Merge branch 'std_modified' into merge_std3

1 files changed, 107 insertions, 0 deletions

diff --git a/std/fs/ensure_file_test.ts b/std/fs/ensure_file_test.ts
new file mode 100644
index 000000000..56f180786
--- /dev/null
+++ b/std/fs/ensure_file_test.ts
@@ -0,0 +1,107 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import { test } from "../testing/mod.ts";
+import { assertThrows, assertThrowsAsync } from "../testing/asserts.ts";
+import { ensureFile, ensureFileSync } from "./ensure_file.ts";
+import * as path from "./path/mod.ts";
+
+const testdataDir = path.resolve("fs", "testdata");
+
+test(async function ensureFileIfItNotExist(): Promise<void> {
+  const testDir = path.join(testdataDir, "ensure_file_1");
+  const testFile = path.join(testDir, "test.txt");
+
+  await ensureFile(testFile);
+
+  await assertThrowsAsync(
+    async (): Promise<void> => {
+      await Deno.stat(testFile).then((): void => {
+        throw new Error("test file should exists.");
+      });
+    }
+  );
+
+  await Deno.remove(testDir, { recursive: true });
+});
+
+test(function ensureFileSyncIfItNotExist(): void {
+  const testDir = path.join(testdataDir, "ensure_file_2");
+  const testFile = path.join(testDir, "test.txt");
+
+  ensureFileSync(testFile);
+
+  assertThrows((): void => {
+    Deno.statSync(testFile);
+    throw new Error("test file should exists.");
+  });
+
+  Deno.removeSync(testDir, { recursive: true });
+});
+
+test(async function ensureFileIfItExist(): Promise<void> {
+  const testDir = path.join(testdataDir, "ensure_file_3");
+  const testFile = path.join(testDir, "test.txt");
+
+  await Deno.mkdir(testDir, true);
+  await Deno.writeFile(testFile, new Uint8Array());
+
+  await ensureFile(testFile);
+
+  await assertThrowsAsync(
+    async (): Promise<void> => {
+      await Deno.stat(testFile).then((): void => {
+        throw new Error("test file should exists.");
+      });
+    }
+  );
+
+  await Deno.remove(testDir, { recursive: true });
+});
+
+test(function ensureFileSyncIfItExist(): void {
+  const testDir = path.join(testdataDir, "ensure_file_4");
+  const testFile = path.join(testDir, "test.txt");
+
+  Deno.mkdirSync(testDir, true);
+  Deno.writeFileSync(testFile, new Uint8Array());
+
+  ensureFileSync(testFile);
+
+  assertThrows((): void => {
+    Deno.statSync(testFile);
+    throw new Error("test file should exists.");
+  });
+
+  Deno.removeSync(testDir, { recursive: true });
+});
+
+test(async function ensureFileIfItExistAsDir(): Promise<void> {
+  const testDir = path.join(testdataDir, "ensure_file_5");
+
+  await Deno.mkdir(testDir, true);
+
+  await assertThrowsAsync(
+    async (): Promise<void> => {
+      await ensureFile(testDir);
+    },
+    Error,
+    `Ensure path exists, expected 'file', got 'dir'`
+  );
+
+  await Deno.remove(testDir, { recursive: true });
+});
+
+test(function ensureFileSyncIfItExistAsDir(): void {
+  const testDir = path.join(testdataDir, "ensure_file_6");
+
+  Deno.mkdirSync(testDir, true);
+
+  assertThrows(
+    (): void => {
+      ensureFileSync(testDir);
+    },
+    Error,
+    `Ensure path exists, expected 'file', got 'dir'`
+  );
+
+  Deno.removeSync(testDir, { recursive: true });
+});