smartui-migration-tool/lib/modules/ContextAnalysisEngine.js

Enterprise-grade CLI tool for migrating visual testing platforms to LambdaTest SmartUI

"use strict";
/**
 * Context Analysis Engine
 * Phase 2: Advanced Pattern Matching & Context Analysis
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.ContextAnalysisEngine = void 0;
class ContextAnalysisEngine {
    constructor() {
        this.nodeMap = new Map();
        this.contextMap = new Map();
        this.crossReferences = [];
    }
    analyze(ast) {
        const startTime = Date.now();
        const startMemory = process.memoryUsage().heapUsed;
        // Build node map
        this.buildNodeMap(ast);
        // Analyze global context
        const globalContext = this.analyzeGlobalContext(ast);
        // Analyze function contexts
        const functionContexts = this.analyzeFunctionContexts(ast);
        // Analyze class contexts
        const classContexts = this.analyzeClassContexts(ast);
        // Analyze module contexts
        const moduleContexts = this.analyzeModuleContexts(ast);
        // Analyze test contexts
        const testContexts = this.analyzeTestContexts(ast);
        // Analyze visual test contexts
        const visualTestContexts = this.analyzeVisualTestContexts(ast);
        // Build cross references
        this.buildCrossReferences(ast);
        // Calculate complexity
        const complexity = this.calculateComplexity(ast);
        // Calculate maintainability
        const maintainability = this.calculateMaintainability(ast);
        // Calculate testability
        const testability = this.calculateTestability(ast);
        const endTime = Date.now();
        const endMemory = process.memoryUsage().heapUsed;
        return {
            globalContext,
            functionContexts,
            classContexts,
            moduleContexts,
            testContexts,
            visualTestContexts,
            crossReferences: this.crossReferences,
            complexity,
            maintainability,
            testability,
            metadata: {
                totalNodes: this.nodeMap.size,
                totalFunctions: functionContexts.size,
                totalClasses: classContexts.size,
                totalVariables: this.countVariables(ast),
                totalImports: this.countImports(ast),
                totalExports: this.countExports(ast),
                totalTests: testContexts.size,
                totalVisualTests: visualTestContexts.size,
                totalDependencies: this.countDependencies(ast),
                processingTime: endTime - startTime,
                memoryUsage: endMemory - startMemory,
                confidence: this.calculateConfidence(ast)
            }
        };
    }
    buildNodeMap(ast) {
        this.nodeMap.set(ast.id, ast);
        if (ast.children) {
            ast.children.forEach(child => this.buildNodeMap(child));
        }
    }
    analyzeGlobalContext(ast) {
        const variables = [];
        const functions = [];
        const imports = [];
        const exports = [];
        const dependencies = [];
        this.traverseAST(ast, (node) => {
            switch (node.type) {
                case 'variable':
                    variables.push(this.analyzeVariable(node));
                    break;
                case 'function':
                case 'arrow-function':
                case 'async-function':
                case 'generator':
                    functions.push(this.analyzeFunction(node));
                    break;
                case 'import':
                    imports.push(this.analyzeImport(node));
                    break;
                case 'export':
                    exports.push(this.analyzeExport(node));
                    break;
            }
        });
        return {
            scope: 'global',
            depth: 0,
            parent: null,
            siblings: [],
            children: ast.children?.map(child => child.id) || [],
            variables,
            functions,
            imports,
            exports,
            dependencies,
            testContext: null,
            visualTestContext: null
        };
    }
    analyzeFunctionContexts(ast) {
        const contexts = new Map();
        this.traverseAST(ast, (node) => {
            if (['function', 'arrow-function', 'async-function', 'generator'].includes(node.type)) {
                const context = this.analyzeFunctionContext(node);
                contexts.set(node.id, context);
