Reenable std tests that were disabled during merge (#3159)

2 files changed, 419 insertions, 12 deletions

diff --git a/std/installer/test.ts b/std/installer/test.ts
index a1257183c..3e6572485 100644
--- a/std/installer/test.ts
+++ b/std/installer/test.ts
@@ -1,11 +1,404 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-import { test, runIfMain } from "../testing/mod.ts";
-import { assert } from "../testing/asserts.ts";
-import { isRemoteUrl } from "./mod.ts";
+const { run, stat, makeTempDir, remove, env, readAll } = Deno;
 
-// TODO(ry) Many installer tests were removed in order to get deno_std to merge
-// into the deno repo. Bring them back.
-// https://github.com/denoland/deno_std/blob/98784c305c653b1c507b4b25be82ecf40f188305/installer/test.ts
+import { test, runIfMain, TestFunction } from "../testing/mod.ts";
+import { assert, assertEquals } from "../testing/asserts.ts";
+import { BufReader } from "../io/bufio.ts";
+import { TextProtoReader } from "../textproto/mod.ts";
+import * as path from "../path/mod.ts";
+import * as fs from "../fs/mod.ts";
+import { install, isRemoteUrl } from "./mod.ts";
+
+let fileServer: Deno.Process;
+
+// copied from `http/file_server_test.ts`
+async function startFileServer(): Promise<void> {
+  fileServer = run({
+    args: [
+      Deno.execPath(),
+      "run",
+      "--allow-read",
+      "--allow-net",
+      "http/file_server.ts",
+      ".",
+      "--cors"
+    ],
+    stdout: "piped"
+  });
+  // Once fileServer is ready it will write to its stdout.
+  const r = new TextProtoReader(new BufReader(fileServer.stdout!));
+  const s = await r.readLine();
+  assert(s !== Deno.EOF && s.includes("server listening"));
+}
+
+function killFileServer(): void {
+  fileServer.close();
+  fileServer.stdout!.close();
+}
+
+function installerTest(t: TestFunction, useOriginHomeDir = false): void {
+  const fn = async (): Promise<void> => {
+    await startFileServer();
+    const tempDir = await makeTempDir();
+    const envVars = env();
+    const originalHomeDir = envVars["HOME"];
+    if (!useOriginHomeDir) {
+      envVars["HOME"] = tempDir;
+    }
+
+    try {
+      await t();
+    } finally {
+      killFileServer();
+      await remove(tempDir, { recursive: true });
+      if (originalHomeDir) {
+        envVars["HOME"] = originalHomeDir;
+      }
+    }
+  };
+
+  test(fn);
+}
+
+installerTest(async function installBasic(): Promise<void> {
+  await install(
+    "echo_test",
+    "http://localhost:4500/installer/testdata/echo.ts",
+    []
+  );
+
+  const { HOME } = env();
+  const filePath = path.resolve(HOME, ".deno/bin/echo_test");
+  const fileInfo = await stat(filePath);
+  assert(fileInfo.isFile());
+
+  if (path.isWindows) {
+    assertEquals(
+      await fs.readFileStr(filePath + ".cmd"),
+      /* eslint-disable max-len */
+      `% This executable is generated by Deno. Please don't modify it unless you know what it means. %
+@IF EXIST "%~dp0\deno.exe" (
+  "%~dp0\deno.exe" "run" "http://localhost:4500/installer/testdata/echo.ts" %*
+) ELSE (
+  @SETLOCAL
+  @SET PATHEXT=%PATHEXT:;.TS;=;%
+  "deno" "run" "http://localhost:4500/installer/testdata/echo.ts" %*
+)
+`
+      /* eslint-enable max-len */
+    );
+  }
+
+  assertEquals(
+    await fs.readFileStr(filePath),
+    /* eslint-disable max-len */
+    `#!/bin/sh
+# This executable is generated by Deno. Please don't modify it unless you know what it means.
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\\\,/,g')")
+
+case \`uname\` in
+  *CYGWIN*) basedir=\`cygpath -w "$basedir"\`;;
+esac
+
+if [ -x "$basedir/deno" ]; then
+  "$basedir/deno" "run" "http://localhost:4500/installer/testdata/echo.ts" "$@"
+  ret=$?
+else
+  "deno" "run" "http://localhost:4500/installer/testdata/echo.ts" "$@"
+  ret=$?
+fi
+exit $ret
+`
+    /* eslint-enable max-len */
+  );
+});
+
+installerTest(async function installCustomDir(): Promise<void> {
