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import { describe, it, expect, vi, afterEach } from "vitest";
import {
update_object,
walk_and_store_blobs,
skip_queue,
post_message,
handle_file,
handle_payload
} from "../helpers/data";
import { config_response, endpoint_info } from "./test_data";
import { BlobRef, Command } from "../types";
import { FileData } from "../upload";
const IS_NODE = process.env.TEST_MODE === "node";
describe("walk_and_store_blobs", () => {
it("should convert a Buffer to a Blob", async () => {
const buffer = Buffer.from("test data");
const parts = await walk_and_store_blobs(buffer, "text");
expect(parts).toHaveLength(1);
expect(parts[0].blob).toBeInstanceOf(Blob);
});
it("should return a Blob when passed a Blob", async () => {
const blob = new Blob(["test data"]);
const parts = await walk_and_store_blobs(
blob,
undefined,
[],
true,
endpoint_info
);
expect(parts[0].blob).toBeInstanceOf(Blob);
});
it("should handle arrays", async () => {
const image = new Blob([]);
const parts = await walk_and_store_blobs([image]);
expect(parts).toHaveLength(1);
expect(parts[0].blob).toBeInstanceOf(Blob);
expect(parts[0].path).toEqual(["0"]);
});
it("should handle deep structures", async () => {
const image = new Blob([]);
const parts = await walk_and_store_blobs({ a: { b: { data: { image } } } });
expect(parts).toHaveLength(1);
expect(parts[0].blob).toBeInstanceOf(Blob);
expect(parts[0].path).toEqual(["a", "b", "data", "image"]);
});
it("should handle deep structures with arrays", async () => {
const image = new Blob([]);
const parts = await walk_and_store_blobs({
a: [
{
b: [
{
data: [
{
image
}
]
}
]
}
]
});
expect(parts[0].blob).toBeInstanceOf(Blob);
});
it("should handle deep structures with arrays (with equality check)", async () => {
const image = new Blob([]);
const obj = {
a: [
{
b: [
{
data: [[image], image, [image, [image]]]
}
]
}
]
};
const parts = await walk_and_store_blobs(obj);
async function map_path(obj: Record<string, any>, parts: BlobRef[]) {
const { path, blob } = parts[parts.length - 1];
let ref = obj;
path.forEach((p) => (ref = ref[p]));
// since ref is a Blob and blob is a Blob, we deep equal check the two buffers instead
if (ref instanceof Blob && blob instanceof Blob) {
const refBuffer = Buffer.from(await ref.arrayBuffer());
const blobBuffer = Buffer.from(await blob.arrayBuffer());
return refBuffer.equals(blobBuffer);
}
return ref === blob;
}
expect(parts[0].blob).toBeInstanceOf(Blob);
expect(map_path(obj, parts)).toBeTruthy();
});
it("should handle buffer instances and return a BlobRef", async () => {
const buffer = Buffer.from("test");
const parts = await walk_and_store_blobs(buffer, undefined, ["blob"]);
expect(parts).toHaveLength(1);
expect(parts[0].blob).toBeInstanceOf(Blob);
expect(parts[0].path).toEqual(["blob"]);
});
it("should handle buffer instances with a path and return a BlobRef with the path", async () => {
const buffer = Buffer.from("test data");
const parts = await walk_and_store_blobs(buffer);
expect(parts).toHaveLength(1);
expect(parts[0].path).toEqual([]);
expect(parts[0].blob).toBeInstanceOf(Blob);
});
it("should convert an object with deep structures to BlobRefs", async () => {
const param = {
a: {
b: {
data: {
image: Buffer.from("test image")
}
}
}
};
const parts = await walk_and_store_blobs(param);
expect(parts).toHaveLength(1);
expect(parts[0].path).toEqual(["a", "b", "data", "image"]);
expect(parts[0].blob).toBeInstanceOf(Blob);
});
});
describe("update_object", () => {
it("should update the value of a nested property", () => {
const obj = {
a: {
b: {
c: "old value"
}
}
};
const stack = ["a", "b", "c"];
const new_val = "new value";
update_object(obj, new_val, stack);
expect(obj.a.b.c).toBe(new_val);
});
it("should throw an error for invalid key type", () => {
const obj = {
a: {
b: {
c: "value"
}
}
};
const stack = ["a", "b", true];
const newValue = "new value";
expect(() => {
// @ts-ignore
update_object(obj, newValue, stack);
}).toThrowError("Invalid key type");
});
});
describe("skip_queue", () => {
const id = 0;
const config = config_response;
it("should not skip queue when global and dependency queue is enabled", () => {
config.enable_queue = true;
config.dependencies.find((dep) => dep.id === id)!.queue = true;
const result = skip_queue(id, config_response);
expect(result).toBe(false);
});
it("should not skip queue when global queue is disabled and dependency queue is enabled", () => {
config.enable_queue = false;
config.dependencies.find((dep) => dep.id === id)!.queue = true;
const result = skip_queue(id, config_response);
expect(result).toBe(false);
});
it("should should skip queue when global queue and dependency queue is disabled", () => {
config.enable_queue = false;
config.dependencies.find((dep) => dep.id === id)!.queue = false;
const result = skip_queue(id, config_response);
expect(result).toBe(true);
});
it("should should skip queue when global queue is enabled and dependency queue is disabled", () => {
config.enable_queue = true;
config.dependencies.find((dep) => dep.id === id)!.queue = false;
const result = skip_queue(id, config_response);
expect(result).toBe(true);
});
});
describe("post_message", () => {
afterEach(() => {
vi.restoreAllMocks();
