refactor: improve testing setup

spec/localization/localization.spec.ts

@@ -2,14 +2,10 @@
 //
 // SPDX-License-Identifier: MIT
 
-import * as fs from "fs-extra";
-import * as path from "path";
+import en from "../../lang/en.json";
+import de from "../../lang/de.json";
 
 describe("English and german localization files", () => {
-    const localizationPath = "./lang/";
-    const en: Record<string, unknown> = fs.readJSONSync(path.join(localizationPath, "en.json"));
-    const de: Record<string, unknown> = fs.readJSONSync(path.join(localizationPath, "de.json"));
-
     it("should have the same keys.", () => {
         const deKeys = Object.keys(de);
         const enKeys = Object.keys(en);

spec/rolls/check-evaluation.spec.ts

@@ -5,39 +5,21 @@
 
 import evaluateCheck from "../../src/rolls/check-evaluation";
 
-class StubGame {
-    constructor() {
-        this.i18n = {
-            localize: (key: string) => key,
-        };
-    }
-    i18n: {
-        localize: (key: string) => string;
-    };
-}
-
-const game = new StubGame();
-
-Object.defineProperties(globalThis, {
-    game: { value: game },
-    Game: { value: StubGame },
-});
-
 describe("evaluateCheck with no dice", () => {
     it("should throw an error.", () => {
-        expect(() => evaluateCheck([], 10)).toThrow("DS4.ErrorInvalidNumberOfDice");
+        expect(() => evaluateCheck([], 10)).toThrow("Invalid number of dice.");
     });
 });
 
 describe("evaluateCheck with more dice than required by the checkTargetNumber", () => {
     it("should throw an error.", () => {
-        expect(() => evaluateCheck([10, 10], 10)).toThrow("DS4.ErrorInvalidNumberOfDice");
+        expect(() => evaluateCheck([10, 10], 10)).toThrow("Invalid number of dice.");
     });
 });
 
 describe("evaluateCheck with less dice than required by the checkTargetNumber", () => {
     it("should throw an error.", () => {
-        expect(() => evaluateCheck([10], 21)).toThrow("DS4.ErrorInvalidNumberOfDice");
+        expect(() => evaluateCheck([10], 21)).toThrow("Invalid number of dice.");
     });
 });
 

spec/setup.ts

@@ -0,0 +1,27 @@
+// SPDX-FileCopyrightText: 2022 Johannes Loher
+//
+// SPDX-License-Identifier: MIT
+
+import en from "../lang/en.json";
+
+function setupStubs() {
+    class StubGame {
+        constructor() {
+            this.i18n = {
+                localize: (key: string) => (key in en ? en[key as keyof typeof en] : key),
+            };
+        }
+        i18n: {
+            localize: (key: string) => string;
+        };
+    }
+
+    const game = new StubGame();
+
+    Object.defineProperties(globalThis, {
+        game: { value: game },
+        Game: { value: StubGame },
+    });
+}
+
+setupStubs();