56 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
| /*
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| Copyright 2024 New Vector Ltd.
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| Copyright 2022 The Matrix.org Foundation C.I.C.
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| 
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| SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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| Please see LICENSE files in the repository root for full details.
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| */
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| 
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| import { SnakedObject, snakeToCamel } from "../../src/utils/SnakedObject";
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| 
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| describe("snakeToCamel", () => {
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|     it("should convert snake_case to camelCase in simple scenarios", () => {
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|         expect(snakeToCamel("snake_case")).toBe("snakeCase");
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|         expect(snakeToCamel("snake_case_but_longer")).toBe("snakeCaseButLonger");
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|         expect(snakeToCamel("numbered_123")).toBe("numbered123"); // not a thing we would see normally
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|     });
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| 
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|     // Not really something we expect to see, but it's defined behaviour of the function
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|     it("should not camelCase a trailing or leading underscore", () => {
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|         expect(snakeToCamel("_snake")).toBe("_snake");
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|         expect(snakeToCamel("snake_")).toBe("snake_");
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|         expect(snakeToCamel("_snake_case")).toBe("_snakeCase");
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|         expect(snakeToCamel("snake_case_")).toBe("snakeCase_");
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|     });
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| 
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|     // Another thing we don't really expect to see, but is "defined behaviour"
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|     it("should be predictable with double underscores", () => {
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|         expect(snakeToCamel("__snake__")).toBe("_Snake_");
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|         expect(snakeToCamel("snake__case")).toBe("snake_case");
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|     });
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| });
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| 
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| describe("SnakedObject", () => {
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|     /* eslint-disable camelcase*/
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|     const input = {
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|         snake_case: "woot",
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|         snakeCase: "oh no", // ensure different value from snake_case for tests
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|         camelCase: "fallback",
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|     };
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|     const snake = new SnakedObject(input);
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|     /* eslint-enable camelcase*/
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| 
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|     it("should prefer snake_case keys", () => {
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|         expect(snake.get("snake_case")).toBe(input.snake_case);
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|         expect(snake.get("snake_case", "camelCase")).toBe(input.snake_case);
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|     });
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| 
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|     it("should fall back to camelCase keys when needed", () => {
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|         // @ts-ignore - we're deliberately supplying a key that doesn't exist
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|         expect(snake.get("camel_case")).toBe(input.camelCase);
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| 
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|         // @ts-ignore - we're deliberately supplying a key that doesn't exist
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|         expect(snake.get("e_no_exist", "camelCase")).toBe(input.camelCase);
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|     });
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| });
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