import interpret from "../../../../interpretor";

describe("comparison-functions", () => {
    it("should check null", () => {
        expect(interpret("isnull(null)", {})).toBeTruthy();
        expect(interpret("isnull(false)", {})).toBeFalsy();
        expect(interpret("isnull(test)", { test: null })).toBeTruthy();
        expect(interpret("between(null, 1, 100)", {})).toBeNull();
        expect(interpret("between(10, null, 100)", {})).toBeNull();
        expect(interpret("between(null, 1, 100)", {})).toBeNull();
        expect(interpret('match_characters("ko", null)', {})).toBeNull();
        expect(interpret('match_characters(null, "test")', {})).toBeNull();
    });
    it("should check isnull", () => {
        expect(interpret('isnull("ko")', {})).toBeFalsy();
        expect(interpret("isnull(1 + 2)", {})).toBeFalsy();
    });
    it("should check between", () => {
        expect(interpret("between(10, 1, 100)", {})).toBeTruthy();
        expect(interpret("between(10, 20, 100)", {})).toBeFalsy();
        expect(interpret("between(10.5, 20, 100)", {})).toBeFalsy();
    });
    it("should throw an error for string argument into between function", () => {
        expect(() => {
            interpret('between(10, "ko", 100)', {});
        }).toThrow();
    });
    it("should check match_characters", () => {
        expect(interpret('match_characters("test", "(.*)(es)(.*)?")', {})).toBeTruthy();
        expect(interpret('match_characters("test", "tes.")', {})).toBeTruthy();
        expect(interpret('match_characters("test", "tes")', {})).toBeFalsy();
        expect(interpret('match_characters("test", "[a-z]et[a-z]")', {})).toBeFalsy();
        expect(interpret('match_characters("test", "(.*)(aaaaa)(.*)?")', {})).toBeFalsy();
    });
    it("should throw an error for number argument into match_characters function", () => {
        expect(() => {
            interpret('match_characters(10.5, "pattern")', {});
        }).toThrow();
    });
});