[#500] chore: fix frontend package tests

CHANGELOG.md

@@ -37,6 +37,7 @@ changes.
 - i18next library added to FE [Issue 80](https://github.com/IntersectMBO/govtool/issues/80)
 - Add possibility to vote on behalf of myself - Sole Voter [Issue 119](https://github.com/IntersectMBO/govtool/issues/119)
 - Added Nix Flakes configurtion to handle unified developers setup [Issue 526](https://github.com/IntersectMBO/govtool/issues/526)
+- Add missing test to utils [Issue 500](https://github.com/IntersectMBO/govtool/issues/500).
 
 ### Fixed
 
@@ -53,6 +54,7 @@ changes.
 - Fixed deployment scripts to address [Issue 171](https://github.com/IntersectMBO/govtool/issues/171).
 - Fixed get drep voting power incorrectly executed endpoint [Issue 280](https://github.com/IntersectMBO/govtool/issues/280).
 - Fixed CSP settings to allow error reports with Sentry [Issue 291](https://github.com/IntersectMBO/govtool/issues/291).
+- Fix frontend package tests [Issue 500](https://github.com/IntersectMBO/govtool/issues/500).
 
 ### Changed
 

govtool/frontend/.eslintrc.cjs

@@ -101,5 +101,6 @@ module.exports = {
     ".vite/",
     "dist/",
     "node_modules/",
+    "vite.config.ts",
   ],
 };

govtool/frontend/src/consts/governanceAction/fields.ts

@@ -1,5 +1,4 @@
-import { Validations } from "@utils";
-
+import { bech32Validation, numberValidation } from "@utils";
 import I18n from "@/i18n";
 import {
   GovernanceActionType,
@@ -96,7 +95,7 @@ export const GOVERNANCE_ACTION_FIELDS: GovernanceActionFields = {
       placeholderI18nKey:
         "createGovernanceAction.fields.declarations.receivingAddress.placeholder",
       rules: {
-        validate: Validations.bech32,
+        validate: bech32Validation,
       },
     },
     amount: {
@@ -109,7 +108,7 @@ export const GOVERNANCE_ACTION_FIELDS: GovernanceActionFields = {
           value: true,
           message: I18n.t("createGovernanceAction.fields.validations.required"),
         },
-        validate: Validations.number,
+        validate: numberValidation,
       },
     },
   },

govtool/frontend/src/utils/govActionValidations/bech32.ts → govtool/frontend/src/utils/bech32Validation.ts

@@ -7,7 +7,7 @@ import I18n from "@/i18n";
  * @param value - The value to be validated.
  * @returns A boolean indicating whether the value is valid or an error message if it is not valid.
  */
-export default async (value: string) => {
+export const bech32Validation = async (value: string) => {
   try {
     const decoded = await bech32.decode(value);
     if (decoded.words.length) {

govtool/frontend/src/utils/index.ts

@@ -1,5 +1,6 @@
 export * from "./adaFormat";
 export * from "./basicReducer";
+export * from "./bech32Validation";
 export * from "./callAll";
 export * from "./canonizeJSON";
 export * from "./checkIsMaintenanceOn";
@@ -11,12 +12,11 @@ export * from "./getDRepID";
 export * from "./getGovActionId";
 export * from "./getLengthInBytes";
 export * from "./getProposalTypeLabel";
-export * from "./govActionValidations";
 export * from "./isValidFormat";
 export * from "./jsonUtils";
 export * from "./localStorage";
+export * from "./numberValidation";
 export * from "./openInNewTab";
 export * from "./removeDuplicatedProposals";
 export * from "./validateMetadataHash";
 export * from "./wait";
-export * from "./generateJsonld";

govtool/frontend/src/utils/jsonUtils.ts

@@ -1,7 +1,7 @@
 import { NodeObject } from "jsonld";
 
 export const downloadJson = (json: NodeObject, fileName?: string) => {
-  const jsonString = `data:text/jsonld;chatset=utf-8,${encodeURIComponent(
+  const jsonString = `data:text/jsonld;charset=utf-8,${encodeURIComponent(
     JSON.stringify(json, null, 2),
   )}`;
   const link = document.createElement("a");

govtool/frontend/src/utils/govActionValidations/number.ts → govtool/frontend/src/utils/numberValidation.ts