+  const tempDir = await makeTempDir();
+
+  await install(
+    "echo_test",
+    "http://localhost:4500/installer/testdata/echo.ts",
+    [],
+    tempDir
+  );
+
+  const filePath = path.resolve(tempDir, "echo_test");
+  const fileInfo = await stat(filePath);
+  assert(fileInfo.isFile());
+
+  if (path.isWindows) {
+    assertEquals(
+      await fs.readFileStr(filePath + ".cmd"),
+      /* eslint-disable max-len */
+      `% This executable is generated by Deno. Please don't modify it unless you know what it means. %
+@IF EXIST "%~dp0\deno.exe" (
+  "%~dp0\deno.exe" "run" "http://localhost:4500/installer/testdata/echo.ts" %*
+) ELSE (
+  @SETLOCAL
+  @SET PATHEXT=%PATHEXT:;.TS;=;%
+  "deno" "run" "http://localhost:4500/installer/testdata/echo.ts" %*
+)
+`
+      /* eslint-enable max-len */
+    );
+  }
+
+  assertEquals(
+    await fs.readFileStr(filePath),
+    /* eslint-disable max-len */
+    `#!/bin/sh
+# This executable is generated by Deno. Please don't modify it unless you know what it means.
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\\\,/,g')")
+
+case \`uname\` in
+  *CYGWIN*) basedir=\`cygpath -w "$basedir"\`;;
+esac
+
+if [ -x "$basedir/deno" ]; then
+  "$basedir/deno" "run" "http://localhost:4500/installer/testdata/echo.ts" "$@"
+  ret=$?
+else
+  "deno" "run" "http://localhost:4500/installer/testdata/echo.ts" "$@"
+  ret=$?
+fi
+exit $ret
+`
+    /* eslint-enable max-len */
+  );
+});
+
+installerTest(async function installLocalModule(): Promise<void> {
+  let localModule = path.join(Deno.cwd(), "installer", "testdata", "echo.ts");
+  await install("echo_test", localModule, []);
+
+  const { HOME } = env();
+  const filePath = path.resolve(HOME, ".deno/bin/echo_test");
+  const fileInfo = await stat(filePath);
+  assert(fileInfo.isFile());
+
+  if (path.isWindows) {
+    localModule = localModule.replace(/\\/g, "\\\\");
+  }
+
+  if (path.isWindows) {
+    assertEquals(
+      await fs.readFileStr(filePath + ".cmd"),
+      /* eslint-disable max-len */
+      `% This executable is generated by Deno. Please don't modify it unless you know what it means. %
+@IF EXIST "%~dp0\deno.exe" (
+  "%~dp0\deno.exe" "run" "${localModule}" %*
+) ELSE (
+  @SETLOCAL
+  @SET PATHEXT=%PATHEXT:;.TS;=;%
+  "deno" "run" "${localModule}" %*
+)
+`
+      /* eslint-enable max-len */
+    );
+  }
+
+  assertEquals(
+    await fs.readFileStr(filePath),
+    /* eslint-disable max-len */
+    `#!/bin/sh
+# This executable is generated by Deno. Please don't modify it unless you know what it means.
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\\\,/,g')")
+
+case \`uname\` in
+  *CYGWIN*) basedir=\`cygpath -w "$basedir"\`;;
+esac
+
+if [ -x "$basedir/deno" ]; then
+  "$basedir/deno" "run" "${localModule}" "$@"
+  ret=$?
+else
+  "deno" "run" "${localModule}" "$@"
+  ret=$?
+fi
+exit $ret
+`
+    /* eslint-enable max-len */
+  );
+});
+
+installerTest(async function installWithFlags(): Promise<void> {
+  await install(
+    "echo_test",
+    "http://localhost:4500/installer/testdata/echo.ts",
+    ["--allow-net", "--allow-read", "--foobar"]
+  );
+
+  const { HOME } = env();
+  const filePath = path.resolve(HOME, ".deno/bin/echo_test");
+
+  if (path.isWindows) {
+    assertEquals(
+      await fs.readFileStr(filePath + ".cmd"),
+      /* eslint-disable max-len */
+      `% This executable is generated by Deno. Please don't modify it unless you know what it means. %
+@IF EXIST "%~dp0\deno.exe" (
+  "%~dp0\deno.exe" "run" "--allow-net" "--allow-read" "http://localhost:4500/installer/testdata/echo.ts" "--foobar" %*
+) ELSE (
+  @SETLOCAL
+  @SET PATHEXT=%PATHEXT:;.TS;=;%
+  "deno" "run" "--allow-net" "--allow-read" "http://localhost:4500/installer/testdata/echo.ts" "--foobar" %*
+)
+`
+      /* eslint-enable max-len */
+    );
+  }
+
+  assertEquals(
+    await fs.readFileStr(filePath),
