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// active-tasks-tab.test.mjs — TDD contract tests for filterActiveTasks
//
// filterActiveTasks is imported from app.js. Tests are RED until the function
// is exported from app.js.
//
// Run with: node --test web/test/active-tasks-tab.test.mjs
import { describe, it } from 'node:test';
import assert from 'node:assert/strict';
import { filterActiveTasks } from '../app.js';
// ── Helpers ────────────────────────────────────────────────────────────────────
function makeTask(state) {
return { id: state, name: `task-${state}`, state };
}
// ── Tests ──────────────────────────────────────────────────────────────────────
describe('filterActiveTasks', () => {
it('returns only RUNNING tasks when given mixed states', () => {
const tasks = [makeTask('RUNNING'), makeTask('COMPLETED'), makeTask('PENDING')];
const result = filterActiveTasks(tasks);
assert.equal(result.length, 1);
assert.equal(result[0].state, 'RUNNING');
});
it('returns only READY tasks', () => {
const tasks = [makeTask('READY'), makeTask('FAILED'), makeTask('TIMED_OUT')];
const result = filterActiveTasks(tasks);
assert.equal(result.length, 1);
assert.equal(result[0].state, 'READY');
});
it('returns only QUEUED tasks', () => {
const tasks = [makeTask('QUEUED'), makeTask('CANCELLED'), makeTask('PENDING')];
const result = filterActiveTasks(tasks);
assert.equal(result.length, 1);
assert.equal(result[0].state, 'QUEUED');
});
it('returns only BLOCKED tasks', () => {
const tasks = [makeTask('BLOCKED'), makeTask('BUDGET_EXCEEDED'), makeTask('COMPLETED')];
const result = filterActiveTasks(tasks);
assert.equal(result.length, 1);
assert.equal(result[0].state, 'BLOCKED');
});
it('returns all four active states together, excludes PENDING/COMPLETED/FAILED/TIMED_OUT/CANCELLED/BUDGET_EXCEEDED', () => {
const allStates = [
'RUNNING', 'READY', 'QUEUED', 'BLOCKED',
'PENDING', 'COMPLETED', 'FAILED', 'TIMED_OUT', 'CANCELLED', 'BUDGET_EXCEEDED',
];
const tasks = allStates.map(makeTask);
const result = filterActiveTasks(tasks);
assert.equal(result.length, 4, 'exactly 4 active-state tasks should be returned');
for (const state of ['RUNNING', 'READY', 'QUEUED', 'BLOCKED']) {
assert.ok(result.some(t => t.state === state), `${state} should be included`);
}
for (const state of ['PENDING', 'COMPLETED', 'FAILED', 'TIMED_OUT', 'CANCELLED', 'BUDGET_EXCEEDED']) {
assert.ok(!result.some(t => t.state === state), `${state} should be excluded`);
}
});
it('returns empty array for empty input', () => {
assert.deepEqual(filterActiveTasks([]), []);
});
});
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