123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253
// Copied from https://github.com/defunctzombie/node-util/blob/master/test/node/format.jsimport {  assert,  assertEquals,  assertStrictEquals,} from "https://deno.land/std/testing/asserts.ts";import debug from "./debug.ts";
Deno.test("passes a basic sanity check", function () {  const log = debug("test");  log.enabled = true;  log.log = () => {};
  log("hello world");});
Deno.test("allows namespaces to be a non-string value", function () {  const log = debug("test");  log.enabled = true;  log.log = () => {};
  debug.enable(true);});
Deno.test("logger should handle error as the first param", function () {  const log = debug("test");  log.enabled = true;  const messages: any[][] = [];  log.log = (...args: any[]) => messages.push(args);
  log(new Error());
  assertEquals(typeof messages[0][0], "string");  assertEquals(typeof messages[0][1], "string");});
Deno.test("honors global debug namespace enable calls", function () {  assertEquals(debug("test:12345").enabled, false);  assertEquals(debug("test:67890").enabled, false);
  debug.enable("test:12345");  assertEquals(debug("test:12345").enabled, true);  assertEquals(debug("test:67890").enabled, false);});
Deno.test("uses custom log function", function () {  const log = debug("test");  log.enabled = true;
  const messages = [];  log.log = (...args: any[]) => messages.push(args);
  log("using custom log function");  log("using custom log function again");  log("%O", 12345);
  assertEquals(messages.length, 3);});
// Extending
Deno.test("extend should extend namespace", function () {  const log = debug("foo");  log.enabled = true;  log.log = () => {};
  const logBar = log.extend("bar");  assertEquals(logBar.namespace, "foo:bar");});
Deno.test("extend should extend namespace with custom delimiter", function () {  const log = debug("foo");  log.enabled = true;  log.log = () => {};
  const logBar = log.extend("bar", "--");  assertEquals(logBar.namespace, "foo--bar");});
Deno.test("extend should extend namespace with empty delimiter", function () {  const log = debug("foo");  log.enabled = true;  log.log = () => {};
  const logBar = log.extend("bar", "");  assertStrictEquals(logBar.namespace, "foobar");});
Deno.test(  "extend should keep the log function between extensions",  function () {    const log = debug("foo");    log.log = () => {};
    const logBar = log.extend("bar");    assertStrictEquals(log.log, logBar.log);  },);
// log.destroy()
Deno.test("destroy works", function () {  const log = debug("test");  log.enabled = true;
  const messages = [];  log.log = (...args: any[]) => messages.push(args);
  log("using custom log function");  log("using custom log function again");
  log.destroy();
  log("using custom log function");
  assertEquals(messages.length, 2);});
// debug.enable
Deno.test("enable handles empty", function () {  debug.enable("");  assertEquals(debug.names, []);  assertEquals(debug.skips, []);});
Deno.test("enable works", function () {  assertEquals(debug.enabled("test"), false);
  debug.enable("test");  assertEquals(debug.enabled("test"), true);
  debug.disable();  assertEquals(debug.enabled("test"), false);});
// debug.disable
Deno.test(  "disable should keep the log function between extensions",  function () {    debug.enable("test,abc*,-abc");    const namespaces = debug.disable();    assertEquals(namespaces, "test,abc*,-abc");  },);
Deno.test("disable handles empty", function () {  debug.enable("");  const namespaces = debug.disable();  assertEquals(namespaces, "");  assertEquals(debug.names, []);  assertEquals(debug.skips, []);});
Deno.test("disable handles all", function () {  debug.enable("*");  const namespaces = debug.disable();  assertEquals(namespaces, "*");});
Deno.test("disable handles skip all", function () {  debug.enable("-*");  const namespaces = debug.disable();  assertEquals(namespaces, "-*");});
Deno.test("properly skips logging if all is disabled", function () {  debug.enable("-*");  const log = debug("test");
  const messages = [];  log.log = (...args: any[]) => messages.push(args);
  log("using custom log function");  log("using custom log function again");  log("%O", 12345);
  assertEquals(messages.length, 0);
  debug.enable("test");  debug.disable();
  log("using custom log function");  log("using custom log function again");  log("%O", 12345);
  assertEquals(messages.length, 0);});
Deno.test("names+skips same with new string", function () {  debug.enable("test,abc*,-abc");  const oldNames = [...debug.names];  const oldSkips = [...debug.skips];  const namespaces = debug.disable();  assertEquals(namespaces, "test,abc*,-abc");  debug.enable(namespaces);  assertEquals(oldNames.map(String), debug.names.map(String));  assertEquals(oldSkips.map(String), debug.skips.map(String));});
// custom formatters
Deno.test("adds a custom formatter", function () {  const log = debug("test");  log.enabled = true;  const messages: any[][] = [];  log.log = (...args: any[]) => messages.push(args);
  debug.formatters.t = function (v: any) {    return `test`;  };  debug.formatters.w = (v) => {    return v + 5;  };  log("this is: %t", "this will be ignored");  log("this is: %w", 5);
  assert(messages[0][0].includes("this is: test"));  assert(messages[1][0].includes("this is: 10"));});
Deno.test("formatters can access logger on this", function () {  const log = debug("test");  log.enabled = true;  log.log = () => {};
  debug.formatters.t = function (v: any) {    assertStrictEquals(this as any, log as any);    return `test`;  };  log("this is: %t", "this will be ignored");});
// Custom global logger
Deno.test("overrides all per-namespace log settings", function () {  const loger1 = debug("test");  loger1.enabled = true;  const loger2 = debug("test2");  loger2.enabled = true;
  const messages = [];
  debug.log = (...args: any[]) => messages.push(args);
  loger1("using custom log function");  loger2("using custom log function again");  loger1("%O", 12345);
  assertEquals(messages.length, 3);});