energylink/public/app/features/templating/specs/variable.jest.ts

import { containsVariable, assignModelProperties } from "../variable";

describe("containsVariable", function() {
  describe("when checking if a string contains a variable", function() {
    it("should find it with $var syntax", function() {
      var contains = containsVariable("this.$test.filters", "test");
      expect(contains).toBe(true);
    });

    it("should not find it if only part matches with $var syntax", function() {
      var contains = containsVariable("this.$serverDomain.filters", "server");
      expect(contains).toBe(false);
    });

    it("should find it if it ends with variable and passing multiple test strings", function() {
      var contains = containsVariable(
        "show field keys from $pgmetric",
        "test string2",
        "pgmetric"
      );
      expect(contains).toBe(true);
    });

    it("should find it with [[var]] syntax", function() {
      var contains = containsVariable("this.[[test]].filters", "test");
      expect(contains).toBe(true);
    });

    it("should find it when part of segment", function() {
      var contains = containsVariable("metrics.$env.$group-*", "group");
      expect(contains).toBe(true);
    });

    it("should find it its the only thing", function() {
      var contains = containsVariable("$env", "env");
      expect(contains).toBe(true);
    });

    it("should be able to pass in multiple test strings", function() {
      var contains = containsVariable("asd", "asd2.$env", "env");
      expect(contains).toBe(true);
    });
  });
});

describe("assignModelProperties", function() {
  it("only set properties defined in defaults", function() {
    var target: any = { test: "asd" };
    assignModelProperties(target, { propA: 1, propB: 2 }, { propB: 0 });
    expect(target.propB).toBe(2);
    expect(target.test).toBe("asd");
  });

  it("use default value if not found on source", function() {
    var target: any = { test: "asd" };
    assignModelProperties(target, { propA: 1, propB: 2 }, { propC: 10 });
    expect(target.propC).toBe(10);
  });
});