ffmpeg-explorer/tests/unit-tests/commandbuilder.js

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import { expect, test, describe } from "vitest";
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import { get } from "svelte/store";
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import { addNode, resetNodes, makeFilterArgs, previewCommand } from "../../src/stores.js";
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describe("Filter param builder", () => {
test("No params", () => {
const results = makeFilterArgs({
name: "filter",
});
expect(results).toBe("filter");
});
test("One param", () => {
const results = makeFilterArgs({
name: "filter",
params: [{ name: "param", value: 10 }],
});
expect(results).toBe("filter=param=10");
});
test("Param without values", () => {
const results = makeFilterArgs({
name: "filter",
params: [{ name: "param" }],
});
expect(results).toBe("filter");
});
test("Param with default value", () => {
const results = makeFilterArgs({
name: "filter",
params: [{ name: "param", value: 1, default: 1 }],
});
expect(results).toBe("filter");
});
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test("Lots of params", () => {
const results = makeFilterArgs({
name: "filter",
params: [
{ name: "param1", value: 1, default: 1 }, // should be ignored
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{ name: "param2", value: "" }, // should be ignored
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{ name: "param3", value: 1, default: 2 },
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{ name: "param4", value: 2 },
{ name: "param5", value: "p5" },
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],
});
expect(results).toBe("filter=param3=1:param4=2:param5=p5");
});
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});
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describe("Command builder", () => {
test("Defaults", () => {
expect(get(previewCommand).join(" ")).toBe("ffmpeg -i punch.mp4 out.mp4");
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});
test("Simple video filter", () => {
resetNodes();
addNode({ name: "filter", type: "V->V" }, "filter");
expect(get(previewCommand).join(" ")).toBe(
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`ffmpeg -i punch.mp4 -filter_complex "[0:v]filter[out_v]" -map "[out_v]" -map 0:a out.mp4`
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);
});
test("Simple audio filter", () => {
resetNodes();
addNode({ name: "filter", type: "A->A" }, "filter");
expect(get(previewCommand).join(" ")).toBe(
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`ffmpeg -i punch.mp4 -filter_complex "[0:a]filter[out_a]" -map "[out_a]" -map 0:v out.mp4`
);
});
test("One audio, one video filter", () => {
resetNodes();
addNode({ name: "afilter", type: "A->A" }, "filter");
addNode({ name: "vfilter", type: "V->V" }, "filter");
expect(get(previewCommand).join(" ")).toBe(
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`ffmpeg -i punch.mp4 -filter_complex "[0:a]afilter[out_a];[0:v]vfilter[out_v]" -map "[out_a]" -map "[out_v]" out.mp4`
);
});
test("video filter chain", () => {
resetNodes();
addNode({ name: "vfilter", type: "V->V" }, "filter");
addNode({ name: "vfilter2", type: "V->V" }, "filter");
addNode({ name: "vfilter3", type: "V->V" }, "filter");
expect(get(previewCommand).join(" ")).toBe(
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`ffmpeg -i punch.mp4 -filter_complex "[0:v]vfilter,vfilter2,vfilter3[out_v]" -map "[out_v]" -map 0:a out.mp4`
);
});
test("One audio, two video filters", () => {
resetNodes();
addNode({ name: "afilter", type: "A->A" }, "filter");
addNode({ name: "vfilter", type: "V->V" }, "filter");
addNode({ name: "vfilter2", type: "V->V" }, "filter");
expect(get(previewCommand).join(" ")).toBe(
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`ffmpeg -i punch.mp4 -filter_complex "[0:v]vfilter[1];[0:a]afilter[out_a];[1]vfilter2[out_v]" -map "[out_a]" -map "[out_v]" out.mp4`
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);
});
});