Files
PriceUpdaterAppv2/tests/tui/components/screens/LogViewerScreen.test.js

318 lines
8.8 KiB
JavaScript

const LogReaderService = require("../../../../src/services/logReader");
// Mock the LogReaderService
jest.mock("../../../../src/services/logReader");
describe("LogViewerScreen - Service Integration", () => {
let mockLogReader;
let mockPaginatedData;
let mockStats;
beforeEach(() => {
jest.clearAllMocks();
// Setup mock data
mockPaginatedData = {
entries: [
{
id: "entry_1",
type: "operation_start",
timestamp: new Date("2025-08-06T20:30:00Z"),
level: "INFO",
message: "Price Update Operation Started",
title: "Price Update Operation",
details: "Target Tag: summer-sale\nPrice Adjustment: -10%",
section: "operation_start",
},
{
id: "entry_2",
type: "product_update",
timestamp: new Date("2025-08-06T20:30:30Z"),
level: "SUCCESS",
message: "Updated The Hidden Snowboard",
title: "Product Update: The Hidden Snowboard",
details:
"Product ID: gid://shopify/Product/8116504920355\nPrice: $749.99 → $674.99",
section: "progress",
productTitle: "The Hidden Snowboard",
productId: "gid://shopify/Product/8116504920355",
},
{
id: "entry_3",
type: "error",
timestamp: new Date("2025-08-06T20:31:00Z"),
level: "ERROR",
message: "Failed to update Product XYZ",
title: "Error: Product XYZ",
details: "Product ID: xyz123\nError: Rate limit exceeded",
section: "error",
productTitle: "Product XYZ",
productId: "xyz123",
},
],
pagination: {
currentPage: 0,
pageSize: 10,
totalEntries: 3,
totalPages: 1,
hasNextPage: false,
hasPreviousPage: false,
startIndex: 1,
endIndex: 3,
},
filters: {
levelFilter: "ALL",
searchTerm: "",
},
};
mockStats = {
totalEntries: 3,
byLevel: {
INFO: 1,
SUCCESS: 1,
ERROR: 1,
},
byType: {
operation_start: 1,
product_update: 1,
error: 1,
},
operations: {
total: 1,
successful: 0,
failed: 1,
rollbacks: 0,
},
};
// Setup LogReaderService mock
mockLogReader = {
getPaginatedEntries: jest.fn().mockResolvedValue(mockPaginatedData),
getLogStatistics: jest.fn().mockResolvedValue(mockStats),
clearCache: jest.fn(),
watchFile: jest.fn().mockReturnValue(() => {}),
};
LogReaderService.mockImplementation(() => mockLogReader);
});
describe("LogReaderService Integration", () => {
test("creates LogReaderService instance", () => {
const logReader = new LogReaderService();
expect(LogReaderService).toHaveBeenCalled();
});
test("calls getPaginatedEntries with correct default parameters", async () => {
const logReader = new LogReaderService();
const result = await logReader.getPaginatedEntries();
expect(mockLogReader.getPaginatedEntries).toHaveBeenCalled();
expect(result).toEqual(mockPaginatedData);
});
test("calls getLogStatistics correctly", async () => {
const logReader = new LogReaderService();
const result = await logReader.getLogStatistics();
expect(mockLogReader.getLogStatistics).toHaveBeenCalled();
expect(result).toEqual(mockStats);
});
test("supports pagination parameters", async () => {
const logReader = new LogReaderService();
await logReader.getPaginatedEntries({
page: 1,
pageSize: 5,
levelFilter: "ERROR",
searchTerm: "test",
});
expect(mockLogReader.getPaginatedEntries).toHaveBeenCalledWith({
page: 1,
pageSize: 5,
levelFilter: "ERROR",
searchTerm: "test",
});
});
test("supports cache clearing", () => {
const logReader = new LogReaderService();
logReader.clearCache();
expect(mockLogReader.clearCache).toHaveBeenCalled();
});
test("supports file watching", () => {
const logReader = new LogReaderService();
const mockCallback = jest.fn();
const cleanup = logReader.watchFile(mockCallback);
expect(mockLogReader.watchFile).toHaveBeenCalledWith(mockCallback);
expect(typeof cleanup).toBe("function");
});
});
describe("Data Structure Validation", () => {
test("validates paginated data structure", async () => {
const logReader = new LogReaderService();
const result = await logReader.getPaginatedEntries();
// Validate structure
expect(result).toHaveProperty("entries");
expect(result).toHaveProperty("pagination");
expect(result).toHaveProperty("filters");
// Validate pagination structure
expect(result.pagination).toHaveProperty("currentPage");
expect(result.pagination).toHaveProperty("pageSize");
