tests/helpers/__snapshots__/outputHelper.test.ts.snap

@@ -25,5 +25,6 @@ Title = This is my Ms Bear!
 Upvotes = 17
 Url = https://preview.redd.it/d5yno653zf7d1.jpg?width=640&crop=smart&auto=webp&s=5064d1caec3c12ac2855eb57ff131d0b313d5e9d
 Query.Subreddit = rabbits
-Query.Sort By = hot"
+Query.Sort By = hot
+Query.Limit = 100"
 `;

tests/helpers/outputHelper.test.ts

@@ -10,6 +10,7 @@ describe("GenerateOutput", () => {
             Query: {
                 subreddit: "rabbits",
                 sortBy: "hot",
+                limit: 100,
             },
             Result: {
                 Archived: false,
@@ -40,6 +41,7 @@ describe("GenerateOutput", () => {
             Query: {
                 subreddit: "rabbits",
                 sortBy: "hot",
+                limit: 100,
             },
             Result: {
                 Archived: false,
@@ -72,6 +74,7 @@ describe("GenerateOutput", () => {
             Query: {
                 subreddit: "rabbits",
                 sortBy: "hot",
+                limit: 100,
             },
             Result: {
                 Archived: false,

tests/index.test.ts

@@ -7,6 +7,10 @@ import fetch from "got-cjs";
 jest.mock('got-cjs');
 const fetchMock = jest.mocked(fetch);
 
+beforeEach(() => {
+    fetchMock.mockReset();
+});
+
 describe('randomBunny', () => {
     test('GIVEN subreddit AND sortBy is supplied, EXPECT successful result', async() => {
         fetchMock.mockResolvedValue({
@@ -231,4 +235,106 @@ describe('randomBunny', () => {
         expect(result.Error?.Code).toBe(ErrorCode.NoImageResultsFound);
         expect(result.Error?.Message).toBe(ErrorMessages.NoImageResultsFound);
     });
+
+    test("GIVEN limit is supplied, EXPECT limit sent to the API", async () => {
+        fetchMock.mockResolvedValue({
+            body: JSON.stringify({
+                data: {
+                    children: [
+                        {
+                            data: {
+                                archived: false,
+                                downs: 0,
+                                hidden: false,
+                                permalink: '/r/Rabbits/comments/12pa5te/someone_told_pickles_its_monday_internal_fury/',
+                                subreddit: 'Rabbits',
+                                subreddit_subscribers: 298713,
+                                title: 'Someone told pickles it’s Monday… *internal fury*',
+                                ups: 1208,
+                                url: 'https://i.redd.it/cr8xudsnkgua1.jpg',
+                            },
+                        },
+                    ],
+                }
+            }),
+        });
+
+        const result = await randomBunny('rabbits', 'new', 50);
+
+        expect(result.IsSuccess).toBeTruthy();
+        expect(result.Result).toBeDefined();
+        expect(result.Error).toBeUndefined();
+
+        expect(fetchMock).toHaveBeenCalledWith('https://reddit.com/r/rabbits/new.json?limit=50');
+    });
+
+    test("GIVEN limit is less than 1, EXPECT error to be returned", async () => {
+        fetchMock.mockResolvedValue({
+            body: JSON.stringify({
+                data: {
+                    children: [
+                        {
+                            data: {
+                                archived: false,
+                                downs: 0,
+                                hidden: false,
+                                permalink: '/r/Rabbits/comments/12pa5te/someone_told_pickles_its_monday_internal_fury/',
+                                subreddit: 'Rabbits',
+                                subreddit_subscribers: 298713,
+                                title: 'Someone told pickles it’s Monday… *internal fury*',
+                                ups: 1208,
+                                url: 'https://i.redd.it/cr8xudsnkgua1.jpg',
+                            },
+                        },
+                    ],
+                }
+            }),
+        });
+
+        const result = await randomBunny('rabbits', 'new', 0);
+
+        expect(result.IsSuccess).toBeFalsy();
+        expect(result.Result).toBeUndefined();
+        expect(result.Error).toBeDefined();
+
+        expect(result.Error!.Code).toBe(ErrorCode.LimitOutOfRange);
+        expect(result.Error!.Message).toBe(ErrorMessages.LimitOutOfRange);
+
+        expect(fetchMock).not.toHaveBeenCalled();
+    });
+
+    test("GIVEN limit is greater than 100, EXPECT error to be returned", async () => {
+        fetchMock.mockResolvedValue({
+            body: JSON.stringify({
+                data: {
+                    children: [
+                        {
+                            data: {
+                                archived: false,
+                                downs: 0,
+                                hidden: false,
+                                permalink: '/r/Rabbits/comments/12pa5te/someone_told_pickles_its_monday_internal_fury/',
+                                subreddit: 'Rabbits',
+                                subreddit_subscribers: 298713,
+                                title: 'Someone told pickles it’s Monday… *internal fury*',
+                                ups: 1208,
+                                url: 'https://i.redd.it/cr8xudsnkgua1.jpg',
+                            },
+                        },
+                    ],
+                }
+            }),
+        });
+
+        const result = await randomBunny('rabbits', 'new', 101);
+
+        expect(result.IsSuccess).toBeFalsy();
+        expect(result.Result).toBeUndefined();
+        expect(result.Error).toBeDefined();
+
+        expect(result.Error!.Code).toBe(ErrorCode.LimitOutOfRange);
+        expect(result.Error!.Message).toBe(ErrorMessages.LimitOutOfRange);
+
+        expect(fetchMock).not.toHaveBeenCalled();
+    });
 });