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std/fs/read_json_test.ts

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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.import { assertEquals, assertThrowsAsync, assertThrows,} from "../testing/asserts.ts";import * as path from "../path/mod.ts";import { readJson, readJsonSync } from "./read_json.ts";
const testdataDir = path.resolve("fs", "testdata");
Deno.test(async function readJsonFileNotExists(): Promise<void> { const emptyJsonFile = path.join(testdataDir, "json_not_exists.json");
await assertThrowsAsync( async (): Promise<void> => { await readJson(emptyJsonFile); } );});
Deno.test(async function readEmptyJsonFile(): Promise<void> { const emptyJsonFile = path.join(testdataDir, "json_empty.json");
await assertThrowsAsync( async (): Promise<void> => { await readJson(emptyJsonFile); } );});
Deno.test(async function readInvalidJsonFile(): Promise<void> { const invalidJsonFile = path.join(testdataDir, "json_invalid.json");
await assertThrowsAsync( async (): Promise<void> => { await readJson(invalidJsonFile); } );});
Deno.test(async function readValidArrayJsonFile(): Promise<void> { const invalidJsonFile = path.join(testdataDir, "json_valid_array.json");
const json = await readJson(invalidJsonFile);
assertEquals(json, ["1", "2", "3"]);});
Deno.test(async function readValidObjJsonFile(): Promise<void> { const invalidJsonFile = path.join(testdataDir, "json_valid_obj.json");
const json = await readJson(invalidJsonFile);
assertEquals(json, { key1: "value1", key2: "value2" });});
Deno.test(async function readValidObjJsonFileWithRelativePath(): Promise<void> { const json = await readJson("./fs/testdata/json_valid_obj.json");
assertEquals(json, { key1: "value1", key2: "value2" });});
Deno.test(function readJsonFileNotExistsSync(): void { const emptyJsonFile = path.join(testdataDir, "json_not_exists.json");
assertThrows((): void => { readJsonSync(emptyJsonFile); });});
Deno.test(function readEmptyJsonFileSync(): void { const emptyJsonFile = path.join(testdataDir, "json_empty.json");
assertThrows((): void => { readJsonSync(emptyJsonFile); });});
Deno.test(function readInvalidJsonFile(): void { const invalidJsonFile = path.join(testdataDir, "json_invalid.json");
assertThrows((): void => { readJsonSync(invalidJsonFile); });});
Deno.test(function readValidArrayJsonFileSync(): void { const invalidJsonFile = path.join(testdataDir, "json_valid_array.json");
const json = readJsonSync(invalidJsonFile);
assertEquals(json, ["1", "2", "3"]);});
Deno.test(function readValidObjJsonFileSync(): void { const invalidJsonFile = path.join(testdataDir, "json_valid_obj.json");
const json = readJsonSync(invalidJsonFile);
assertEquals(json, { key1: "value1", key2: "value2" });});
Deno.test(function readValidObjJsonFileSyncWithRelativePath(): void { const json = readJsonSync("./fs/testdata/json_valid_obj.json");
assertEquals(json, { key1: "value1", key2: "value2" });});