WIP: Phase 3B playback engine handoff
This commit is contained in:
Media
@@ -4,6 +4,7 @@ const crypto = require("node:crypto");
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const { openDatabase } = require("../src/database");
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const { runMigrations } = require("../src/database/migrate");
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const { createAssetService } = require("../src/assets/service");
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const { createPlaybackService } = require("../src/playback");
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const {
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MAX_DURATION_MS,
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MIN_DURATION_MS,
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@@ -19,13 +20,22 @@ function createHarness() {
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let idCounter = 0;
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let assetCounter = 0;
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const changes = [];
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let playbackService;
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const service = createPlaylistService({
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database,
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now: () => clock,
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createId: () =>
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`00000000-0000-4000-8000-${String(++idCounter).padStart(12, "0")}`,
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onChanged: (change) => changes.push(change),
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onBeforeChange: () => {
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playbackService?.reconcile("before_domain_change");
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},
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onChanged: (change) => {
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changes.push(change);
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playbackService?.domainChanged(change);
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},
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});
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playbackService = createPlaybackService({ database, now: () => clock });
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playbackService.initialize();
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function setNow(value) {
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clock = value;
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@@ -71,7 +81,15 @@ function createHarness() {
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.get();
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}
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return { changes, database, playback, seedAsset, service, setNow };
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return {
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changes,
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database,
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playback,
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playbackService,
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seedAsset,
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service,
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setNow,
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};
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}
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function expectError(action, code, statusCode) {
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@@ -479,7 +497,7 @@ test("activation queues at a live boundary, is idempotent, and mode off is only
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durationOverrideMs: 4000,
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});
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const initial = harness.service.activate(oldPlaylist.id);
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const initial = harness.playbackService.activatePlaylist(oldPlaylist.id);
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assert.equal(initial.activation, "active");
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assert.equal(initial.playback.currentEntryId, oldEntry.id);
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assert.equal(initial.playback.slideStartedAt, BASE_TIME);
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@@ -489,7 +507,7 @@ test("activation queues at a live boundary, is idempotent, and mode off is only
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.prepare("UPDATE playback_state SET mode = 'off' WHERE output_id = 'global'")
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.run();
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harness.setNow(BASE_TIME + 1000);
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const pending = harness.service.activate(newPlaylist.id);
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const pending = harness.playbackService.activatePlaylist(newPlaylist.id);
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assert.equal(pending.activation, "pending");
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assert.equal(pending.playback.mode, "off");
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assert.equal(pending.playback.activePlaylistId, oldPlaylist.id);
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@@ -498,18 +516,18 @@ test("activation queues at a live boundary, is idempotent, and mode off is only
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const pendingRevision = pending.playback.revision;
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const requestedAt = pending.playback.pendingPlaylistRequestedAt;
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const repeated = harness.service.activate(newPlaylist.id);
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const repeated = harness.playbackService.activatePlaylist(newPlaylist.id);
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assert.equal(repeated.activation, "pending");
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assert.equal(repeated.playback.revision, pendingRevision);
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assert.equal(repeated.playback.pendingPlaylistRequestedAt, requestedAt);
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const cancel = harness.service.activate(oldPlaylist.id);
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const cancel = harness.playbackService.activatePlaylist(oldPlaylist.id);
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assert.equal(cancel.activation, "already_active");
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assert.equal(cancel.playback.pendingPlaylistId, null);
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assert.equal(cancel.playback.currentEntryId, oldEntry.id);
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harness.setNow(BASE_TIME + 7000);
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const immediate = harness.service.activate(newPlaylist.id);
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const immediate = harness.playbackService.activatePlaylist(newPlaylist.id);
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assert.equal(immediate.activation, "active");
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assert.equal(immediate.playback.activePlaylistId, newPlaylist.id);
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assert.equal(immediate.playback.pendingPlaylistId, null);
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@@ -534,7 +552,7 @@ test("paused normal playback queues and can replace a pending activation", (t) =
