From c110fcd93eed28be7acf9a1b97b78749ee5460b0 Mon Sep 17 00:00:00 2001
From: Dominic Cooney <dominic.cooney@sourcegraph.com>
Date: Tue, 1 Oct 2024 21:02:59 +0900
Subject: [PATCH] Restore a required file that was subsequently deleted.

---
 vscode/src/commands/context/unit-test-chat.ts | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 vscode/src/commands/context/unit-test-chat.ts

diff --git a/vscode/src/commands/context/unit-test-chat.ts b/vscode/src/commands/context/unit-test-chat.ts
new file mode 100644
index 000000000000..3d59395aa1f6
--- /dev/null
+++ b/vscode/src/commands/context/unit-test-chat.ts
@@ -0,0 +1,45 @@
+import { type ContextItem, wrapInActiveSpan } from '@sourcegraph/cody-shared'
+
+import type * as vscode from 'vscode'
+
+import { getSearchPatternForTestFiles } from '../utils/search-pattern'
+import { isValidTestFile } from '../utils/test-commands'
+import { getContextFileFromDirectory } from './directory'
+import { getWorkspaceFilesContext } from './workspace'
+
+/**
+ * Gets context files related to the given test file.
+ *
+ * Searches for test files in the current directory first.
+ * If none found, searches the entire workspace for test files.
+ *
+ * Returns only valid test files up to the max limit.
+ *
+ * NOTE: This is used by the current unit test commands to get context files.
+ * NOTE: Will be replaced by the new unit test commands once it's ready.
+ */
+export async function getContextFilesForTestCommand(file: vscode.Uri): Promise<ContextItem[]> {
+    return wrapInActiveSpan('commands.context.testChat', async span => {
+        const contextFiles: ContextItem[] = []
+
+        // exclude any files in the path with e2e, integration, node_modules, or dist
+        const excludePattern = '**/*{e2e,integration,node_modules,dist}*/**'
+        // To search for files in the current directory only
+        const searchInCurrentDirectoryOnly = true
+        // The max number of files to search for in each workspace search
+        const max = 5
+
+        // Get context from test files in current directory
+        contextFiles.push(...(await getContextFileFromDirectory()))
+
+        if (!contextFiles.length) {
+            const wsTestPattern = getSearchPatternForTestFiles(file, !searchInCurrentDirectoryOnly)
+            const codebaseFiles = await getWorkspaceFilesContext(wsTestPattern, excludePattern, max)
+
+            contextFiles.push(...codebaseFiles)
+        }
+
+        // Return valid test files only
+        return contextFiles.filter(f => isValidTestFile(f.uri))
+    })
+}