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atomico/test-dom

fixture

function that allows to keep the render on a single node for each execution of it, the container will be unmounted at the end of each execution of it.

This allows each fixture execution inside it to be related to the container used for the test, allowing you to fily test external DOM changes, example:

atomico/test-dom

fixture

function that allows to keep the render on a single node for each execution of it, the container will be unmounted at the end of each execution of it.

This allows each fixture execution inside it to be related to the container used for the test, allowing you to fily test external DOM changes, example:

import { html } from "atomico";
import { expect } from "@esm-bundle/chai";
import { fixture } from "atomico/test-dom";
import { Component } from "./component.js";


describe("my test", () => {
  it("my-component", async () => {
    // first instance of the render, it will return the component
    const component = fixture(html`<${Component}>
        <span>content...</span>
    </${Component}>`);

    await component.updated;
    
    // updates the content of the span tag of the first instance of the render
    fixture(html`<${Component}>
        <span>new content...</span>
    </${Component}>`);
    
    await component.updated;

    expect(
          component.querySelector("span").textContent
    ).to.equal("new content...");
  });
});

import { html } from "atomico";
import { expect } from "@esm-bundle/chai";
import { fixture } from "atomico/test-dom";
import { Component } from "./component.js";

describe("my test", () => {
  it("my-component", async () => {
    const component = fixture(html`<${Component}>
        <span>content...</span>
    </${Component}>`);

    await component.updated;

    /** Test logic */
  });
});

import { html } from "atomico";
import { expect } from "@esm-bundle/chai";
import { fixture } from "atomico/test-dom";
import { Component } from "./component.js";


describe("my test", () => {
  it("my-component", async () => {
    // first instance of the render, it will return the component
    const component = fixture(html`<${Component}>
        <span>content...</span>
    </${Component}>`);

    await component.updated;
    
    // updates the content of the span tag of the first instance of the render
    fixture(html`<${Component}>
        <span>new content...</span>
    </${Component}>`);
    
    await component.updated;

    expect(
          component.querySelector("span").textContent
    ).to.equal("new content...");
  });
});