Initial commit: Complete Shopify Price Updater implementation
- Full Node.js application with Shopify GraphQL API integration - Compare At price support for promotional pricing - Comprehensive error handling and retry logic - Progress tracking with markdown logging - Complete test suite with unit and integration tests - Production-ready with proper exit codes and signal handling
This commit is contained in:
538
tests/services/shopify.test.js
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538
tests/services/shopify.test.js
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@@ -0,0 +1,538 @@
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const ShopifyService = require("../../src/services/shopify");
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const { getConfig } = require("../../src/config/environment");
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// Mock the environment config
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jest.mock("../../src/config/environment");
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describe("ShopifyService Integration Tests", () => {
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let shopifyService;
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let mockConfig;
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beforeEach(() => {
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// Mock configuration
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mockConfig = {
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shopDomain: "test-shop.myshopify.com",
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accessToken: "test-access-token",
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targetTag: "test-tag",
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priceAdjustmentPercentage: 10,
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};
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getConfig.mockReturnValue(mockConfig);
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shopifyService = new ShopifyService();
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});
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afterEach(() => {
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jest.clearAllMocks();
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});
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describe("GraphQL Query Execution", () => {
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test("should execute product query with mock response", async () => {
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const query = `
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query getProductsByTag($tag: String!, $first: Int!, $after: String) {
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products(first: $first, after: $after, query: $tag) {
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edges {
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node {
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id
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title
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tags
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variants(first: 100) {
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edges {
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node {
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id
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price
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compareAtPrice
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}
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}
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}
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}
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}
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pageInfo {
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hasNextPage
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endCursor
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}
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}
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}
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`;
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const variables = {
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tag: "tag:test-tag",
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first: 50,
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after: null,
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};
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const response = await shopifyService.executeQuery(query, variables);
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expect(response).toHaveProperty("products");
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expect(response.products).toHaveProperty("edges");
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expect(response.products).toHaveProperty("pageInfo");
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expect(response.products.pageInfo).toHaveProperty("hasNextPage", false);
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expect(response.products.pageInfo).toHaveProperty("endCursor", null);
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});
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test("should handle query with pagination variables", async () => {
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const query = `query getProductsByTag($tag: String!, $first: Int!, $after: String) {
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products(first: $first, after: $after, query: $tag) {
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edges { node { id title } }
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pageInfo { hasNextPage endCursor }
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}
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}`;
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const variables = {
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tag: "tag:sale",
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first: 25,
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after: "eyJsYXN0X2lkIjoxMjM0NTY3ODkwfQ==",
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};
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const response = await shopifyService.executeQuery(query, variables);
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expect(response).toHaveProperty("products");
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expect(Array.isArray(response.products.edges)).toBe(true);
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});
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test("should throw error for unsupported query types", async () => {
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const unsupportedQuery = `
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query getShopInfo {
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shop {
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name
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domain
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}
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}
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`;
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await expect(
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shopifyService.executeQuery(unsupportedQuery)
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).rejects.toThrow("Simulated API - Query not implemented");
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});
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test("should handle empty query variables", async () => {
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const query = `query getProductsByTag($tag: String!, $first: Int!, $after: String) {
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products(first: $first, after: $after, query: $tag) {
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edges { node { id } }
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}
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}`;
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// Should not throw when variables is undefined
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const response = await shopifyService.executeQuery(query);
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expect(response).toHaveProperty("products");
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});
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});
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describe("GraphQL Mutation Execution", () => {
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test("should execute product variant update mutation successfully", async () => {
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const mutation = `
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mutation productVariantUpdate($input: ProductVariantInput!) {
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productVariantUpdate(input: $input) {
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productVariant {
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id
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price
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compareAtPrice
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}
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userErrors {
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field
