1 files changed, 31 insertions, 0 deletions
diff --git a/lib/project/tests/gui_state.test.mjs b/lib/project/tests/gui_state.test.mjs
new file mode 100644
index 0000000..10775eb
--- /dev/null
+++ b/lib/project/tests/gui_state.test.mjs
@@ -0,0 +1,31 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import {parseTime, formatTime, selection, stable, matches, monitoringGain, absolutePath} from '../src/producer/web/state.js';
+
+test('exact excerpt times work beyond four hours without wrapping', () => {
+  assert.equal(parseTime('05:12:03.125'), 18723.125);
+  assert.equal(formatTime(18723.125), '05:12:03.125');
+  assert.equal(parseTime('14400'), 14400);
+  assert.equal(formatTime(59.9999), '00:01:00');
+  for (const value of ['1:60:00', '-1', 'Infinity', '1e3', '', '00:00:60']) assert.throws(() => parseTime(value));
+  assert.deepEqual(selection('03:59:30', '04:00:00', 14400), {start: 14370, duration: 30});
+  for (const [start, end] of [['0', '121'], ['2', '1'], ['0', '0'], ['14399', '14401']]) assert.throws(() => selection(start, end, 14400));
+});
+
+test('preview identity includes source, exact selection and every requested setting', () => {
+  const snapshot = {path: 'take.wav', input_id: 'identity', start: 10, duration: 30, settings: {mp3: true, trim_silence: true, denoiser: 'none'}};
+  assert.ok(matches(snapshot, structuredClone(snapshot)));
+  assert.ok(matches(snapshot, {...snapshot, settings: {denoiser: 'none', trim_silence: true, mp3: true}}));
+  for (const change of [{path: 'other.wav'}, {input_id: 'changed'}, {start: 11}, {duration: 29}, {settings: {...snapshot.settings, trim_silence: false}}]) assert.equal(matches(snapshot, {...snapshot, ...change}), false);
+  assert.equal(matches(snapshot, null), false);
+  assert.equal(stable({b: 2, a: 1}), stable({a: 1, b: 2}));
+});
+
+test('monitoring is attenuation only and independent of export settings', () => {
+  assert.equal(monitoringGain(-6, false), 1);
+  assert.equal(monitoringGain(6, true), 1);
+  assert.equal(monitoringGain(NaN, true), 1);
+  assert.ok(Math.abs(monitoringGain(-6, true) - 0.501187) < 0.000001);
+  assert.equal(absolutePath('/recordings', 'delivery/master.wav'), '/recordings/delivery/master.wav');
+  assert.equal(absolutePath('/', './master.wav'), '/master.wav');
+});