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Fix Promise.all visualization for .map() patterns #247

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Merged
zhubzy merged 1 commit into from
Dec 27, 2025
Merged

Fix Promise.all visualization for .map() patterns #247

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246 changes: 246 additions & 0 deletions packages/bubble-runtime/src/extraction/BubbleParser.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -420,3 +420,249 @@ describe('BubbleParser.getPayloadJsonSchema()', () => {
expect(calculateTimeRangeStep).toBeDefined();
});
});

describe('BubbleParser Promise.all parsing', () => {
let bubbleFactory: BubbleFactory;

beforeEach(async () => {
bubbleFactory = new BubbleFactory();
await bubbleFactory.registerDefaults();
});

const extractClass = (className: string): string => {
const fixture = getFixture('promise-all-patterns');
const lines = fixture.split('\n');
const classStart = lines.findIndex((line) =>
line.includes(`export class ${className}`)
);
if (classStart === -1) {
throw new Error(`Class ${className} not found in fixture`);
}
let classEnd = lines.length;
for (let i = classStart + 1; i < lines.length; i++) {
if (
lines[i].trim().startsWith('export class') &&
!lines[i].includes(className)
) {
classEnd = i;
break;
}
}
const classLines = lines
.slice(0, classStart)
.concat(lines.slice(classStart, classEnd));
return classLines.join('\n');
};

it('should parse Promise.all with direct array literal', async () => {
const testScript = extractClass('PromiseAllDirectArrayFlow');
const bubbleParser = new BubbleParser(testScript);
const ast = parse(testScript, {
range: true,
loc: true,
sourceType: 'module',
ecmaVersion: 2022,
});
const scopeManager = analyze(ast, {
sourceType: 'module',
});
const parseResult = bubbleParser.parseBubblesFromAST(
bubbleFactory,
ast,
scopeManager
);

const parallelNode = parseResult.workflow.root.find(
(node) => node.type === 'parallel_execution'
);
expect(parallelNode).toBeDefined();
expect(parallelNode?.type).toBe('parallel_execution');

if (parallelNode?.type === 'parallel_execution') {
expect(parallelNode.children.length).toBe(3);
// Children can be function_call or transformation_function (for this.method() calls)
const validChildren = parallelNode.children.filter(
(child) =>
child.type === 'function_call' ||
child.type === 'transformation_function'
);
expect(validChildren.length).toBe(3);
}
});

it('should parse Promise.all with .push() pattern', async () => {
const testScript = extractClass('PromiseAllArrayPushFlow');
const bubbleParser = new BubbleParser(testScript);
const ast = parse(testScript, {
range: true,
loc: true,
sourceType: 'module',
ecmaVersion: 2022,
});
const scopeManager = analyze(ast, {
sourceType: 'module',
});
const parseResult = bubbleParser.parseBubblesFromAST(
bubbleFactory,
ast,
scopeManager
);

const parallelNode = parseResult.workflow.root.find(
(node) => node.type === 'parallel_execution'
);
expect(parallelNode).toBeDefined();
expect(parallelNode?.type).toBe('parallel_execution');

if (parallelNode?.type === 'parallel_execution') {
expect(parallelNode.children.length).toBe(3);
const validChildren = parallelNode.children.filter(
(child) =>
child.type === 'function_call' ||
child.type === 'transformation_function'
);
expect(validChildren.length).toBe(3);
}
});

it('should parse Promise.all with .map() pattern and literal array', async () => {
const testScript = extractClass('PromiseAllArrayMapFlow');
const bubbleParser = new BubbleParser(testScript);
const ast = parse(testScript, {
range: true,
loc: true,
sourceType: 'module',
ecmaVersion: 2022,
});
const scopeManager = analyze(ast, {
sourceType: 'module',
});
const parseResult = bubbleParser.parseBubblesFromAST(
bubbleFactory,
ast,
scopeManager
);

const parallelNode = parseResult.workflow.root.find(
(node) => node.type === 'parallel_execution'
);
expect(parallelNode).toBeDefined();
expect(parallelNode?.type).toBe('parallel_execution');

if (parallelNode?.type === 'parallel_execution') {
expect(parallelNode.children.length).toBe(3);
const validChildren = parallelNode.children.filter(
(child) =>
child.type === 'function_call' ||
child.type === 'transformation_function'
);
expect(validChildren.length).toBe(3);
}
});

it('should parse Promise.all with .map() pattern and block body callback', async () => {
const testScript = extractClass('PromiseAllArrayMapBlockFlow');
const bubbleParser = new BubbleParser(testScript);
const ast = parse(testScript, {
range: true,
loc: true,
sourceType: 'module',
ecmaVersion: 2022,
});
const scopeManager = analyze(ast, {
sourceType: 'module',
});
const parseResult = bubbleParser.parseBubblesFromAST(
bubbleFactory,
ast,
scopeManager
);

const parallelNode = parseResult.workflow.root.find(
(node) => node.type === 'parallel_execution'
);
expect(parallelNode).toBeDefined();
expect(parallelNode?.type).toBe('parallel_execution');

if (parallelNode?.type === 'parallel_execution') {
expect(parallelNode.children.length).toBe(3);
const validChildren = parallelNode.children.filter(
(child) =>
child.type === 'function_call' ||
child.type === 'transformation_function'
);
expect(validChildren.length).toBe(3);
}
});

it('should parse Promise.all with .map() pattern and variable array', async () => {
const testScript = extractClass('PromiseAllMapVariableFlow');
const bubbleParser = new BubbleParser(testScript);
const ast = parse(testScript, {
range: true,
loc: true,
sourceType: 'module',
ecmaVersion: 2022,
});
const scopeManager = analyze(ast, {
sourceType: 'module',
});
const parseResult = bubbleParser.parseBubblesFromAST(
bubbleFactory,
ast,
scopeManager
);

const parallelNode = parseResult.workflow.root.find(
(node) => node.type === 'parallel_execution'
);
expect(parallelNode).toBeDefined();
expect(parallelNode?.type).toBe('parallel_execution');

if (parallelNode?.type === 'parallel_execution') {
// requiredUsers has 2 elements, so should have 2 children
expect(parallelNode.children.length).toBeGreaterThanOrEqual(2);
const validChildren = parallelNode.children.filter(
(child) =>
child.type === 'function_call' ||
child.type === 'transformation_function'
);
expect(validChildren.length).toBeGreaterThanOrEqual(2);
}
});

it('should parse Promise.all with existing bubble-inside-promise fixture', async () => {
const testScript = getFixture('bubble-inside-promise');
const bubbleParser = new BubbleParser(testScript);
const ast = parse(testScript, {
range: true,
loc: true,
sourceType: 'module',
ecmaVersion: 2022,
});
const scopeManager = analyze(ast, {
sourceType: 'module',
});
const parseResult = bubbleParser.parseBubblesFromAST(
bubbleFactory,
ast,
scopeManager
);

// This fixture uses: Promise.all(users.map(u => new ResendBubble(...).action()))
// The .map() is called directly on array literal, not stored in variable
// So it might not be detected by our current implementation
// For now, just verify the workflow parses without errors
expect(parseResult.workflow).toBeDefined();
expect(parseResult.workflow.root).toBeDefined();

// If parallel execution is detected, verify it has children
const parallelNode = parseResult.workflow.root.find(
(node) => node.type === 'parallel_execution'
);
if (parallelNode?.type === 'parallel_execution') {
// Should have 2 children (one per user)
expect(parallelNode.children.length).toBeGreaterThan(0);
}
});
});
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