From fe9ac35a650dfeea9168fc1cbbbf323b5689fc3b Mon Sep 17 00:00:00 2001
From: uki00a <uki00a@gmail.com>
Date: Mon, 24 Feb 2020 22:31:40 +0900
Subject: fix(std/examples): add tests for examples (#4094)

---
 std/examples/tests/catj_test.ts | 83 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 std/examples/tests/catj_test.ts

(limited to 'std/examples/tests/catj_test.ts')

diff --git a/std/examples/tests/catj_test.ts b/std/examples/tests/catj_test.ts
new file mode 100644
index 000000000..9267f532b
--- /dev/null
+++ b/std/examples/tests/catj_test.ts
@@ -0,0 +1,83 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+import { assertStrictEq } from "../../testing/asserts.ts";
+
+Deno.test("[examples/catj] print an array", async () => {
+  const decoder = new TextDecoder();
+  const process = catj("testdata/catj/array.json");
+  try {
+    const output = await Deno.readAll(process.stdout!);
+    const actual = decoder.decode(output).trim();
+    const expected = [
+      '.[0] = "string"',
+      ".[1] = 100",
+      '.[2].key = "value"',
+      '.[2].array[0] = "foo"',
+      '.[2].array[1] = "bar"'
+    ].join("\n");
+
+    assertStrictEq(actual, expected);
+  } finally {
+    process.close();
+  }
+});
+
+Deno.test("[examples/catj] print an object", async () => {
+  const decoder = new TextDecoder();
+  const process = catj("testdata/catj/object.json");
+  try {
+    const output = await Deno.readAll(process.stdout!);
+    const actual = decoder.decode(output).trim();
+    const expected = [
+      '.string = "foobar"',
+      ".number = 123",
+      '.array[0].message = "hello"'
+    ].join("\n");
+
+    assertStrictEq(actual, expected);
+  } finally {
+    process.close();
+  }
+});
+
+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"
+  );
+  try {
+    const output = await Deno.readAll(process.stdout!);
+    const actual = decoder.decode(output).trim();
+    const expected = ['.message = "hello"', ".[0] = 1", ".[1] = 2"].join("\n");
+
+    assertStrictEq(actual, expected);
+  } finally {
+    process.close();
+  }
+});
+
+Deno.test("[examples/catj] read from stdin", async () => {
+  const decoder = new TextDecoder();
+  const process = catj("-");
+  const input = `{ "foo": "bar" }`;
+  try {
+    await process.stdin!.write(new TextEncoder().encode(input));
+    process.stdin!.close();
+    const output = await Deno.readAll(process.stdout!);
+    const actual = decoder.decode(output).trim();
+
+    assertStrictEq(actual, '.foo = "bar"');
+  } finally {
+    process.close();
+  }
+});
+
+function catj(...files: string[]): Deno.Process {
+  return Deno.run({
+    args: [Deno.execPath(), "--allow-read", "catj.ts", ...files],
+    cwd: "examples",
+    stdin: "piped",
+    stdout: "piped",
+    env: { NO_COLOR: "true" }
+  });
+}
-- 
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