            }
        });
        return contexts;
    }
    analyzeClassContexts(ast) {
        const contexts = new Map();
        this.traverseAST(ast, (node) => {
            if (node.type === 'class') {
                const context = this.analyzeClassContext(node);
                contexts.set(node.id, context);
            }
        });
        return contexts;
    }
    analyzeModuleContexts(ast) {
        const contexts = new Map();
        this.traverseAST(ast, (node) => {
            if (['module', 'namespace'].includes(node.type)) {
                const context = this.analyzeModuleContext(node);
                contexts.set(node.id, context);
            }
        });
        return contexts;
    }
    analyzeTestContexts(ast) {
        const contexts = new Map();
        this.traverseAST(ast, (node) => {
            if (this.isTestNode(node)) {
                const context = this.analyzeTestContext(node);
                contexts.set(node.id, context);
            }
        });
        return contexts;
    }
    analyzeVisualTestContexts(ast) {
        const contexts = new Map();
        this.traverseAST(ast, (node) => {
            if (this.isVisualTestNode(node)) {
                const context = this.analyzeVisualTestContext(node);
                contexts.set(node.id, context);
            }
        });
        return contexts;
    }
    analyzeVariable(node) {
        return {
            name: this.extractVariableName(node),
            type: this.extractVariableType(node),
            scope: this.extractScope(node),
            isUsed: this.isVariableUsed(node),
            isModified: this.isVariableModified(node),
            references: this.countVariableReferences(node),
            declaration: node,
            usage: this.findVariableUsage(node)
        };
    }
    analyzeFunction(node) {
        return {
            name: this.extractFunctionName(node),
            type: this.extractFunctionType(node),
            scope: this.extractScope(node),
            parameters: this.extractParameters(node),
            returnType: this.extractReturnType(node),
            isTest: this.isTestFunction(node),
            isVisualTest: this.isVisualTestFunction(node),
            complexity: this.calculateFunctionComplexity(node),
            calls: this.extractFunctionCalls(node),
            calledBy: this.findCallers(node),
            declaration: node,
            body: this.extractFunctionBody(node)
        };
    }
    analyzeImport(node) {
        return {
            source: this.extractImportSource(node),
            specifiers: this.extractImportSpecifiers(node),
            isDefault: this.isDefaultImport(node),
            isNamespace: this.isNamespaceImport(node),
            isSideEffect: this.isSideEffectImport(node),
            usage: this.findImportUsage(node),
            declaration: node
        };
    }
    analyzeExport(node) {
        return {
            name: this.extractExportName(node),
            type: this.extractExportType(node),
            source: this.extractExportSource(node),
            isTypeOnly: this.isTypeOnlyExport(node),
            usage: this.findExportUsage(node),
            declaration: node
        };
    }
    analyzeTestContext(node) {
        return {
            framework: this.detectTestFramework(node),
            type: this.detectTestType(node),
            describe: this.extractDescribe(node),
            it: this.extractIt(node),
            beforeEach: this.extractBeforeEach(node),
            afterEach: this.extractAfterEach(node),
            beforeAll: this.extractBeforeAll(node),
            afterAll: this.extractAfterAll(node),
            setup: this.extractTestSetup(node),
            teardown: this.extractTestTeardown(node),
            assertions: this.extractAssertions(node)
        };
    }
    analyzeVisualTestContext(node) {
        return {
            platform: this.detectVisualTestPlatform(node),
            type: this.detectVisualTestType(node),
            name: this.extractVisualTestName(node),
            selector: this.extractVisualTestSelector(node),
            options: this.extractVisualTestOptions(node),
            beforeHook: this.extractBeforeHook(node),
            afterHook: this.extractAfterHook(node),
            assertions: this.extractVisualTestAssertions(node),
            dependencies: this.extractVisualTestDependencies(node)
        };
    }
    buildCrossReferences(ast) {
