Test that tasks are actually auto-detected

Author: Xanewok

fixtures/.gitignore

@@ -0,0 +1,2 @@
+**/target
+Cargo.lock

fixtures/bare-lib-project/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "bare-lib-project"
+version = "0.1.0"
+authors = ["Example <[email protected]>"]
+edition = "2018"
+
+[dependencies]

fixtures/bare-lib-project/src/lib.rs

@@ -0,0 +1,7 @@
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        assert_eq!(2 + 2, 4);
+    }
+}

src/test/extension.test.ts

@@ -0,0 +1,39 @@
+import * as assert from 'assert';
+import * as path from 'path';
+import * as vscode from 'vscode';
+// tslint:disable-next-line: no-duplicate-imports
+import { Uri } from 'vscode';
+
+const fixtureDir = path.resolve(path.join(__dirname, '..', '..', 'fixtures'));
+
+suite('Extension Tests', () => {
+  test('cargo tasks are auto-detected', async () => {
+    const projectPath = path.join(fixtureDir, 'bare-lib-project');
+    const projectUri = Uri.file(projectPath);
+
+    await vscode.commands.executeCommand('vscode.openFolder', projectUri);
+    await vscode.workspace.openTextDocument(
+      Uri.file(path.join(projectPath, 'src', 'lib.rs')),
+    );
+
+    const expected = [
+      { subcommand: 'build', group: vscode.TaskGroup.Build },
+      { subcommand: 'check', group: vscode.TaskGroup.Build },
+      { subcommand: 'test', group: vscode.TaskGroup.Test },
+      { subcommand: 'clean', group: vscode.TaskGroup.Clean },
+    ];
+
+    const tasks = await vscode.tasks.fetchTasks();
+
+    for (const { subcommand, group } of expected) {
+      assert(
+        tasks.some(
+          task =>
+            task.definition.type === 'cargo' &&
+            task.definition.subcommand === subcommand &&
+            task.group === group,
+        ),
+      );
+    }
+  });
+});