@@ -6,7 +6,7 @@ import I18n from "@/i18n";
  * @param value - The string value to be validated.
  * @returns Either an error message or `true` if the value is a valid number.
  */
-export default (value: string) => {
+export const numberValidation = (value: string) => {
   const parsedValue = Number(
     value.includes(",") ? value.replace(",", ".") : value,
   );

govtool/frontend/src/utils/tests/basicReducer.test.ts

@@ -0,0 +1,24 @@
+import { basicReducer } from "../basicReducer";
+
+describe("basicReducer", () => {
+  it("should merge the previous state with the new state", () => {
+    const prevState = { count: 0, name: "John" };
+    const newState = { count: 1 };
+    const expectedState = { count: 1, name: "John" };
+
+    const result = basicReducer(prevState, newState);
+
+    expect(result).toEqual(expectedState);
+  });
+
+  it("should not modify the previous state if the new state is empty", () => {
+    const prevState = { count: 0, name: "John" };
+    const newState = {};
+    const expectedState = { count: 0, name: "John" };
+
+    const result = basicReducer(prevState, newState);
+
+    expect(result).toEqual(expectedState);
+    expect(result).toStrictEqual(prevState);
+  });
+});

govtool/frontend/src/utils/tests/bech32Validation.test.ts

@@ -0,0 +1,16 @@
+import { bech32 } from "bech32";
+
+import { bech32Validation } from "..";
+
+describe("bech32 validation", () => {
+  it("should return true for valid bech32 value", async () => {
+    const result = await bech32Validation(bech32.encode("test", [1, 2, 3]));
+    expect(result).toBe(true);
+  });
+
+  it("should return an error message for invalid bech32 value", async () => {
+    const value = "invalidBech32Value";
+    const result = await bech32Validation(value);
+    expect(result).toBe("Invalid bech32 address");
+  });
+});

govtool/frontend/src/utils/tests/callAll.test.ts

@@ -0,0 +1,27 @@
+import { vi } from "vitest";
+
+import { callAll } from "..";
+
+describe("callAll", () => {
+  it("should call all functions with provided arguments", () => {
+    const fn1 = vi.fn();
+    const fn2 = vi.fn();
+    const fn3 = vi.fn();
+
+    const combinedFn = callAll(fn1, fn2, fn3);
+    combinedFn("arg1", "arg2");
+
+    expect(fn1).toHaveBeenCalledWith("arg1", "arg2");
+    expect(fn2).toHaveBeenCalledWith("arg1", "arg2");
+    expect(fn3).toHaveBeenCalledWith("arg1", "arg2");
+  });
+
+  it("should not throw an error if any function is undefined", () => {
+    const fn1 = vi.fn();
+    const fn2 = undefined;
+    const fn3 = vi.fn();
+
+    const combinedFn = callAll(fn1, fn2, fn3);
+    expect(() => combinedFn("arg1", "arg2")).not.toThrow();
+  });
+});

govtool/frontend/src/utils/tests/jsonUtils.test.ts

@@ -0,0 +1,42 @@
+import { vi } from "vitest";
+import { downloadJson } from "..";
+
+describe("downloadJson", () => {
+  it("downloads JSON with default file name", () => {
+    const json = { name: "John Doe", age: 30 };
+    const linkMock = document.createElement("a");
+    const clickMock = vi.fn();
+    linkMock.click = clickMock;
+
+    vi.spyOn(document, "createElement").mockReturnValue(linkMock);
+
+    downloadJson(json);
+
+    expect(linkMock.href).toBe(
+      "data:text/jsonld;charset=utf-8,%7B%0A%20%20%22name%22%3A%20%22John%20Doe%22%2C%0A%20%20%22age%22%3A%2030%0A%7D",
+    );
+    expect(linkMock.download).toBe("data.jsonld");
+    expect(clickMock).toHaveBeenCalled();
+
+    vi.restoreAllMocks();
+  });
+
+  it("downloads JSON with custom file name", () => {
+    const json = { name: "John Doe", age: 30 };
+    const linkMock = document.createElement("a");
+    const clickMock = vi.fn();
+    linkMock.click = clickMock;
+
+    vi.spyOn(document, "createElement").mockReturnValue(linkMock);
+
+    downloadJson(json, "custom");
+
+    expect(linkMock.href).toBe(
+      "data:text/jsonld;charset=utf-8,%7B%0A%20%20%22name%22%3A%20%22John%20Doe%22%2C%0A%20%20%22age%22%3A%2030%0A%7D",
+    );
+    expect(linkMock.download).toBe("custom.jsonld");
+    expect(clickMock).toHaveBeenCalled();
+
+    vi.restoreAllMocks();
+  });
+});

govtool/frontend/src/utils/tests/validateMetadataHash.test.ts

@@ -0,0 +1,24 @@
+import { vi } from "vitest";
+import { API } from "@/services";
+import { validateMetadataHash } from "..";
+
+describe("validateMetadataHash", () => {
+  const mockHash = "abcdef1234567890";
+
+  it("should throw an error for invalid URL", async () => {
+    const invalidURL = "invalid-url";
+    await expect(validateMetadataHash(invalidURL, mockHash)).rejects.toThrow(
+      "Invalid URL",
+    );
+  });
+
+  it("should throw an error for invalid JSON", async () => {
+    const invalidJSONURL = "https://example.com/invalid-json";
+    vi.spyOn(API, "get").mockRejectedValueOnce(new Error("Invalid JSON"));
+    await expect(
+      validateMetadataHash(invalidJSONURL, mockHash),
+    ).rejects.toThrow("Invalid JSON");
+  });
+
+  // TODO: Provide tests for invalid hash
+});