devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/__internal/core/ai_integration/commands/expand.test.js)
* Version: 25.1.3
* Build date: Wed Jun 25 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import {
beforeEach,
describe,
expect,
it,
jest
} from "@jest/globals";
import {
ExpandCommand
} from "../../../core/ai_integration/commands";
import {
PromptManager
} from "../../../core/ai_integration/core/prompt_manager";
import {
RequestManager
} from "../../../core/ai_integration/core/request_manager";
import {
Provider
} from "../../../core/ai_integration/test_utils/provider_mock";
describe("ExpandCommand", (() => {
const params = {
text: "text to expansion"
};
let promptManager = null;
let requestManager = null;
let command = null;
beforeEach((() => {
const provider = new Provider;
requestManager = new RequestManager(provider);
promptManager = new PromptManager;
command = new ExpandCommand(promptManager, requestManager)
}));
describe("getTemplateName", (() => {
it("should return the name of the corresponding template", (() => {
const templateName = command.getTemplateName();
expect(templateName).toBe("expand")
}))
}));
describe("buildPromptData", (() => {
it("should form PromptData with empty object", (() => {
const promptData = command.buildPromptData(params);
expect(promptData).toEqual({
user: {
text: params.text
}
})
}))
}));
describe("parseResult", (() => {
it("should return the string without changes", (() => {
const result = command.parseResult("Expanded text");
expect(result).toBe("Expanded text")
}))
}));
describe("execute", (() => {
const callbacks = {
onComplete: () => {}
};
it("promptManager.buildPrompt should be called with parameters containing the passed values", (() => {
const buildPromptSpy = jest.spyOn(promptManager, "buildPrompt");
command.execute(params, callbacks);
expect(buildPromptSpy).toHaveBeenCalledTimes(1);
expect(promptManager.buildPrompt).toHaveBeenCalledWith("expand", {
user: {
text: params.text
}
})
}));
it("promptManager.buildPrompt should should return prompt with passed values", (() => {
jest.spyOn(promptManager, "buildPrompt");
command.execute(params, callbacks);
expect(promptManager.buildPrompt).toHaveReturnedWith({
system: "Expand the following text by adding relevant details, examples, and context while keeping the main point intact. Ensure the expanded text is coherent and logically structured. Return answer with no markdown formatting.",
user: params.text
})
}));
it("should call provider.sendRequest once and return the abort function", (() => {
const sendRequestSpy = jest.spyOn(requestManager, "sendRequest");
const abort = command.execute(params, callbacks);
expect(typeof abort).toBe("function");
expect(sendRequestSpy).toHaveBeenCalledTimes(1)
}))
}))
}));