add stupid tests

__tests__/cli.test.ts

@@ -0,0 +1,12 @@
+// @ts-ignore
+// import { jest } from '@jest/globals';
+
+import { generateCommitMessageByDiff } from '../src/generateCommitMessageFromGitDiff';
+
+test.skip('generateCommitMessageFromGitDiff', async () => {
+  const GIT_DIFF = ``;
+
+  const res = await generateCommitMessageByDiff(GIT_DIFF);
+
+  expect(res).toBe('lol');
+});

__tests__/split-files.test.ts

@@ -0,0 +1,79 @@
+import { getCommitMsgsPromisesFromFileDiffs } from '../src/generateCommitMessageFromGitDiff';
+
+const oneFileThreeChanges = `diff --git a/example.txt b/example.txt
+index e69de29..3f6a3fa 100644
+--- a/example.txt
++++ b/example.txt
+@@ -1,2 +1,2 @@
+-Hello, World!
++Hello, everyone!
+ This is an example file.
+@@ -4,2 +4,2 @@
+-Goodbye, World!
++Goodbye, everyone!
+ Have a great day!
+@@ -7,2 +7,2 @@
+-It's a sunny day!
++It's a rainy day!
+ Let's go for a walk.`;
+
+const fourFilesOneChangeEach = `diff --git a/file1.txt b/file1.txt
+ index e69de29..3f6a3fa 100644
+ --- a/file1.txt
+ +++ b/file1.txt
+ @@ -1,2 +1,2 @@
+ -Hello, World!
+ +Hello, everyone!
+  This is file 1.
+
+ diff --git a/file2.txt b/file2.txt
+ index 87c0ddc..d7b182e 100644
+ --- a/file2.txt
+ +++ b/file2.txt
+ @@ -1,3 +1,3 @@
+  This is file 2.
+ -Goodbye, World!
+ +Goodbye, everyone!
+  Have a great day!
+
+ diff --git a/file3.txt b/file3.txt
+ index e69de29..3f6a3fa 100644
+ --- a/file3.txt
+ +++ b/file3.txt
+ @@ -1,4 +1,4 @@
+  This is file 3.
+ -It's a sunny day!
+ +It's a rainy day!
+  Let's go for a walk.
+
+ diff --git a/file4.txt b/file4.txt
+ index 3f6a3fa..87c0ddc 100644
+ --- a/file4.txt
+ +++ b/file4.txt
+ @@ -1,5 +1,5 @@
+  This is file 4.
+ -It's time to sleep.
+ +It's time to wake up.
+  Goodnight.
+ `;
+
+test('1', async () => {
+  const MAX_LENGTH = 50;
+  const oneFile3Changes = await getCommitMsgsPromisesFromFileDiffs(
+    oneFileThreeChanges,
+    MAX_LENGTH
+  );
+
+  expect(oneFile3Changes).toBe('lol');
+});
+
+test('2', async () => {
+  const MAX_LENGTH = 50;
+
+  const fourFilesOneChange = await getCommitMsgsPromisesFromFileDiffs(
+    fourFilesOneChangeEach,
+    MAX_LENGTH
+  );
+
+  expect(fourFilesOneChange).toBe('lol');
+});