+    /* eslint-disable max-len */
+    `#!/bin/sh
+# This executable is generated by Deno. Please don't modify it unless you know what it means.
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\\\,/,g')")
+
+case \`uname\` in
+  *CYGWIN*) basedir=\`cygpath -w "$basedir"\`;;
+esac
+
+if [ -x "$basedir/deno" ]; then
+  "$basedir/deno" "run" "--allow-net" "--allow-read" "http://localhost:4500/installer/testdata/echo.ts" "--foobar" "$@"
+  ret=$?
+else
+  "deno" "run" "--allow-net" "--allow-read" "http://localhost:4500/installer/testdata/echo.ts" "--foobar" "$@"
+  ret=$?
+fi
+exit $ret
+`
+    /* eslint-enable max-len */
+  );
+});
+
+installerTest(async function installLocalModuleAndRun(): Promise<void> {
+  const tempDir = await makeTempDir();
+  const localModule = path.join(Deno.cwd(), "installer", "testdata", "echo.ts");
+  await install("echo_test", localModule, ["hello"], tempDir);
+
+  const filePath = path.resolve(tempDir, "echo_test");
+  const fileInfo = await stat(filePath);
+  assert(fileInfo.isFile());
+
+  const ps = run({
+    args: [filePath + (path.isWindows ? ".cmd" : ""), "foo"],
+    stdout: "piped"
+  });
+
+  if (!ps.stdout) {
+    assert(!!ps.stdout, "There should have stdout.");
+    return;
+  }
+
+  let thrown = false;
+
+  try {
+    const b = await readAll(ps.stdout);
+
+    const s = new TextDecoder("utf-8").decode(b);
+
+    assertEquals(s, "hello, foo");
+  } catch (err) {
+    console.error(err);
+    thrown = true;
+  } finally {
+    await remove(tempDir, { recursive: true });
+    ps.close();
+  }
+
+  assert(!thrown, "It should not throw an error");
+}, true); // set true to install module in your real $HOME dir.
+
+installerTest(async function installAndMakesureItCanRun(): Promise<void> {
+  const tempDir = await makeTempDir();
+  await install(
+    "echo_test",
+    "http://localhost:4500/installer/testdata/echo.ts",
+    ["hello"],
+    tempDir
+  );
+
+  const filePath = path.resolve(tempDir, "echo_test");
+  const fileInfo = await stat(filePath);
+  assert(fileInfo.isFile());
+
+  const ps = run({
+    args: [filePath + (path.isWindows ? ".cmd" : ""), "foo"],
+    stdout: "piped"
+  });
+
+  if (!ps.stdout) {
+    assert(!!ps.stdout, "There should have stdout.");
+    return;
+  }
+
+  let thrown = false;
+
+  try {
+    const b = await readAll(ps.stdout);
+
+    const s = new TextDecoder("utf-8").decode(b);
+
+    assertEquals(s, "hello, foo");
+  } catch (err) {
+    console.error(err);
+    thrown = true;
+  } finally {
+    await remove(tempDir, { recursive: true });
+    ps.close();
+  }
+
+  assert(!thrown, "It should not throw an error");
+}, true); // set true to install module in your real $HOME dir.
+
+installerTest(async function installAndMakesureArgsRight(): Promise<void> {
+  const tempDir = await makeTempDir();
+  await install(
+    "args_test",
+    "http://localhost:4500/installer/testdata/args.ts",
+    ["arg1", "--flag1"],
+    tempDir
+  );
+
+  const filePath = path.resolve(tempDir, "args_test");
+  const fileInfo = await stat(filePath);
+  assert(fileInfo.isFile());
+
+  const ps = run({
+    args: [filePath + (path.isWindows ? ".cmd" : ""), "arg2", "--flag2"],
+    stdout: "piped"
+  });
+
+  if (!ps.stdout) {
+    assert(!!ps.stdout, "There should have stdout.");
+    return;
+  }
+
+  let thrown = false;
+
+  try {
+    const b = await readAll(ps.stdout);
+
+    const s = new TextDecoder("utf-8").decode(b);
+
+    const obj = JSON.parse(s);
+
+    assertEquals(obj[0], "arg1");
+    assertEquals(obj[1], "--flag1");
+    assertEquals(obj[2], "arg2");
+    assertEquals(obj[3], "--flag2");
+  } catch (err) {
+    console.error(err);
+    thrown = true;
+  } finally {
+    await remove(tempDir, { recursive: true });
+    ps.close();
+  }
+
+  assert(!thrown, "It should not throw an error");
+}, true); // set true to install module in your real $HOME dir.
 
