockInput = {}; | ||
const mockConfig = {} as PreviouslyResolved; | ||
const mockRequestValidationModeMember = "ChecksumEnabled"; | ||
const mockMiddlewareConfig = { | ||
input: mockInput, | ||
requestChecksumRequired: false, | ||
requestValidationModeMember: mockRequestValidationModeMember, | ||
}; | ||
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const mockRequest = {}; | ||
const mockArgs = { input: mockInput, request: mockRequest } as DeserializeHandlerArguments<any>; | ||
const mockResult = { response: { body: "mockResponsebody" } }; | ||
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beforeEach(() => { | ||
mockNext.mockResolvedValueOnce(mockResult); | ||
const { isInstance } = HttpRequest; | ||
(isInstance as unknown as jest.Mock).mockReturnValue(true); | ||
(isStreaming as jest.Mock).mockReturnValue(false); | ||
}); | ||
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afterEach(() => { | ||
expect(mockNext).toHaveBeenCalledTimes(1); | ||
jest.clearAllMocks(); | ||
}); | ||
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describe("skips", () => { | ||
it("if not an instance of HttpRequest", async () => { | ||
const { isInstance } = HttpRequest; | ||
(isInstance as unknown as jest.Mock).mockReturnValue(false); | ||
const handler = flexibleChecksumsResponseMiddleware(mockConfig, mockMiddlewareConfig)(mockNext, {}); | ||
await handler(mockArgs); | ||
expect(validateChecksumFromResponse).not.toHaveBeenCalled(); | ||
}); | ||
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describe("response checksum", () => { | ||
it("if requestValidationModeMember is not defined", async () => { | ||
const mockMwConfig = Object.assign({}, mockMiddlewareConfig) as FlexibleChecksumsMiddlewareConfig; | ||
delete mockMwConfig.requestValidationModeMember; | ||
const handler = flexibleChecksumsResponseMiddleware(mockConfig, mockMwConfig)(mockNext, {}); | ||
await handler(mockArgs); | ||
expect(validateChecksumFromResponse).not.toHaveBeenCalled(); | ||
}); | ||
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it("if requestValidationModeMember is not enabled in input", async () => { | ||
const handler = flexibleChecksumsResponseMiddleware(mockConfig, mockMiddlewareConfig)(mockNext, {}); | ||
await handler(mockArgs); | ||
expect(validateChecksumFromResponse).not.toHaveBeenCalled(); | ||
}); | ||
}); | ||
}); | ||
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it("validates checksum from the response header", async () => { | ||
const mockInput = { [mockRequestValidationModeMember]: "ENABLED" }; | ||
const mockResponseAlgorithms = ["ALGO1", "ALGO2"]; | ||
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const handler = flexibleChecksumsResponseMiddleware(mockConfig, { | ||
...mockMiddlewareConfig, | ||
input: mockInput, | ||
responseAlgorithms: mockResponseAlgorithms, | ||
})(mockNext, {}); | ||
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await handler({ ...mockArgs, input: mockInput }); | ||
expect(validateChecksumFromResponse).toHaveBeenCalledWith(mockResult.response, { | ||
config: mockConfig, | ||
responseAlgorithms: mockResponseAlgorithms, | ||
}); | ||
}); | ||
}); |