expect(result.pagination).toHaveProperty("totalEntries");
expect(result.pagination).toHaveProperty("totalPages");
expect(result.pagination).toHaveProperty("hasNextPage");
expect(result.pagination).toHaveProperty("hasPreviousPage");
// Validate entries structure
expect(Array.isArray(result.entries)).toBe(true);
if (result.entries.length > 0) {
const entry = result.entries[0];
expect(entry).toHaveProperty("id");
expect(entry).toHaveProperty("type");
expect(entry).toHaveProperty("timestamp");
expect(entry).toHaveProperty("level");
expect(entry).toHaveProperty("message");
}
});
test("validates statistics data structure", async () => {
const logReader = new LogReaderService();
const result = await logReader.getLogStatistics();
// Validate structure
expect(result).toHaveProperty("totalEntries");
expect(result).toHaveProperty("byLevel");
expect(result).toHaveProperty("byType");
expect(result).toHaveProperty("operations");
// Validate operations structure
expect(result.operations).toHaveProperty("total");
expect(result.operations).toHaveProperty("successful");
expect(result.operations).toHaveProperty("failed");
expect(result.operations).toHaveProperty("rollbacks");
});
});
describe("Error Handling", () => {
test("handles getPaginatedEntries errors", async () => {
const error = new Error("Failed to read log file");
mockLogReader.getPaginatedEntries.mockRejectedValue(error);
const logReader = new LogReaderService();
await expect(logReader.getPaginatedEntries()).rejects.toThrow(
"Failed to read log file"
);
});
test("handles getLogStatistics errors", async () => {
const error = new Error("Failed to calculate statistics");
mockLogReader.getLogStatistics.mockRejectedValue(error);
const logReader = new LogReaderService();
await expect(logReader.getLogStatistics()).rejects.toThrow(
"Failed to calculate statistics"
);
});
});
describe("Filtering and Pagination Logic", () => {
test("supports level filtering", async () => {
const logReader = new LogReaderService();
// Test each filter level
const filterLevels = ["ALL", "ERROR", "WARNING", "INFO", "SUCCESS"];
for (const level of filterLevels) {
await logReader.getPaginatedEntries({ levelFilter: level });
expect(mockLogReader.getPaginatedEntries).toHaveBeenCalledWith(
expect.objectContaining({ levelFilter: level })
);
}
});
test("supports search functionality", async () => {
const logReader = new LogReaderService();
await logReader.getPaginatedEntries({ searchTerm: "snowboard" });
expect(mockLogReader.getPaginatedEntries).toHaveBeenCalledWith(
expect.objectContaining({ searchTerm: "snowboard" })
);
});
test("supports pagination navigation", async () => {
const logReader = new LogReaderService();
// Test different page numbers
for (let page = 0; page < 3; page++) {
await logReader.getPaginatedEntries({ page });
expect(mockLogReader.getPaginatedEntries).toHaveBeenCalledWith(
expect.objectContaining({ page })
);
}
});
test("supports different page sizes", async () => {
const logReader = new LogReaderService();
const pageSizes = [5, 10, 20, 50];
for (const pageSize of pageSizes) {
await logReader.getPaginatedEntries({ pageSize });
expect(mockLogReader.getPaginatedEntries).toHaveBeenCalledWith(
expect.objectContaining({ pageSize })
);
}
});
});
describe("Performance Considerations", () => {
test("caches results appropriately", async () => {
const logReader = new LogReaderService();
// First call
await logReader.getPaginatedEntries();
expect(mockLogReader.getPaginatedEntries).toHaveBeenCalledTimes(1);
// Cache clearing should allow fresh data
logReader.clearCache();
expect(mockLogReader.clearCache).toHaveBeenCalled();
});
test("handles large datasets efficiently", async () => {
// Mock large dataset
const largeDataset = {
...mockPaginatedData,
pagination: {
...mockPaginatedData.pagination,
totalEntries: 10000,
totalPages: 500,
},
};
mockLogReader.getPaginatedEntries.mockResolvedValue(largeDataset);
const logReader = new LogReaderService();
const result = await logReader.getPaginatedEntries({ pageSize: 20 });
expect(result.pagination.totalEntries).toBe(10000);
expect(result.pagination.totalPages).toBe(500);
});
});
});