add test case for windows

Author: Mathiyarasy

.github/workflows/test-windows.yml

@@ -41,6 +41,7 @@ jobs:
           # "src/test/container-templates/containerTemplatesOCI.test.ts",
           # "src/test/container-templates/templatesCLICommands.test.ts",
           # "src/test/dockerComposeUtils.test.ts",
+          "src/test/dockerfilePreprocessorWindows.test.ts",
           # "src/test/dockerfileUtils.test.ts",
           # "src/test/dockerUtils.test.ts",
           # "src/test/imageMetadata.test.ts",

src/test/configs/dockerfile-clang-preprocessor/.devcontainer.json

@@ -0,0 +1,21 @@
+{
+	"build": {
+		"dockerfile": "Dockerfile.in"
+	},
+	"dockerfilePreprocessor": {
+		"tool": "clang",
+		"outputMode": "single-file",
+		"args": [
+			"-E",
+			"-P",
+			"-x",
+			"c",
+			"-"
+		]
+	},
+	"features": {
+		"ghcr.io/devcontainers/features/github-cli:1": {
+			"version": "latest"
+		}
+	}
+}

src/test/configs/dockerfile-clang-preprocessor/Dockerfile.in

@@ -0,0 +1,16 @@
+#define BASE_IMAGE ubuntu:20.04
+#define INSTALL_NODE
+#define INSTALL_PYTHON
+
+FROM BASE_IMAGE
+
+#ifdef INSTALL_NODE
+RUN apt-get update && apt-get install -y nodejs
+#endif
+
+#ifdef INSTALL_PYTHON
+RUN apt-get update && apt-get install -y python3
+#endif
+
+#include "common.Dockerfile"
+#include "tools.Dockerfile"

src/test/configs/dockerfile-clang-preprocessor/common.Dockerfile

@@ -0,0 +1,4 @@
+RUN apt-get update && apt-get install -y curl wget
+
+ENV APP_ENV=development
+ENV APP_DEBUG=true

src/test/configs/dockerfile-clang-preprocessor/test.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+echo "hello! clang test"

src/test/configs/dockerfile-clang-preprocessor/tools.Dockerfile

@@ -0,0 +1,2 @@
+RUN apt-get update && apt-get install -y vim
+COPY ./test.sh /usr/local/bin/test.sh

src/test/dockerfilePreprocessorWindows.test.ts

@@ -0,0 +1,47 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as fs from 'fs/promises';
+import * as path from 'path';
+
+import { devContainerDown, devContainerUp, shellExec } from './testUtils';
+
+const pkg = require('../../package.json');
+
+(process.platform === 'win32' ? describe : describe.skip)('dockerfilePreprocessor integration (Windows)', function () {
+	this.timeout('240s');
+
+	const tmp = path.relative(process.cwd(), path.join(__dirname, 'tmp'));
+	const cli = `npx --prefix ${tmp} devcontainer`;
+	const generatedArtifacts = ['Dockerfile', '.devcontainer-lock.json', '.devcontainer-preprocessed'];
+	let clangAvailable = false;
+
+	const cleanupGeneratedArtifacts = async (testFolder: string) => {
+		await Promise.all(generatedArtifacts.map(relative => fs.rm(path.join(testFolder, relative), { recursive: true, force: true })));
+	};
+
+	before('Install', async () => {
+		await fs.rm(path.join(__dirname, 'tmp', 'node_modules'), { recursive: true, force: true });
+		await fs.mkdir(path.join(__dirname, 'tmp'), { recursive: true });
+		await shellExec(`npm --prefix ${tmp} install devcontainers-cli-${pkg.version}.tgz`);
+		const clangCheck = await shellExec('where clang', undefined, true, true);
+		clangAvailable = !clangCheck.error && Boolean(clangCheck.stdout.trim());
+	});
+
+	it('should preprocess a Dockerfile.in during up clang on Windows', async function () {
+		if (!clangAvailable) {
+			this.skip();
+		}
+		const testFolder = `${__dirname}/configs/dockerfile-clang-preprocessor`;
+		await cleanupGeneratedArtifacts(testFolder);
+		let containerId: string | undefined;
+		try {
+			containerId = (await devContainerUp(cli, testFolder)).containerId;
+			await shellExec(`${cli} exec --workspace-folder ${testFolder} sh -lc 'command -v nodejs && command -v python3 && command -v curl && command -v wget && command -v vim && test -f /usr/local/bin/test.sh'`);
+		} finally {
+			await devContainerDown({ containerId, doNotThrow: true });
+			await cleanupGeneratedArtifacts(testFolder);
+		}
+	});
+});