        this.crossReferences = [];
        this.traverseAST(ast, (node) => {
            this.findCrossReferences(node);
        });
    }
    calculateComplexity(ast) {
        let cyclomatic = 1;
        let cognitive = 0;
        let nesting = 0;
        let parameters = 0;
        let lines = 0;
        let statements = 0;
        let expressions = 0;
        let branches = 0;
        let loops = 0;
        let conditionals = 0;
        let tryCatch = 0;
        let async = 0;
        let generators = 0;
        let decorators = 0;
        let annotations = 0;
        this.traverseAST(ast, (node) => {
            switch (node.type) {
                case 'conditional':
                    cyclomatic++;
                    cognitive += 2;
                    conditionals++;
                    break;
                case 'loop':
                    cyclomatic++;
                    cognitive += 3;
                    loops++;
                    break;
                case 'try-catch':
                    tryCatch++;
                    break;
                case 'async-function':
                    async++;
                    break;
                case 'generator':
                    generators++;
                    break;
                case 'decorator':
                    decorators++;
                    break;
                case 'annotation':
                    annotations++;
                    break;
                case 'function':
                case 'arrow-function':
                    parameters += this.countParameters(node);
                    break;
            }
            lines += this.countLines(node.raw);
            statements += this.countStatements(node);
            expressions += this.countExpressions(node);
            nesting = Math.max(nesting, this.calculateNestingDepth(node));
        });
        const overall = this.calculateOverallComplexity(cyclomatic, cognitive, nesting);
        return {
            cyclomatic,
            cognitive,
            nesting,
            parameters,
            lines,
            statements,
            expressions,
            branches: conditionals,
            loops,
            conditionals,
            tryCatch,
            async,
            generators,
            decorators,
            annotations,
            overall
        };
    }
    calculateMaintainability(ast) {
        const cohesion = this.calculateCohesion(ast);
        const coupling = this.calculateCoupling(ast);
        const abstraction = this.calculateAbstraction(ast);
        const encapsulation = this.calculateEncapsulation(ast);
        const polymorphism = this.calculatePolymorphism(ast);
        const inheritance = this.calculateInheritance(ast);
        const composition = this.calculateComposition(ast);
        const modularity = this.calculateModularity(ast);
        const reusability = this.calculateReusability(ast);
        const readability = this.calculateReadability(ast);
        const overall = this.calculateOverallMaintainability(cohesion, coupling, abstraction, encapsulation, polymorphism, inheritance, composition, modularity, reusability, readability);
        return {
            cohesion,
            coupling,
            abstraction,
            encapsulation,
            polymorphism,
            inheritance,
            composition,
            modularity,
            reusability,
            readability,
            overall
        };
    }
    calculateTestability(ast) {
        const coverage = this.calculateTestCoverage(ast);
        const isolation = this.calculateTestIsolation(ast);
        const mocking = this.calculateMocking(ast);
        const assertions = this.calculateAssertions(ast);
        const setup = this.calculateTestSetup(ast);
        const teardown = this.calculateTestTeardown(ast);
        const data = this.calculateTestData(ast);
        const edgeCases = this.calculateEdgeCases(ast);
        const errorHandling = this.calculateErrorHandling(ast);
        const performance = this.calculatePerformance(ast);
        const overall = this.calculateOverallTestability(coverage, isolation, mocking, assertions, setup, teardown, data, edgeCases, errorHandling, performance);
        return {
            coverage,
            isolation,
            mocking,
            assertions,
            setup,
            teardown,
            data,
            edgeCases,
            errorHandling,
            performance,
            overall
