import parseImages from "./parseImages";

it("should not return non images", () => {
  expect(parseImages(`# Header`).length).toBe(0);
});

it("should return an array of images", () => {
  const result = parseImages(`# Header
  
  ![internal](/attachments/image.png)
  `);
  expect(result.length).toBe(1);
  expect(result[0].alt).toBe("internal");
  expect(result[0].src).toBe("/attachments/image.png");
});

it("should return deeply nested images", () => {
  const result = parseImages(`# Header
  
- one
  - two
    - three ![oh my](/attachments/image.png)
  `);
  expect(result.length).toBe(1);
  expect(result[0].alt).toBe("oh my");
  expect(result[0].src).toBe("/attachments/image.png");
});

it("should not return non document links", () => {
  expect(parseImages(`[google](http://www.google.com)`).length).toBe(0);
});

it("should not return non document relative links", () => {
  expect(parseImages(`[relative](/developers)`).length).toBe(0);
});