update tests

packages/components/src/components/Initials/lib/getInitialsFromString.test.ts

@@ -5,15 +5,11 @@ describe('"getInitialsFromString()', () => {
     expect(getInitialsFromString("")).toStrictEqual([]);
   });
 
-  test("does return first character of the first two words", () => {
-    expect(getInitialsFromString("foo bar baz")).toStrictEqual(["F", "B"]);
-  });
-
-  test("does skip special characters", () => {
-    expect(getInitialsFromString("foo & bar")).toStrictEqual(["F", "B"]);
-  });
-
-  test("does return one character if only one word is given", () => {
-    expect(getInitialsFromString("foo")).toStrictEqual(["F"]);
+  test.each([
+    ["Max Mustermann", "MM"],
+    ["Max & (Mustermann)", "MM"],
+    ["Max", "M"],
+  ])("builds correct initials for %o", (item, expectedResult) => {
+    expect(getInitialsFromString(item).join("")).toBe(expectedResult);
   });
 });

packages/components/src/components/Initials/lib/getVariantFromInitials.test.ts

@@ -5,11 +5,14 @@ describe('"getVariantFromInitials()', () => {
     expect(getVariantFromInitials([])).toStrictEqual(1);
   });
 
-  test.each([[["A"]], [["B"]], [["C", "D"]], [["Z"]], [["Ä"]], [["1"]]])(
-    "does return number between 1 and 4 for any given initial",
-    (item) => {
-      expect(getVariantFromInitials(item)).toBeGreaterThan(0);
-      expect(getVariantFromInitials(item)).toBeLessThanOrEqual(4);
-    },
-  );
+  test.each([
+    [["A"], 2],
+    [["B"], 3],
+    [["C", "D"], 4],
+    [["Z"], 3],
+    [["Ä"], 1],
+    [["1"], 2],
+  ])("does get correct variant for given initial", (item, expectedVariant) => {
+    expect(getVariantFromInitials(item)).toBe(expectedVariant);
+  });
 });