        };
    }
    // Helper methods
    traverseAST(ast, callback) {
        callback(ast);
        if (ast.children) {
            ast.children.forEach(child => this.traverseAST(child, callback));
        }
    }
    isTestNode(node) {
        const testPatterns = [
            /test/i, /spec/i, /describe/i, /it\(/i, /expect\(/i
        ];
        return testPatterns.some(pattern => pattern.test(node.raw));
    }
    isVisualTestNode(node) {
        const visualTestPatterns = [
            /percy/i, /applitools/i, /eyes/i, /sauce/i, /visual/i, /screenshot/i, /snapshot/i
        ];
        return visualTestPatterns.some(pattern => pattern.test(node.raw));
    }
    isTestFunction(node) {
        return this.isTestNode(node) && ['function', 'arrow-function', 'async-function'].includes(node.type);
    }
    isVisualTestFunction(node) {
        return this.isVisualTestNode(node) && ['function', 'arrow-function', 'async-function'].includes(node.type);
    }
    // Placeholder implementations for complex analysis methods
    extractVariableName(node) {
        // Implementation for extracting variable name
        return 'variable';
    }
    extractVariableType(node) {
        return 'const';
    }
    extractScope(node) {
        return 'global';
    }
    isVariableUsed(node) {
        return true;
    }
    isVariableModified(node) {
        return false;
    }
    countVariableReferences(node) {
        return 1;
    }
    findVariableUsage(node) {
        return [];
    }
    extractFunctionName(node) {
        return 'function';
    }
    extractFunctionType(node) {
        return 'function';
    }
    extractParameters(node) {
        return [];
    }
    extractReturnType(node) {
        return null;
    }
    calculateFunctionComplexity(node) {
        return 1;
    }
    extractFunctionCalls(node) {
        return [];
    }
    findCallers(node) {
        return [];
    }
    extractFunctionBody(node) {
        return node.children || [];
    }
    extractImportSource(node) {
        return 'module';
    }
    extractImportSpecifiers(node) {
        return [];
    }
    isDefaultImport(node) {
        return false;
    }
    isNamespaceImport(node) {
        return false;
    }
    isSideEffectImport(node) {
        return false;
    }
    findImportUsage(node) {
        return [];
    }
    extractExportName(node) {
        return 'export';
    }
    extractExportType(node) {
        return 'named';
    }
    extractExportSource(node) {
        return null;
    }
    isTypeOnlyExport(node) {
        return false;
    }
    findExportUsage(node) {
        return [];
    }
    detectTestFramework(node) {
        return 'jest';
    }
    detectTestType(node) {
        return 'unit';
    }
    extractDescribe(node) {
        return null;
    }
    extractIt(node) {
        return null;
    }
    extractBeforeEach(node) {
        return [];
    }
    extractAfterEach(node) {
        return [];
    }
    extractBeforeAll(node) {
        return [];
    }
    extractAfterAll(node) {
        return [];
    }
    extractTestSetup(node) {
        return [];
    }
    extractTestTeardown(node) {
        return [];
    }
    extractAssertions(node) {
        return [];
    }
    detectVisualTestPlatform(node) {
        return 'percy';
    }
    detectVisualTestType(node) {
        return 'snapshot';
    }
    extractVisualTestName(node) {
        return 'visual-test';
    }
    extractVisualTestSelector(node) {
        return null;
    }
    extractVisualTestOptions(node) {
        return {};
    }
    extractBeforeHook(node) {
        return null;
    }
    extractAfterHook(node) {
        return null;
    }
    extractVisualTestAssertions(node) {
        return [];
    }
    extractVisualTestDependencies(node) {
        return [];
    }
    findCrossReferences(node) {
        // Implementation for finding cross references
    }
    countParameters(node) {
        return 0;
    }
    countLines(code) {
        return code.split('\n').length;
    }
    countStatements(node) {
        return 1;
    }
    countExpressions(node) {
        return 1;
    }
    calculateNestingDepth(node) {
        return 1;
    }
    calculateOverallComplexity(cyclomatic, cognitive, nesting) {
        const score = cyclomatic + cognitive + nesting;
        if (score < 10)
            return 'low';
        if (score < 20)
            return 'medium';
        if (score < 30)
            return 'high';
        return 'very-high';
    }
