updates

web/util/src/TextFormat.test.ts

@@ -0,0 +1,60 @@
+import TextFormat from "./TextFormat";
+
+describe("TextFormat", () => {
+  it.each([
+    ["Peeter", "Tamm", "Peeter Tamm"],
+    [null, "Tamm", "Tamm"],
+    [undefined, "Tamm", "Tamm"],
+    ["", "Tamm", "Tamm"],
+    ["Peeter", undefined, "Peeter"],
+    ["Peeter", null, "Peeter"],
+    ["Peeter", "", "Peeter"],
+  ])(
+    "toFullName firstName='%s' lastName='%s' -> '%s'",
+    (firstName, lastName, result) => {
+      expect(TextFormat.toFullName({ firstName, lastName })).toEqual(result);
+    },
+  );
+
+  describe("toTitleCase", () => {
+    test("converts first letter to uppercase", () => {
+      expect(TextFormat.toTitleCase("hello")).toBe("Hello");
+    });
+
+    test("converts each word to title case", () => {
+      expect(TextFormat.toTitleCase("hello world")).toBe("Hello World");
+    });
+
+    test("handles empty string", () => {
+      expect(TextFormat.toTitleCase("")).toBe("");
+    });
+
+    test("handles undefined", () => {
+      expect(TextFormat.toTitleCase(undefined)).toBe("");
+    });
+
+    test("handles already capitalized text", () => {
+      expect(TextFormat.toTitleCase("Hello World")).toBe("Hello World");
+    });
+
+    test("handles mixed case text", () => {
+      expect(TextFormat.toTitleCase("hELLo WoRLd")).toBe("Hello World");
+    });
+
+    test("handles text with apostrophes", () => {
+      expect(TextFormat.toTitleCase("don't stop")).toBe("Don't Stop");
+    });
+
+    test("handles text with hyphens", () => {
+      expect(TextFormat.toTitleCase("well-known fact")).toBe("Well-Known Fact");
+    });
+
+    test("handles single character", () => {
+      expect(TextFormat.toTitleCase("a")).toBe("A");
+    });
+
+    test("handles numbers and special characters", () => {
+      expect(TextFormat.toTitleCase("test123 @#$")).toBe("Test123 @#$");
+    });
+  });
+});