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import { assertEquals, assertThrows, test } from "./test_deps.ts";
import { Gauge } from "./gauge.ts";
test({  name: "Gauge",  fn() {    const gauge1 = Gauge.with({      name: "gauge_without_labels",      help: "help",    });
    assertEquals(gauge1.description, "gauge_without_labels");    assertEquals(gauge1.expose(), undefined);    assertEquals(gauge1.value(), undefined);
    gauge1.inc();    assertEquals(gauge1.expose(), "gauge_without_labels 1");    assertEquals(gauge1.value(), 1);    gauge1.inc(42);    assertEquals(gauge1.expose(), "gauge_without_labels 43");    assertEquals(gauge1.value(), 43);
    gauge1.dec();    assertEquals(gauge1.expose(), "gauge_without_labels 42");    assertEquals(gauge1.value(), 42);    gauge1.dec(42);    assertEquals(gauge1.expose(), "gauge_without_labels 0");    assertEquals(gauge1.value(), 0);
    assertThrows(() => {      Gauge.with({        name: "gauge_without_labels",        help: "help",        labels: [],      });    });
    const gauge2 = Gauge.with({      name: "gauge_with_labels",      help: "help",      labels: ["label1", "label2"],    });
    assertEquals(gauge2.description, "gauge_with_labels");    assertEquals(gauge2.expose(), undefined);    assertEquals(gauge2.value(), undefined);
    const gaugeLabel1 = gauge2.labels({ label1: "value1" });
    gaugeLabel1.inc();    assertEquals(gaugeLabel1.value(), 1);    gaugeLabel1.inc(42);    assertEquals(gaugeLabel1.value(), 43);    gaugeLabel1.dec();    assertEquals(gaugeLabel1.value(), 42);    gaugeLabel1.dec(17);    assertEquals(gaugeLabel1.value(), 25);  },});