import {
formatContentAsString,
isJSONObjectString,
jsonStringToFlatObject,
} from "../jsonUtils";
describe("isJSONObjectString", () => {
it("detects invalid JSON and JSON that's not objects", () => {
expect(isJSONObjectString("")).toEqual(false);
expect(isJSONObjectString("123")).toEqual(false);
expect(isJSONObjectString("[]")).toEqual(false);
expect(isJSONObjectString("[1, 2, 3]")).toEqual(false);
expect(isJSONObjectString("{")).toEqual(false);
expect(isJSONObjectString("{]")).toEqual(false);
expect(isJSONObjectString("{1: 2}")).toEqual(false);
expect(isJSONObjectString("{1, 2}")).toEqual(false);
expect(isJSONObjectString("{1: 2, 3}")).toEqual(false);
});
it("detects valid JSON objects", () => {
expect(isJSONObjectString("{}")).toEqual(true);
expect(isJSONObjectString('{"a": 1}')).toEqual(true);
expect(isJSONObjectString('{"a": "b"}')).toEqual(true);
expect(isJSONObjectString('{"a": {"b": 1}}')).toEqual(true);
expect(isJSONObjectString('{"a": [1, 2, 3]}')).toEqual(true);
});
});
describe("jsonStringToFlatObject", () => {
it("flattens objects", () => {
expect(jsonStringToFlatObject("{}")).toEqual({});
expect(jsonStringToFlatObject('{"a": 1}')).toEqual({ a: 1 });
expect(jsonStringToFlatObject('{"a": {"b": 1}}')).toEqual({ "a.b": 1 });
expect(jsonStringToFlatObject('{"a": {"b": {"c": 1}}}')).toEqual({
"a.b.c": 1,
});
expect(jsonStringToFlatObject('{"a": {"b": 1}, "c": 2}')).toEqual({
"a.b": 1,
c: 2,
});
});
});
describe("formatContentAsString", () => {
it("should return unknown json content as a string", () => {
const content = "Hello, world!";
expect(formatContentAsString(content)).toBe('"Hello, world!"');
const content2 = ".123";
expect(formatContentAsString(content2)).toBe('".123"');
const content3 = "True";
expect(formatContentAsString(content3)).toBe('"True"');
const content4 = "False";
expect(formatContentAsString(content4)).toBe('"False"');
const content5 = "Null";
expect(formatContentAsString(content5)).toBe('"Null"');
const content6 = "a";
expect(formatContentAsString(content6)).toBe('"a"');
const content7 = "u";
expect(formatContentAsString(content7)).toBe('"u"');
});
it("should return the content as a stringified JSON with pretty printing if it is an object", () => {
const content = { foo: "bar" };
expect(formatContentAsString(content)).toBe(
JSON.stringify(content, null, 2)
);
});
it("should return the content as a string if it is a number", () => {
const content = 123;
expect(formatContentAsString(content)).toBe("123");
const content2 = 123.456;
expect(formatContentAsString(content2)).toBe("123.456");
const content3 = -123.456;
expect(formatContentAsString(content3)).toBe("-123.456");
const content4 = 0;
expect(formatContentAsString(content4)).toBe("0");
const content6 = 0.5;
expect(formatContentAsString(content6)).toBe("0.5");
});
it("should return the content as a string if it is a boolean", () => {
const content = true;
expect(formatContentAsString(content)).toBe("true");
const content2 = false;
expect(formatContentAsString(content2)).toBe("false");
});
it("should return the content as a string if it is null", () => {
const content = null;
expect(formatContentAsString(content)).toBe("null");
});
it("should return the content as a string if it is an array", () => {
const content = [1, "2", 3, { foo: "bar" }];
expect(formatContentAsString(content)).toBe(
`[
1,
"2",
3,
{
"foo": "bar"
}
]`
);
});
it("should handle double quoted strings", () => {
const content = `"\\"Hello, world!\\""`;
expect(formatContentAsString(content)).toBe(`"Hello, world!"`);
});
});
