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std/examples/catj_test.ts

Deno standard library
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The Standard Library has been moved to JSR. See the blog post for details.
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import { assertStrictEquals } from "../testing/asserts.ts";import { dirname, fromFileUrl } from "../path/mod.ts";
const moduleDir = dirname(fromFileUrl(import.meta.url));
Deno.test("[examples/catj] print an array", async () => { const decoder = new TextDecoder(); const process = catj("testdata/catj/array.json");
await process.stdin.close(); const { stdout } = await process.output(); const actual = decoder.decode(stdout).trim(); const expected = [ '.[0] = "string"', ".[1] = 100", '.[2].key = "value"', '.[2].array[0] = "foo"', '.[2].array[1] = "bar"', ].join("\n");
assertStrictEquals(actual, expected);});
Deno.test("[examples/catj] print an object", async () => { const decoder = new TextDecoder(); const process = catj("testdata/catj/object.json");
await process.stdin.close(); const { stdout } = await process.output(); const actual = decoder.decode(stdout).trim(); const expected = [ '.string = "foobar"', ".number = 123", '.array[0].message = "hello"', ].join("\n");
assertStrictEquals(actual, expected);});
Deno.test("[examples/catj] print multiple files", async () => { const decoder = new TextDecoder(); const process = catj( "testdata/catj/simple-object.json", "testdata/catj/simple-array.json", );
await process.stdin.close(); const { stdout } = await process.output(); const actual = decoder.decode(stdout).trim(); const expected = ['.message = "hello"', ".[0] = 1", ".[1] = 2"].join("\n");
assertStrictEquals(actual, expected);});
Deno.test("[examples/catj] read from stdin", async () => { const decoder = new TextDecoder(); const process = catj("-"); const input = `{ "foo": "bar" }`;
const writer = process.stdin.getWriter(); await writer.write(new TextEncoder().encode(input)); writer.releaseLock(); await process.stdin.close(); const { stdout } = await process.output(); const actual = decoder.decode(stdout).trim();
assertStrictEquals(actual, '.foo = "bar"');});
function catj( ...files: string[]): Deno.Child { return Deno.spawnChild(Deno.execPath(), { args: [ "run", "--quiet", "--allow-read", "catj.ts", ...files, ], cwd: moduleDir, stdin: "piped", env: { NO_COLOR: "true" }, });}