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fix: Remove fallback subtasks in parseSubtasksFromText to properly throw errors on invalid input

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This commit is contained in:
Ralph Khreish
2025-04-09 10:22:16 +02:00
parent 5e01399dca
commit 42bf897f81
2 changed files with 73 additions and 100 deletions
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123
scripts/modules/ai-services.js
View File

@@ -873,79 +873,86 @@ Note on dependencies: Subtasks can depend on other subtasks with lower IDs. Use
* @param {number} expectedCount - Expected number of subtasks
* @param {number} parentTaskId - Parent task ID
* @returns {Array} Parsed subtasks
* @throws {Error} If parsing fails or JSON is invalid
*/
function parseSubtasksFromText(text, startId, expectedCount, parentTaskId) {
// Set default values for optional parameters
startId = startId || 1;
expectedCount = expectedCount || 2; // Default to 2 subtasks if not specified
// Handle empty text case
if (!text || text.trim() === '') {
throw new Error('Empty text provided, cannot parse subtasks');
}
// Locate JSON array in the text
const jsonStartIndex = text.indexOf('[');
const jsonEndIndex = text.lastIndexOf(']');
// If no valid JSON array found, throw error
if (
jsonStartIndex === -1 ||
jsonEndIndex === -1 ||
jsonEndIndex < jsonStartIndex
) {
throw new Error('Could not locate valid JSON array in the response');
}
// Extract and parse the JSON
const jsonText = text.substring(jsonStartIndex, jsonEndIndex + 1);
let subtasks;
try {
// Locate JSON array in the text
const jsonStartIndex = text.indexOf('[');
const jsonEndIndex = text.lastIndexOf(']');
subtasks = JSON.parse(jsonText);
} catch (parseError) {
throw new Error(`Failed to parse JSON: ${parseError.message}`);
}
if (
jsonStartIndex === -1 ||
jsonEndIndex === -1 ||
jsonEndIndex < jsonStartIndex
) {
throw new Error('Could not locate valid JSON array in the response');
}
// Validate array
if (!Array.isArray(subtasks)) {
throw new Error('Parsed content is not an array');
}
// Extract and parse the JSON
const jsonText = text.substring(jsonStartIndex, jsonEndIndex + 1);
let subtasks = JSON.parse(jsonText);
// Log warning if count doesn't match expected
if (expectedCount && subtasks.length !== expectedCount) {
log(
'warn',
`Expected ${expectedCount} subtasks, but parsed ${subtasks.length}`
);
}
// Validate
if (!Array.isArray(subtasks)) {
throw new Error('Parsed content is not an array');
}
// Set default values for optional parameters
startId = startId || 1;
expectedCount = expectedCount || subtasks.length;
// Log warning if count doesn't match expected
if (expectedCount && subtasks.length !== expectedCount) {
// Normalize subtask IDs if they don't match
subtasks = subtasks.map((subtask, index) => {
// Assign the correct ID if it doesn't match
if (!subtask.id || subtask.id !== startId + index) {
log(
'warn',
`Expected ${expectedCount} subtasks, but parsed ${subtasks.length}`
`Correcting subtask ID from ${subtask.id || 'undefined'} to ${startId + index}`
);
subtask.id = startId + index;
}
// Normalize subtask IDs if they don't match
subtasks = subtasks.map((subtask, index) => {
// Assign the correct ID if it doesn't match
if (!subtask.id || subtask.id !== startId + index) {
log(
'warn',
`Correcting subtask ID from ${subtask.id || 'undefined'} to ${startId + index}`
);
subtask.id = startId + index;
}
// Convert dependencies to numbers if they are strings
if (subtask.dependencies && Array.isArray(subtask.dependencies)) {
subtask.dependencies = subtask.dependencies.map((dep) => {
return typeof dep === 'string' ? parseInt(dep, 10) : dep;
});
} else {
subtask.dependencies = [];
}
// Convert dependencies to numbers if they are strings
if (subtask.dependencies && Array.isArray(subtask.dependencies)) {
subtask.dependencies = subtask.dependencies.map((dep) => {
return typeof dep === 'string' ? parseInt(dep, 10) : dep;
});
} else {
subtask.dependencies = [];
}
// Ensure status is 'pending'
subtask.status = 'pending';
// Ensure status is 'pending'
subtask.status = 'pending';
// Add parentTaskId if provided
if (parentTaskId) {
subtask.parentTaskId = parentTaskId;
}
// Add parentTaskId if provided
if (parentTaskId) {
subtask.parentTaskId = parentTaskId;
}
return subtask;
});
return subtask;
});
return subtasks;
} catch (error) {
log('error', `Error parsing subtasks: ${error.message}`);
// Re-throw the error to be handled by the caller
throw error;
}
return subtasks;
}
/**

50
tests/unit/ai-services.test.js
View File

@@ -196,29 +196,12 @@ These subtasks will help you implement the parent task efficiently.`;
expect(result[2].dependencies).toEqual([1, 2]);
});
test('should create fallback subtasks for empty text', () => {
test('should throw an error for empty text', () => {
const emptyText = '';
const result = parseSubtasksFromText(emptyText, 1, 2, 5);
// Verify fallback subtasks structure
expect(result).toHaveLength(2);
expect(result[0]).toMatchObject({
id: 1,
title: 'Subtask 1',
description: 'Auto-generated fallback subtask',
status: 'pending',
dependencies: [],
parentTaskId: 5
});
expect(result[1]).toMatchObject({
id: 2,
title: 'Subtask 2',
description: 'Auto-generated fallback subtask',
status: 'pending',
dependencies: [],
parentTaskId: 5
});
expect(() => parseSubtasksFromText(emptyText, 1, 2, 5)).toThrow(
'Empty text provided, cannot parse subtasks'
);
});
test('should normalize subtask IDs', () => {
@@ -272,29 +255,12 @@ These subtasks will help you implement the parent task efficiently.`;
expect(typeof result[1].dependencies[0]).toBe('number');
});
test('should create fallback subtasks for invalid JSON', () => {
test('should throw an error for invalid JSON', () => {
const text = `This is not valid JSON and cannot be parsed`;
const result = parseSubtasksFromText(text, 1, 2, 5);
// Verify fallback subtasks structure
expect(result).toHaveLength(2);
expect(result[0]).toMatchObject({
id: 1,
title: 'Subtask 1',
description: 'Auto-generated fallback subtask',
status: 'pending',
dependencies: [],
parentTaskId: 5
});
expect(result[1]).toMatchObject({
id: 2,
title: 'Subtask 2',
description: 'Auto-generated fallback subtask',
status: 'pending',
dependencies: [],
parentTaskId: 5
});
expect(() => parseSubtasksFromText(text, 1, 2, 5)).toThrow(
'Could not locate valid JSON array in the response'
);
});
});