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@nimratcoderabbit nimratcoderabbit commented Jul 15, 2025

Tooling found in: #33 (review)

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Summary by CodeRabbit

  • Tests
    • Added new tests to validate language checking functionality using sample text with intentional errors.
  • Chores
    • Included a sample text file containing various grammatical and spelling mistakes for testing purposes.

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coderabbitai bot commented Jul 15, 2025

Walkthrough

A new test file has been added to validate the runLanguageTool function using a sample text file containing deliberate language errors. The test sets up mock parameters, environment variables, and logs the output of the language tool. No changes were made to existing exported or public entities.

Changes

File(s) Change Summary
languageTool.test.ts Added a test file that sets up mock parameters and environment, runs runLanguageTool, and logs output.
sample.txt Added a sample text file with intentional grammatical and spelling errors for testing purposes.

Poem

In a file with errors, both big and small,
A rabbit hops in to test them all.
With logs and mocks, the tool runs through,
Spotting mistakes—yes, more than a few!
Now language is checked, the bugs in retreat,
Another code hop—mission complete!
🐇✨

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Actionable comments posted: 3

🧹 Nitpick comments (1)
languageTool.test.ts (1)

43-43: Remove type assertion for better type safety.

The as any type assertion bypasses TypeScript's type checking. Consider properly typing the mock parameters or using a more specific type.

-} as any
+}

If type errors occur, address them by properly typing the mock object or importing the correct types from the languageTool module.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between ef04b8d and 4d3fcb5.

📒 Files selected for processing (2)
  • languageTool.test.ts (1 hunks)
  • sample.txt (1 hunks)
🧰 Additional context used
🪛 LanguageTool
sample.txt

[grammar] ~5-~5: Possible subject-verb agreement error: Did you mean to use “is”?
Context: ...ntence have a agreement error. The list are long and detailed. He don't know what h...

(DT_NN_ARE_AME)


[grammar] ~7-~7: Ensure spelling is correct
Context: ... He don't know what he doing. Here is a mispeling. It is an very good idea to try this t...

(QB_NEW_EN_ORTHOGRAPHY_ERROR_IDS_1)

🔇 Additional comments (1)
sample.txt (1)

1-11: LGTM! Intentional errors serve the testing purpose well.

The file contains appropriate intentional grammatical and spelling errors that will effectively test the runLanguageTool function's ability to detect various language issues including subject-verb agreement, spelling mistakes, and article usage errors.

Comment on lines +49 to +51
runLanguageTool(mockParams).then(() => {
console.log("Test complete. Tool outputs:", mockParams.fileHunks[0].toolOutputs)
})
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🛠️ Refactor suggestion

Add proper error handling and test structure.

The test lacks error handling and doesn't follow standard testing patterns. Consider using a proper test framework with describe/it blocks and assertions.

-runLanguageTool(mockParams).then(() => {
-	console.log("Test complete. Tool outputs:", mockParams.fileHunks[0].toolOutputs)
-})
+describe("runLanguageTool", () => {
+	it("should detect language errors in sample text", async () => {
+		try {
+			await runLanguageTool(mockParams)
+			const toolOutputs = mockParams.fileHunks[0].toolOutputs
+			
+			// Add assertions here to verify expected behavior
+			expect(toolOutputs).toBeDefined()
+			expect(toolOutputs.languagetool).toBeDefined()
+			
+			console.log("Test complete. Tool outputs:", toolOutputs)
+		} catch (error) {
+			console.error("Test failed:", error)
+			throw error
+		}
+	})
+})
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
runLanguageTool(mockParams).then(() => {
console.log("Test complete. Tool outputs:", mockParams.fileHunks[0].toolOutputs)
})
describe("runLanguageTool", () => {
it("should detect language errors in sample text", async () => {
try {
await runLanguageTool(mockParams)
const toolOutputs = mockParams.fileHunks[0].toolOutputs
// Add assertions here to verify expected behavior
expect(toolOutputs).toBeDefined()
expect(toolOutputs.languagetool).toBeDefined()
console.log("Test complete. Tool outputs:", toolOutputs)
} catch (error) {
console.error("Test failed:", error)
throw error
}
})
})
🤖 Prompt for AI Agents
In languageTool.test.ts around lines 49 to 51, the test currently uses a simple
promise with console.log and lacks error handling and proper test structure.
Refactor the test to use a testing framework like Jest or Mocha with describe
and it blocks, include assertions to verify expected outcomes, and add error
handling to catch and report any failures during the runLanguageTool execution.

Comment on lines +46 to +47
env.LANGUAGETOOL_USERNAME = "fakeUser"
env.LANGUAGETOOL_API_KEY = "fakeKey"
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🛠️ Refactor suggestion

Avoid direct environment variable mutation in tests.

Directly mutating environment variables can cause issues in parallel test execution and doesn't clean up after the test. Consider using a mocking library or proper test setup/teardown.

-// Fake credentials for testing (you should replace these with valid test creds or mock the API)
-env.LANGUAGETOOL_USERNAME = "fakeUser"
-env.LANGUAGETOOL_API_KEY = "fakeKey"
+// Mock environment variables for testing
+const originalUsername = env.LANGUAGETOOL_USERNAME
+const originalApiKey = env.LANGUAGETOOL_API_KEY
+
+env.LANGUAGETOOL_USERNAME = "fakeUser"
+env.LANGUAGETOOL_API_KEY = "fakeKey"

And add cleanup after the test:

 runLanguageTool(mockParams).then(() => {
 	console.log("Test complete. Tool outputs:", mockParams.fileHunks[0].toolOutputs)
+	// Restore original environment variables
+	env.LANGUAGETOOL_USERNAME = originalUsername
+	env.LANGUAGETOOL_API_KEY = originalApiKey
 })
🤖 Prompt for AI Agents
In languageTool.test.ts around lines 46 to 47, avoid directly mutating
environment variables as it can cause issues in parallel tests and lacks
cleanup. Instead, use a mocking library or test setup/teardown methods to
temporarily set LANGUAGETOOL_USERNAME and LANGUAGETOOL_API_KEY for the test, and
ensure you restore or clean up these environment variables after the test
completes.

import fs from "fs"
import { env } from "../../utils/env"

const fileContent = fs.readFileSync("sample.txt", "utf-8")
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🛠️ Refactor suggestion

Fix the relative file path to be more robust.

The relative path "sample.txt" may fail if the test is executed from a different working directory. Consider using an absolute path or a path relative to the test file's location.

-const fileContent = fs.readFileSync("sample.txt", "utf-8")
+import path from "path"
+const fileContent = fs.readFileSync(path.join(__dirname, "sample.txt"), "utf-8")
🤖 Prompt for AI Agents
In languageTool.test.ts at line 5, the file path "sample.txt" is relative and
may break if the test runs from a different directory. Update the path to be
absolute or relative to the test file's location by using __dirname or
path.resolve to construct the file path, ensuring it correctly locates
"sample.txt" regardless of the working directory.

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