});
it("should send a message to the parent window and resolve with received data", async () => {
const test_data = { key: "value" };
const test_origin = "https://huggingface.co";
const post_message_mock = vi.fn();
global.window = {
// @ts-ignore
parent: {
postMessage: post_message_mock
}
};
const message_channel_mock = {
port1: {
onmessage: (handler) => {
onmessage = handler;
},
close: vi.fn()
},
port2: {}
};
vi.stubGlobal("MessageChannel", function () {
this.port1 = message_channel_mock.port1;
this.port2 = message_channel_mock.port2;
return this;
});
const promise = post_message(test_data, test_origin);
if (message_channel_mock.port1.onmessage) {
message_channel_mock.port1.onmessage({ data: test_data });
}
await expect(promise).resolves.toEqual(test_data);
expect(post_message_mock).toHaveBeenCalledWith(test_data, test_origin, [
message_channel_mock.port2
]);
});
});
describe("handle_file", () => {
it("should handle a Blob object and return the blob", () => {
const blob = new Blob(["test data"], { type: "image/png" });
const result = handle_file(blob) as FileData;
expect(result).toBe(blob);
});
it("should handle a Buffer object and return it as a blob", () => {
const buffer = Buffer.from("test data");
const result = handle_file(buffer) as FileData;
expect(result).toBeInstanceOf(Blob);
});
it("should handle a local file path and return a Command object", () => {
const file_path = "./owl.png";
const result = handle_file(file_path) as Command;
expect(result).toBeInstanceOf(Command);
expect(result).toEqual({
type: "command",
command: "upload_file",
meta: { path: "./owl.png", name: "./owl.png", orig_path: "./owl.png" },
fileData: undefined
});
});
it("should handle a File object and return it as FileData", () => {
if (IS_NODE) {
return;
}
const file = new File(["test image"], "test.png", { type: "image/png" });
const result = handle_file(file) as FileData;
expect(result).toBeInstanceOf(Blob);
});
it("should throw an error for invalid input", () => {
const invalid_input = 123;
expect(() => {
// @ts-ignore
handle_file(invalid_input);
}).toThrowError(
"Invalid input: must be a URL, File, Blob, or Buffer object."
);
});
});
describe("handle_payload", () => {
it("should return an input payload with null in place of `state` when with_null_state is true", () => {
const resolved_payload = [2];
const dependency = {
inputs: [1, 2]
};
const components = [
{ id: 1, type: "number" },
{ id: 2, type: "state" }
];
const with_null_state = true;
const result = handle_payload(
resolved_payload,
// @ts-ignore
dependency,
components,
"input",
with_null_state
);
expect(result).toEqual([2, null]);
});
it("should return an input payload with null in place of two `state` components when with_null_state is true", () => {
const resolved_payload = ["hello", "goodbye"];
const dependency = {
inputs: [1, 2, 3, 4]
};
const components = [
{ id: 1, type: "textbox" },
{ id: 2, type: "state" },
{ id: 3, type: "textbox" },
{ id: 4, type: "state" }
];
const with_null_state = true;
const result = handle_payload(
resolved_payload,
// @ts-ignore
dependency,
components,
"input",
with_null_state
);
expect(result).toEqual(["hello", null, "goodbye", null]);
});
it("should return an output payload without the state component value when with_null_state is false", () => {
const resolved_payload = ["hello", null];
const dependency = {
outputs: [2, 3]
};
const components = [
{ id: 2, type: "textbox" },
{ id: 3, type: "state" }
];
const with_null_state = false;
const result = handle_payload(
resolved_payload,
// @ts-ignore
dependency,
components,
"output",
with_null_state
);
expect(result).toEqual(["hello"]);
});
it("should return an ouput payload without the two state component values when with_null_state is false", () => {
const resolved_payload = ["hello", null, "world", null];
const dependency = {
outputs: [2, 3, 4, 5]
};
const components = [
{ id: 2, type: "textbox" },
{ id: 3, type: "state" },
{ id: 4, type: "textbox" },
{ id: 5, type: "state" }
];
const with_null_state = false;
const result = handle_payload(
resolved_payload,
// @ts-ignore
dependency,
components,
"output",
with_null_state
);
expect(result).toEqual(["hello", "world"]);
});
it("should return an ouput payload with the two state component values when with_null_state is true", () => {
const resolved_payload = ["hello", null, "world", null];
const dependency = {
outputs: [2, 3, 4, 5]
};
const components = [
{ id: 2, type: "textbox" },
{ id: 3, type: "state" },
{ id: 4, type: "textbox" },
{ id: 5, type: "state" }
];
const with_null_state = true;
const result = handle_payload(
resolved_payload,
// @ts-ignore
dependency,
components,
"output",
with_null_state
);
expect(result).toEqual(["hello", null, "world", null]);
});
it("should return the same payload where no state components are defined", () => {
const resolved_payload = ["hello", "world"];
const dependency = {
inputs: [2, 3]
};
const components = [
{ id: 2, type: "textbox" },
{ id: 3, type: "textbox" }
];
const with_null_state = true;
const result = handle_payload(
resolved_payload,
// @ts-ignore
dependency,
components,
"input",
with_null_state
);
expect(result).toEqual(["hello", "world"]);
});
});
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