import { assertEquals } from "https://deno.land/std@0.223.0/assert/mod.ts";
import { inject } from "./inject.ts";

function toInject(
  p1: number,
  p2: number,
  p3: number,
  p4: number,
  p5: number,
  p6: number,
  p7: number,
  p8: number,
  p9: number,
) {
  return [
    p1,
    p2,
    p3,
    p4,
    p5,
    p6,
    p7,
    p8,
    p9,
  ];
}

const expectedResult = [
  1,
  2,
  3,
  4,
  5,
  6,
  7,
  8,
  9,
]

Deno.test("inject with single parameter", () => {
  const injected = inject(toInject, 1);
  const result = injected(2, 3, 4, 5, 6, 7, 8, 9);
  assertEquals(result, expectedResult);
});

Deno.test("inject with two parameters", () => {
  const injected = inject(toInject, 1, 2);
  const result = injected(3, 4, 5, 6, 7, 8, 9);
  assertEquals(result, expectedResult);
});

Deno.test("inject with three parameters", () => {
  const injected = inject(toInject, 1, 2, 3);
  const result = injected(4, 5, 6, 7, 8, 9);
  assertEquals(result, expectedResult);
});

Deno.test("inject with four parameters", () => {
  const injected = inject(toInject, 1, 2, 3, 4);
  const result = injected(5, 6, 7, 8, 9);
  assertEquals(result, expectedResult);
});

Deno.test("inject with five parameters", () => {
  const injected = inject(toInject, 1, 2, 3, 4, 5);
  const result = injected(6, 7, 8, 9);
  assertEquals(result, expectedResult);
});

Deno.test("inject with six parameters", () => {
  const injected = inject(toInject, 1, 2, 3, 4, 5, 6);
  const result = injected(7, 8, 9);
  assertEquals(result, expectedResult);
});

Deno.test("inject with seven parameters", () => {
  const injected = inject(toInject, 1, 2, 3, 4, 5, 6, 7);
  const result = injected(8, 9);
  assertEquals(result, expectedResult);
});

Deno.test("inject with eight parameters", () => {
  const injected = inject(toInject, 1, 2, 3, 4, 5, 6, 7, 8);
  const result = injected(9);
  assertEquals(result, expectedResult);
});

Deno.test("inject with nine parameters", () => {
  const injected = inject(toInject, 1, 2, 3, 4, 5, 6, 7, 8, 9);
  const result = injected();
  assertEquals(result, expectedResult);
});