netcdf4-wasm/dist/test-setup.js

NetCDF4 library compiled to WebAssembly with TypeScript bindings

"use strict";
// Test setup utilities following netcdf4-python patterns
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.TestSetup = void 0;
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
class TestSetup {
    static setupTestEnvironment() {
        // Create test directory if it doesn't exist
        if (!fs.existsSync(this.testDir)) {
            fs.mkdirSync(this.testDir, { recursive: true });
        }
    }
    static getTestFilename(suffix = '') {
        this.fileCounter++;
        const filename = `test_${this.fileCounter}${suffix}.nc`;
        return path.join(this.testDir, filename);
    }
    static cleanupTestFile(filename) {
        try {
            if (fs.existsSync(filename)) {
                fs.unlinkSync(filename);
            }
        }
        catch (error) {
            // Ignore cleanup errors in tests
        }
    }
    static cleanupTestEnvironment() {
        try {
            if (fs.existsSync(this.testDir)) {
                const files = fs.readdirSync(this.testDir);
                for (const file of files) {
                    fs.unlinkSync(path.join(this.testDir, file));
                }
                fs.rmdirSync(this.testDir);
            }
        }
        catch (error) {
            // Ignore cleanup errors
        }
    }
    // Mock WASM module for testing when real module isn't available
    static mockWasmModule() {
        if (typeof global.NetCDF4Module === 'undefined') {
            global.NetCDF4Module = jest.fn().mockRejectedValue(new Error('NetCDF4Module not available in test environment'));
            return true; // Indicates we're in mock mode
        }
        return false; // Real module available
    }
    // Create test data arrays
    static createTestData(shape) {
        const size = shape.reduce((a, b) => a * b, 1);
        const data = new Float64Array(size);
        for (let i = 0; i < size; i++) {
            data[i] = i * 0.1; // Simple test pattern
        }
        return data;
    }
    // Create temperature test data (common in netCDF examples)
    static createTemperatureData(nlat, nlon) {
        const data = new Float64Array(nlat * nlon);
        for (let i = 0; i < nlat; i++) {
            for (let j = 0; j < nlon; j++) {
                // Simple temperature pattern: varies with latitude
                const lat = -90 + (i * 180) / (nlat - 1);
                data[i * nlon + j] = 273.15 + 30 * Math.cos((lat * Math.PI) / 180);
            }
        }
        return data;
    }
    // Assert arrays are approximately equal (for floating point comparisons)
    static assertArraysAlmostEqual(actual, expected, tolerance = 1e-10) {
        expect(actual.length).toBe(expected.length);
        for (let i = 0; i < actual.length; i++) {
            expect(Math.abs(actual[i] - expected[i])).toBeLessThanOrEqual(tolerance);
        }
    }
}
exports.TestSetup = TestSetup;
TestSetup.testDir = '/tmp/netcdf4-wasm-tests';
TestSetup.fileCounter = 0;
//# sourceMappingURL=test-setup.js.map