 test(function testIsRemoteUrl(): void {
   assert(isRemoteUrl("https://deno.land/std/http/file_server.ts"));
diff --git a/std/prettier/main_test.ts b/std/prettier/main_test.ts
index 5214db8ef..16c19ed03 100644
--- a/std/prettier/main_test.ts
+++ b/std/prettier/main_test.ts
@@ -213,7 +213,6 @@ console.log([function foo() {}, function baz() {}, (a) => {}]);
   emptyDir(tempDir);
 });
 
-/* TODO(ry) Re-enable test
 test(async function testPrettierPrintToStdout(): Promise<void> {
   const tempDir = await Deno.makeTempDir();
   await copy(testdata, tempDir, { overwrite: true });
@@ -226,20 +225,35 @@ test(async function testPrettierPrintToStdout(): Promise<void> {
 
   const { stdout } = await run([...cmd, file0]);
   // The source file will not change without `--write` flags.
-  assertEquals(await getSourceCode(file0), "console.log (0)" + EOL);
+  assertEquals(
+    await getSourceCode(file0),
+    `console.log (0)
+`
+  );
   // The output should be formatted code.
-  assertEquals(stdout, "console.log(0);" + EOL);
+  assertEquals(
+    stdout,
+    `console.log(0);
+`
+  );
 
   const { stdout: formattedCode } = await run([...cmd, file1]);
   // The source file will not change without `--write` flags.
-  assertEquals(await getSourceCode(file1), "console.log(0);" + EOL);
+  assertEquals(
+    await getSourceCode(file1),
+    `console.log(0);
+`
+  );
   // The output will be formatted code even it is the same as the source file's
   // content.
-  assertEquals(formattedCode, "console.log(0);" + EOL);
+  assertEquals(
+    formattedCode,
+    `console.log(0);
+`
+  );
 
   emptyDir(tempDir);
 });
-*/
 
 test(async function testPrettierReadFromStdin(): Promise<void> {
   interface TestCase {