Validator test

react-app/src/components/RHF/tests/validator.test.ts

@@ -0,0 +1,76 @@
+import { describe, expect, it } from "vitest";
+import { validateInput, validateOption } from "../utils";
+
+describe("Test for RHF validator", () => {
+  const rules = { required: true, min: "10", max: "test" };
+  it("checks to see if a field is missing while required", () => {
+    let missingRequired = validateInput(undefined, rules);
+    expect(missingRequired).toBe("*Required");
+    missingRequired = validateInput("", rules);
+    expect(missingRequired).toBe("*Required");
+    missingRequired = validateInput([], rules);
+    expect(missingRequired).toBe("*Required");
+  });
+  it("checks to see if a number is within the limits", () => {
+    const rules = {
+      required: true,
+      min: { value: "5", message: "too short" },
+      max: { value: "10", message: "too long" },
+    };
+    const valid = validateInput("6", rules);
+    expect(valid).toBe("");
+    const tooShort = validateInput("4", rules);
+    expect(tooShort).toBe("too short");
+    const tooLong = validateInput("20", rules);
+    expect(tooLong).toBe("too long");
+  });
+  it("checks to see if a date is within the limits", () => {
+    const past = new Date(2023, 11, 25).toISOString();
+    const future = new Date(2025, 11, 25).toISOString();
+    const rules = {
+      required: true,
+      min: { value: past, message: "too far back" },
+      max: { value: future, message: "too far in the future" },
+    };
+    const valid = validateInput("12/25/2024", rules);
+    expect(valid).toBe("");
+    const tooShort = validateInput("12/25/2020", rules);
+    expect(tooShort).toBe("too far back");
+    const tooLong = validateInput("12/25,2027", rules);
+    expect(tooLong).toBe("too far in the future");
+  });
+  it("checks to see if a string is within the limits", () => {
+    const rules = {
+      maxLength: { value: 10, message: "too long" },
+      minLength: { value: 5, message: "too short" },
+    };
+    const valid = validateInput("ABCDEF", rules);
+    expect(valid).toBe("");
+    const tooShort = validateInput("ABC", rules);
+    expect(tooShort).toBe("too short");
+    const tooLong = validateInput("ABCDEFGHIJK", rules);
+    expect(tooLong).toBe("too long");
+  });
+  it("checks the regex pattern", () => {
+    const patternValue = /^t.st value$/;
+    const rules = {
+      required: true,
+      pattern: {
+        value: patternValue,
+        message: "Does not match",
+      },
+    };
+    const valid = validateInput("test value", rules);
+    expect(valid).toBe("");
+    const notMatch = validateInput("no matching", rules);
+    expect(notMatch).toBe("Does not match");
+  });
+  it("checks validate options", () => {
+    const options = [{ value: "1" }, { value: "2" }];
+
+    const match = validateOption("1", options);
+    expect(match).toStrictEqual({ value: "1" });
+    const misMatch = validateOption("3", options);
+    expect(misMatch).toBeUndefined();
+  });
+});