import { DeleteValueTransform } from "./delete";
import * as YAML from "yaml";
import { DEFAULT_YAML_CONFIG } from "../config";

describe(DeleteValueTransform.name, () => {
  describe("given valid yaml", () => {
    const yaml = YAML.stringify({
      foo: {
        bar: " fudge",
      },
      other: "prop",
    });
    it("should delete value", () => {
      const result = new DeleteValueTransform(
        { path: "foo:bar" },
        DEFAULT_YAML_CONFIG
      ).transform(yaml);
      expect(YAML.parse(result)).toEqual({
        other: "prop",
        foo: {},
      });
    });
  });

  describe("given invalid yaml", () => {
    it("should not modify value", () => {
      const result = YAML.parse(
        new DeleteValueTransform(
          { path: "foo:bar" },
          DEFAULT_YAML_CONFIG
        ).transform("bla")
      );

      expect(result).toBe("bla");
    });
  });
});