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message
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}
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}
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}
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`;
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const variables = {
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input: {
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id: "gid://shopify/ProductVariant/123456789",
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price: "29.99",
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},
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};
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const response = await shopifyService.executeMutation(
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mutation,
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variables
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);
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expect(response).toHaveProperty("productVariantUpdate");
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expect(response.productVariantUpdate).toHaveProperty("productVariant");
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expect(response.productVariantUpdate).toHaveProperty("userErrors", []);
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expect(response.productVariantUpdate.productVariant.id).toBe(
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variables.input.id
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);
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expect(response.productVariantUpdate.productVariant.price).toBe(
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variables.input.price
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);
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});
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test("should handle mutation with compare at price", async () => {
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const mutation = `mutation productVariantUpdate($input: ProductVariantInput!) {
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productVariantUpdate(input: $input) {
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productVariant { id price compareAtPrice }
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userErrors { field message }
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}
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}`;
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const variables = {
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input: {
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id: "gid://shopify/ProductVariant/987654321",
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price: "39.99",
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compareAtPrice: "49.99",
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},
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};
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const response = await shopifyService.executeMutation(
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mutation,
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variables
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);
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expect(response.productVariantUpdate.productVariant.id).toBe(
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variables.input.id
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);
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expect(response.productVariantUpdate.productVariant.price).toBe(
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variables.input.price
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);
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});
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test("should throw error for unsupported mutation types", async () => {
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const unsupportedMutation = `
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mutation createProduct($input: ProductInput!) {
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productCreate(input: $input) {
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product { id }
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}
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}
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`;
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const variables = {
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input: {
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title: "New Product",
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},
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};
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await expect(
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shopifyService.executeMutation(unsupportedMutation, variables)
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).rejects.toThrow("Simulated API - Mutation not implemented");
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});
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test("should handle mutation with empty variables", async () => {
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const mutation = `mutation productVariantUpdate($input: ProductVariantInput!) {
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productVariantUpdate(input: $input) {
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productVariant { id price }
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userErrors { field message }
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}
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}`;
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// Should handle when variables is undefined (will cause error accessing variables.input)
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await expect(shopifyService.executeMutation(mutation)).rejects.toThrow(
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"Cannot read properties of undefined"
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);
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});
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});
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describe("Rate Limiting and Retry Logic", () => {
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test("should identify rate limiting errors correctly", () => {
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const rateLimitErrors = [
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new Error("HTTP 429 Too Many Requests"),
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new Error("Rate limit exceeded"),
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new Error("Request was throttled"),
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new Error("API rate limit reached"),
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];
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rateLimitErrors.forEach((error) => {
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expect(shopifyService.isRateLimitError(error)).toBe(true);
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});
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});
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test("should identify network errors correctly", () => {
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const networkErrors = [
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{ code: "ECONNRESET", message: "Connection reset" },
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{ code: "ENOTFOUND", message: "Host not found" },
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{ code: "ECONNREFUSED", message: "Connection refused" },
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{ code: "ETIMEDOUT", message: "Connection timeout" },
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{ code: "EAI_AGAIN", message: "DNS lookup failed" },
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new Error("Network connection failed"),
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new Error("Connection timeout occurred"),
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];
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networkErrors.forEach((error) => {
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expect(shopifyService.isNetworkError(error)).toBe(true);
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});
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});
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test("should identify server errors correctly", () => {
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const serverErrors = [
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new Error("HTTP 500 Internal Server Error"),
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new Error("HTTP 502 Bad Gateway"),
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new Error("HTTP 503 Service Unavailable"),
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new Error("HTTP 504 Gateway Timeout"),
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new Error("HTTP 505 HTTP Version Not Supported"),
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];
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serverErrors.forEach((error) => {
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expect(shopifyService.isServerError(error)).toBe(true);
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});
