Add rudimentary TS tests

- Mocks need rewriting as they are not being created from module. Not scalable.

Author: AB1908

src/tests/OMDbAPI.test.ts

@@ -0,0 +1,103 @@
+import { enableFetchMocks } from 'jest-fetch-mock';
+import fetchMock from 'jest-fetch-mock';
+import { OMDbAPI } from '../api/apis/OMDbAPI';
+import { MovieModel } from '../models/MovieModel';
+import { MediaTypeModel } from '../models/MediaTypeModel';
+import MediaDbPlugin from '../main';
+import { MediaDbPluginSettings } from 'src/settings/Settings';
+
+enableFetchMocks()
+let OMDbApiMock: OMDbAPI;
+
+beforeEach(() => {
+    fetchMock.resetMocks();
+    let settingsMock: MediaDbPluginSettings = {
+        OMDbKey: "string"
+    } as MediaDbPluginSettings;
+    let pluginMock: MediaDbPlugin = {} as MediaDbPlugin;
+    pluginMock.settings = settingsMock;
+    OMDbApiMock = new OMDbAPI(pluginMock);
+})
+
+test("searchByTitle behavior when given garbage data", async () => {
+    fetchMock.mockResponseOnce(JSON.stringify({
+        data: "string"
+    }))
+    let res = await OMDbApiMock.searchByTitle("sample");
+    expect(res).toEqual([]);
+    expect(fetchMock).toHaveBeenCalledTimes(1);
+});
+
+test("searchByTitle when fetch returns 401", async () => {
+    let sampleResponse = {
+        data: "string"
+    };
+    fetchMock.mockResponse(JSON.stringify(sampleResponse), { status: 401 });
+    // TODO: Check API name and fix message
+    // TODO: Externalize string
+    await expect(async () => await OMDbApiMock.searchByTitle("sample")).rejects.toThrowError("MDB | Authentication for OMDbAPI failed. Check the API key.");
+    expect(fetchMock).toHaveBeenCalledTimes(1);
+});
+
+test("searchByTitle when fetch returns other non-200", async () => {
+    let sampleResponse = {
+        data: "string"
+    };
+    fetchMock.mockResponse(JSON.stringify(sampleResponse), { status: 400 });
+    await expect(async () => await OMDbApiMock.searchByTitle("sample")).rejects.toThrow();
+    expect(fetchMock).toHaveBeenCalledTimes(1);
+});
+
+test("searchByTitle with successful request and valid response", async () => {
+    let response = {
+        "Search": [
+            {
+                "Title": "Guardians of the Galaxy",
+                "Year": "2014",
+                "imdbID": "tt2015381",
+                "Type": "movie",
+                "Poster": "https://m.media-amazon.com/images/M/MV5BMTAwMjU5OTgxNjZeQTJeQWpwZ15BbWU4MDUxNDYxODEx._V1_SX300.jpg"
+            },
+            {
+                "Title": "Guardians of the Galaxy Vol. 2",
+                "Year": "2017",
+                "imdbID": "tt3896198",
+                "Type": "movie",
+                "Poster": "https://m.media-amazon.com/images/M/MV5BNjM0NTc0NzItM2FlYS00YzEwLWE0YmUtNTA2ZWIzODc2OTgxXkEyXkFqcGdeQXVyNTgwNzIyNzg@._V1_SX300.jpg"
+            },
+            {
+                "Title": "Guardians of the Galaxy: Inferno",
+                "Year": "2017",
+                "imdbID": "tt7131308",
+                "Type": "movie",
+                "Poster": "https://m.media-amazon.com/images/M/MV5BZGQ0YzEyNWQtNGJiMi00NTAxLThkNDctNGY2ODkzYWMxZmZkXkEyXkFqcGdeQXVyNTAyODkwOQ@@._V1_SX300.jpg"
+            },
+            {
+                "Title": "LEGO Marvel Super Heroes - Guardians of the Galaxy: The Thanos Threat",
+                "Year": "2017",
+                "imdbID": "tt7387224",
+                "Type": "movie",
+                "Poster": "https://m.media-amazon.com/images/M/MV5BMjhlYzVhNTMtMmFkYy00NDhiLTkyNDgtYzhhMTZiMzM2OTA5XkEyXkFqcGdeQXVyNjI2OTgxNzY@._V1_SX300.jpg"
+            },
+        ],
+        "totalResults": "4",
+        "Response": "True"
+    }
+    fetchMock.mockResponse(JSON.stringify(response));
+    let ret: MediaTypeModel[] = [];
+
+    for (const result of response.Search) {
+        ret.push(new MovieModel({
+            type: 'wiki',
+            title: result.Title,
+            englishTitle: result.Title,
+            year: result.Year,
+            dataSource: 'OMDbAPI',
+            id: result.imdbID,
+        } as unknown as MovieModel));
+    }
+    let dt = await OMDbApiMock.searchByTitle("Jackson");
+    expect(dt).toStrictEqual(ret);
+
+})
+