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harness.service.addEntry(secondTarget.id, {
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assetId: harness.seedAsset({ id: "second-target", name: "Second target" }),
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});
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harness.service.activate(current.id);
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harness.playbackService.activatePlaylist(current.id);
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harness.database
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.prepare(
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`UPDATE playback_state
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@@ -545,14 +563,14 @@ test("paused normal playback queues and can replace a pending activation", (t) =
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.run();
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harness.setNow(BASE_TIME + 1000);
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const first = harness.service.activate(firstTarget.id);
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const first = harness.playbackService.activatePlaylist(firstTarget.id);
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assert.equal(first.activation, "pending");
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assert.equal(first.playback.activePlaylistId, current.id);
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assert.equal(first.playback.pendingPlaylistId, firstTarget.id);
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assert.equal(first.playback.pausedRemainingMs, 5000);
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harness.setNow(BASE_TIME + 2000);
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const replacement = harness.service.activate(secondTarget.id);
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const replacement = harness.playbackService.activatePlaylist(secondTarget.id);
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assert.equal(replacement.activation, "pending");
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assert.equal(replacement.playback.activePlaylistId, current.id);
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assert.equal(replacement.playback.pendingPlaylistId, secondTarget.id);
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@@ -579,7 +597,7 @@ test("static and paused activation prepare the first playable normal target with
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durationOverrideMs: 9000,
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});
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assert.equal(skipped.position, 0);
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harness.service.activate(oldPlaylist.id);
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harness.playbackService.activatePlaylist(oldPlaylist.id);
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harness.database
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.prepare(
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`UPDATE playback_state
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@@ -590,7 +608,7 @@ test("static and paused activation prepare the first playable normal target with
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)
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.run(staticAssetId);
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const result = harness.service.activate(target.id);
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const result = harness.playbackService.activatePlaylist(target.id);
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assert.equal(result.activation, "active");
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assert.equal(result.playback.activePlaylistId, target.id);
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assert.equal(result.playback.staticAssetId, staticAssetId);
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@@ -611,7 +629,7 @@ test("empty activation is immediate and current-entry deletion coordinates playb
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assetId: harness.seedAsset({ id: `asset-${id}`, name: id }),
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}),
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);
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harness.service.activate(populated.id);
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harness.playbackService.activatePlaylist(populated.id);
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const futurePlaybackTimestamp = BASE_TIME + 100_000;
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harness.database
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.prepare(
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@@ -624,10 +642,10 @@ test("empty activation is immediate and current-entry deletion coordinates playb
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harness.service.removeEntry(populated.id, entries[0].id);
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const afterDelete = harness.playback();
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assert.equal(afterDelete.current_entry_id, null);
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assert.equal(afterDelete.current_entry_id, entries[1].id);
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assert.equal(afterDelete.slide_started_at, null);
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assert.equal(afterDelete.next_slide_at, null);
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assert.equal(afterDelete.paused_remaining_ms, null);
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assert.equal(afterDelete.paused_remaining_ms, 7000);
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assert.equal(afterDelete.active_playlist_id, populated.id);
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assert.equal(afterDelete.mode, "off");
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assert.equal(afterDelete.static_asset_id, "asset-second");
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@@ -646,7 +664,7 @@ test("empty activation is immediate and current-entry deletion coordinates playb
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WHERE output_id = 'global'`,
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)
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.run();
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const result = harness.service.activate(empty.id);
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const result = harness.playbackService.activatePlaylist(empty.id);
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assert.equal(result.activation, "active");
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assert.equal(result.playback.activePlaylistId, empty.id);
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assert.equal(result.playback.currentEntryId, null);
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@@ -665,7 +683,7 @@ test("inactive playlist edits do not mutate authoritative playback state", (t) =
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const draftEntry = harness.service.addEntry(inactive.id, {
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assetId: harness.seedAsset({ id: "draft", name: "Draft asset" }),
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});
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harness.service.activate(active.id);
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harness.playbackService.activatePlaylist(active.id);
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const before = harness.playback();
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harness.service.update(inactive.id, { name: "Draft edited" });
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