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});
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test("should identify Shopify temporary errors correctly", () => {
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const shopifyErrors = [
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new Error("Internal server error"),
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new Error("Service unavailable"),
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new Error("Request timeout"),
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new Error("Temporarily unavailable"),
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new Error("Under maintenance"),
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];
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shopifyErrors.forEach((error) => {
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expect(shopifyService.isShopifyTemporaryError(error)).toBe(true);
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});
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});
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test("should calculate retry delays with exponential backoff", () => {
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const baseDelay = 1000;
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shopifyService.baseRetryDelay = baseDelay;
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// Test standard exponential backoff
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expect(
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shopifyService.calculateRetryDelay(1, new Error("Network error"))
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).toBe(baseDelay);
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expect(
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shopifyService.calculateRetryDelay(2, new Error("Network error"))
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).toBe(baseDelay * 2);
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expect(
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shopifyService.calculateRetryDelay(3, new Error("Network error"))
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).toBe(baseDelay * 4);
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// Test rate limit delays (should be doubled)
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expect(
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shopifyService.calculateRetryDelay(1, new Error("Rate limit exceeded"))
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).toBe(baseDelay * 2);
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expect(shopifyService.calculateRetryDelay(2, new Error("HTTP 429"))).toBe(
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baseDelay * 4
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);
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expect(
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shopifyService.calculateRetryDelay(3, new Error("throttled"))
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).toBe(baseDelay * 8);
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});
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test("should execute operation with retry logic for retryable errors", async () => {
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let attemptCount = 0;
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const mockOperation = jest.fn().mockImplementation(() => {
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attemptCount++;
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if (attemptCount < 3) {
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throw new Error("HTTP 429 Rate limit exceeded");
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}
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return { success: true, attempt: attemptCount };
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});
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// Mock sleep to avoid actual delays in tests
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jest.spyOn(shopifyService, "sleep").mockResolvedValue();
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const result = await shopifyService.executeWithRetry(mockOperation);
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expect(result).toEqual({ success: true, attempt: 3 });
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expect(mockOperation).toHaveBeenCalledTimes(3);
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expect(shopifyService.sleep).toHaveBeenCalledTimes(2); // 2 retries
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});
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test("should fail immediately for non-retryable errors", async () => {
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const mockOperation = jest.fn().mockImplementation(() => {
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throw new Error("HTTP 400 Bad Request");
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});
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await expect(
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shopifyService.executeWithRetry(mockOperation)
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).rejects.toThrow("Non-retryable error: HTTP 400 Bad Request");
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expect(mockOperation).toHaveBeenCalledTimes(1);
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});
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test("should fail after max retries for retryable errors", async () => {
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const mockOperation = jest.fn().mockImplementation(() => {
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throw new Error("HTTP 503 Service Unavailable");
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});
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// Mock sleep to avoid actual delays
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jest.spyOn(shopifyService, "sleep").mockResolvedValue();
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await expect(
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shopifyService.executeWithRetry(mockOperation)
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).rejects.toThrow("Operation failed after 3 attempts");
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expect(mockOperation).toHaveBeenCalledTimes(3);
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});
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test("should include error history in failed operations", async () => {
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const mockOperation = jest.fn().mockImplementation(() => {
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throw new Error("HTTP 500 Internal Server Error");
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});
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jest.spyOn(shopifyService, "sleep").mockResolvedValue();
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try {
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await shopifyService.executeWithRetry(mockOperation);
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} catch (error) {
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expect(error).toHaveProperty("errorHistory");
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expect(error.errorHistory).toHaveLength(3);
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expect(error).toHaveProperty("totalAttempts", 3);
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expect(error).toHaveProperty("lastError");
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// Check error history structure
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error.errorHistory.forEach((historyEntry, index) => {
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expect(historyEntry).toHaveProperty("attempt", index + 1);
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expect(historyEntry).toHaveProperty(
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"error",
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"HTTP 500 Internal Server Error"
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);
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expect(historyEntry).toHaveProperty("timestamp");
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expect(historyEntry).toHaveProperty("retryable", true);
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});
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}
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});
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test("should use logger for retry attempts when provided", async () => {
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const mockLogger = {
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logRetryAttempt: jest.fn(),
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error: jest.fn(),
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logRateLimit: jest.fn(),
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};
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let attemptCount = 0;
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const mockOperation = jest.fn().mockImplementation(() => {
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attemptCount++;
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if (attemptCount < 2) {
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throw new Error("HTTP 429 Rate limit exceeded");