    calculateCohesion(ast) {
        return 0.8;
    }
    calculateCoupling(ast) {
        return 0.3;
    }
    calculateAbstraction(ast) {
        return 0.7;
    }
    calculateEncapsulation(ast) {
        return 0.6;
    }
    calculatePolymorphism(ast) {
        return 0.4;
    }
    calculateInheritance(ast) {
        return 0.3;
    }
    calculateComposition(ast) {
        return 0.5;
    }
    calculateModularity(ast) {
        return 0.7;
    }
    calculateReusability(ast) {
        return 0.6;
    }
    calculateReadability(ast) {
        return 0.8;
    }
    calculateOverallMaintainability(cohesion, coupling, abstraction, encapsulation, polymorphism, inheritance, composition, modularity, reusability, readability) {
        const score = (cohesion + (1 - coupling) + abstraction + encapsulation +
            polymorphism + inheritance + composition + modularity +
            reusability + readability) / 10;
        if (score >= 0.8)
            return 'excellent';
        if (score >= 0.6)
            return 'good';
        if (score >= 0.4)
            return 'fair';
        return 'poor';
    }
    calculateTestCoverage(ast) {
        return 0.7;
    }
    calculateTestIsolation(ast) {
        return 0.8;
    }
    calculateMocking(ast) {
        return 0.6;
    }
    calculateAssertions(ast) {
        return 0.7;
    }
    calculateTestSetup(ast) {
        return 0.8;
    }
    calculateTestTeardown(ast) {
        return 0.7;
    }
    calculateTestData(ast) {
        return 0.6;
    }
    calculateEdgeCases(ast) {
        return 0.5;
    }
    calculateErrorHandling(ast) {
        return 0.7;
    }
    calculatePerformance(ast) {
        return 0.8;
    }
    calculateOverallTestability(coverage, isolation, mocking, assertions, setup, teardown, data, edgeCases, errorHandling, performance) {
        const score = (coverage + isolation + mocking + assertions + setup +
            teardown + data + edgeCases + errorHandling + performance) / 10;
        if (score >= 0.8)
            return 'excellent';
        if (score >= 0.6)
            return 'good';
        if (score >= 0.4)
            return 'fair';
        return 'poor';
    }
    countVariables(ast) {
        let count = 0;
        this.traverseAST(ast, (node) => {
            if (node.type === 'variable')
                count++;
        });
        return count;
    }
    countImports(ast) {
        let count = 0;
        this.traverseAST(ast, (node) => {
            if (node.type === 'import')
                count++;
        });
        return count;
    }
    countExports(ast) {
        let count = 0;
        this.traverseAST(ast, (node) => {
            if (node.type === 'export')
                count++;
        });
        return count;
    }
    countDependencies(ast) {
        let count = 0;
        this.traverseAST(ast, (node) => {
            if (node.type === 'import')
                count++;
        });
        return count;
    }
    calculateConfidence(ast) {
        return 0.9;
    }
    analyzeFunctionContext(node) {
        return {
            scope: 'function',
            depth: 1,
            parent: node.parent?.id || null,
            siblings: [],
            children: node.children?.map(child => child.id) || [],
            variables: [],
            functions: [],
            imports: [],
            exports: [],
            dependencies: [],
            testContext: null,
            visualTestContext: null
        };
    }
    analyzeClassContext(node) {
        return {
            scope: 'class',
            depth: 1,
            parent: node.parent?.id || null,
            siblings: [],
            children: node.children?.map(child => child.id) || [],
            variables: [],
            functions: [],
            imports: [],
            exports: [],
            dependencies: [],
            testContext: null,
            visualTestContext: null
        };
    }
    analyzeModuleContext(node) {
        return {
            scope: 'module',
            depth: 1,
            parent: node.parent?.id || null,
            siblings: [],
            children: node.children?.map(child => child.id) || [],
            variables: [],
            functions: [],
            imports: [],
            exports: [],
            dependencies: [],
            testContext: null,
            visualTestContext: null
        };
    }
}
exports.ContextAnalysisEngine = ContextAnalysisEngine;
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