33 lines
664 B
JavaScript
33 lines
664 B
JavaScript
const expect = require("expect");
|
|
const dig = require("./dig.js");
|
|
|
|
const data = {
|
|
level1: {
|
|
level2: {
|
|
level3: "some data",
|
|
level3f: false,
|
|
level3a: [1, 2, 3, 4]
|
|
}
|
|
}
|
|
};
|
|
|
|
test("dig is a Function", () => {
|
|
expect(dig).toBeInstanceOf(Function);
|
|
});
|
|
|
|
test("Dig target success", () => {
|
|
expect(dig(data, "level3")).toEqual("some data");
|
|
});
|
|
|
|
test("Dig target with falsey value", () => {
|
|
expect(dig(data, "level3f")).toEqual(false);
|
|
});
|
|
|
|
test("Dig target with array", () => {
|
|
expect(dig(data, "level3a")).toEqual([1,2,3,4]);
|
|
});
|
|
|
|
test("Unknown target return undefined", () => {
|
|
expect(dig(data, "level4")).toEqual(undefined);
|
|
});
|