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}
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return { success: true };
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});
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jest.spyOn(shopifyService, "sleep").mockResolvedValue();
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await shopifyService.executeWithRetry(mockOperation, mockLogger);
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expect(mockLogger.logRetryAttempt).toHaveBeenCalledWith(
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1,
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3,
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"HTTP 429 Rate limit exceeded"
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);
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expect(mockLogger.logRateLimit).toHaveBeenCalledWith(2); // 2 seconds delay
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});
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test("should handle non-retryable errors with logger", async () => {
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const mockLogger = {
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logRetryAttempt: jest.fn(),
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error: jest.fn(),
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};
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const mockOperation = jest.fn().mockImplementation(() => {
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throw new Error("HTTP 400 Bad Request");
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});
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try {
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await shopifyService.executeWithRetry(mockOperation, mockLogger);
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} catch (error) {
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expect(mockLogger.error).toHaveBeenCalledWith(
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"Non-retryable error encountered: HTTP 400 Bad Request"
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);
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expect(error).toHaveProperty("errorHistory");
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}
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});
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});
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describe("Connection Testing", () => {
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test("should test connection successfully", async () => {
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const result = await shopifyService.testConnection();
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expect(result).toBe(true);
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});
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test("should handle connection test failures gracefully", async () => {
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// Mock console.error to avoid test output noise
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const consoleSpy = jest
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.spyOn(console, "error")
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.mockImplementation(() => {});
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// Override the testConnection method to simulate failure
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shopifyService.testConnection = jest.fn().mockImplementation(async () => {
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console.error("Failed to connect to Shopify API: Connection refused");
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return false;
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});
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const result = await shopifyService.testConnection();
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expect(result).toBe(false);
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consoleSpy.mockRestore();
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});
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});
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describe("API Call Limit Information", () => {
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test("should handle API call limit info when not available", async () => {
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const result = await shopifyService.getApiCallLimit();
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expect(result).toBeNull();
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});
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test("should handle API call limit errors gracefully", async () => {
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// Mock console.warn to avoid test output noise
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const consoleSpy = jest
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.spyOn(console, "warn")
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.mockImplementation(() => {});
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// Override method to simulate error
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shopifyService.getApiCallLimit = jest
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.fn()
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.mockImplementation(async () => {
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console.warn(
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"Could not retrieve API call limit info: API not initialized"
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);
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return null;
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});
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const result = await shopifyService.getApiCallLimit();
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expect(result).toBeNull();
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consoleSpy.mockRestore();
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});
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});
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describe("Error Classification", () => {
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test("should correctly classify retryable vs non-retryable errors", () => {
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const retryableErrors = [
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new Error("HTTP 429 Too Many Requests"),
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new Error("HTTP 500 Internal Server Error"),
|
||||
new Error("HTTP 502 Bad Gateway"),
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new Error("HTTP 503 Service Unavailable"),
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{ code: "ECONNRESET", message: "Connection reset" },
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{ code: "ETIMEDOUT", message: "Timeout" },
|
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new Error("Service temporarily unavailable"),
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||||
];
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const nonRetryableErrors = [
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new Error("HTTP 400 Bad Request"),
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new Error("HTTP 401 Unauthorized"),
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new Error("HTTP 403 Forbidden"),
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new Error("HTTP 404 Not Found"),
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new Error("Invalid input data"),
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new Error("Validation failed"),
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||||
];
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||||
retryableErrors.forEach((error) => {
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expect(shopifyService.isRetryableError(error)).toBe(true);
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});
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nonRetryableErrors.forEach((error) => {
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expect(shopifyService.isRetryableError(error)).toBe(false);
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||||
});
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||||
});
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||||
});
|
||||
|
||||
describe("Sleep Utility", () => {
|
||||
test("should sleep for specified duration", async () => {
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||||
const startTime = Date.now();
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await shopifyService.sleep(100); // 100ms
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||||
const endTime = Date.now();
|
||||
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||||
// Allow for some variance in timing
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||||
expect(endTime - startTime).toBeGreaterThanOrEqual(90);
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||||
expect(endTime - startTime).toBeLessThan(200);
|
||||
});
|
||||
|
||||
test("should handle zero sleep duration", async () => {
|
||||
const startTime = Date.now();
|
||||
await shopifyService.sleep(0);
|
||||
const endTime = Date.now();
|
||||
|
||||
expect(endTime - startTime).toBeLessThan(50);
|
||||
});
|
||||
});
|
||||
});
|
||||
Reference in New Issue
Block a user