diff options
Diffstat (limited to 'apps/web/src/lib/retime/__tests__/resolve.test.ts')
| -rw-r--r-- | apps/web/src/lib/retime/__tests__/resolve.test.ts | 122 |
1 files changed, 61 insertions, 61 deletions
diff --git a/apps/web/src/lib/retime/__tests__/resolve.test.ts b/apps/web/src/lib/retime/__tests__/resolve.test.ts index 4fcf6249..2fbd6675 100644 --- a/apps/web/src/lib/retime/__tests__/resolve.test.ts +++ b/apps/web/src/lib/retime/__tests__/resolve.test.ts @@ -1,61 +1,61 @@ -import { describe, expect, test } from "bun:test"; -import { - getClipTimeAtSourceTime, - getEffectiveRateAt, - getSourceTimeAtClipTime, - getTimelineDurationForSourceSpan, -} from "@/lib/retime"; -import type { RetimeConfig } from "@/lib/timeline"; - -const twoX: RetimeConfig = { rate: 2 }; -const halfX: RetimeConfig = { rate: 0.5 }; - -describe("retime resolve", () => { - test("maps clip time to source time at 2x speed", () => { - expect(getSourceTimeAtClipTime({ clipTime: 5, retime: twoX })).toBe(10); - }); - - test("maps clip time to source time at 0.5x speed", () => { - expect(getSourceTimeAtClipTime({ clipTime: 4, retime: halfX })).toBe(2); - }); - - test("returns clip time unchanged when no retime", () => { - expect(getSourceTimeAtClipTime({ clipTime: 7 })).toBe(7); - }); - - test("inverts source time back to clip time at 2x speed", () => { - expect(getClipTimeAtSourceTime({ sourceTime: 10, retime: twoX })).toBe(5); - }); - - test("returns effective rate", () => { - expect(getEffectiveRateAt({ retime: twoX })).toBe(2); - expect(getEffectiveRateAt({})).toBe(1); - }); - - test("derives timeline duration for a visible source span", () => { - expect( - getTimelineDurationForSourceSpan({ sourceSpan: 10, retime: twoX }), - ).toBe(5); - expect( - getTimelineDurationForSourceSpan({ sourceSpan: 10, retime: halfX }), - ).toBe(20); - }); - - test("clamps invalid rates to 1", () => { - expect(getSourceTimeAtClipTime({ clipTime: 5, retime: { rate: 0 } })).toBe( - 5, - ); - expect( - getSourceTimeAtClipTime({ clipTime: 5, retime: { rate: -1 } }), - ).toBe(5); - }); - - test("caps retime rates above 5x", () => { - expect(getSourceTimeAtClipTime({ clipTime: 5, retime: { rate: 100 } })).toBe( - 25, - ); - expect( - getTimelineDurationForSourceSpan({ sourceSpan: 10, retime: { rate: 100 } }), - ).toBe(2); - }); -}); +import { describe, expect, test } from "bun:test";
+import {
+ getClipTimeAtSourceTime,
+ getEffectiveRateAt,
+ getSourceTimeAtClipTime,
+ getTimelineDurationForSourceSpan,
+} from "@/lib/retime";
+import type { RetimeConfig } from "@/lib/timeline";
+
+const twoX: RetimeConfig = { rate: 2 };
+const halfX: RetimeConfig = { rate: 0.5 };
+
+describe("retime resolve", () => {
+ test("maps clip time to source time at 2x speed", () => {
+ expect(getSourceTimeAtClipTime({ clipTime: 5, retime: twoX })).toBe(10);
+ });
+
+ test("maps clip time to source time at 0.5x speed", () => {
+ expect(getSourceTimeAtClipTime({ clipTime: 4, retime: halfX })).toBe(2);
+ });
+
+ test("returns clip time unchanged when no retime", () => {
+ expect(getSourceTimeAtClipTime({ clipTime: 7 })).toBe(7);
+ });
+
+ test("inverts source time back to clip time at 2x speed", () => {
+ expect(getClipTimeAtSourceTime({ sourceTime: 10, retime: twoX })).toBe(5);
+ });
+
+ test("returns effective rate", () => {
+ expect(getEffectiveRateAt({ retime: twoX })).toBe(2);
+ expect(getEffectiveRateAt({})).toBe(1);
+ });
+
+ test("derives timeline duration for a visible source span", () => {
+ expect(
+ getTimelineDurationForSourceSpan({ sourceSpan: 10, retime: twoX }),
+ ).toBe(5);
+ expect(
+ getTimelineDurationForSourceSpan({ sourceSpan: 10, retime: halfX }),
+ ).toBe(20);
+ });
+
+ test("clamps invalid rates to 1", () => {
+ expect(getSourceTimeAtClipTime({ clipTime: 5, retime: { rate: 0 } })).toBe(
+ 5,
+ );
+ expect(
+ getSourceTimeAtClipTime({ clipTime: 5, retime: { rate: -1 } }),
+ ).toBe(5);
+ });
+
+ test("caps retime rates above 5x", () => {
+ expect(getSourceTimeAtClipTime({ clipTime: 5, retime: { rate: 100 } })).toBe(
+ 25,
+ );
+ expect(
+ getTimelineDurationForSourceSpan({ sourceSpan: 10, retime: { rate: 100 } }),
+ ).toBe(2);
+ });
+});
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