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node_modules/loglevel/test/default-level-test.js 1.88 KB
aaac7fed   liuqimichale   add
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  "use strict";
  
  define(['test/test-helpers'], function(testHelpers) {
      var describeIf = testHelpers.describeIf;
      var it = testHelpers.itWithFreshLog;
  
      var originalConsole = window.console;
  
      describe("Setting default log level tests:", function() {
  
          beforeEach(function() {
              window.console = {"log" : jasmine.createSpy("console.log")};
              this.addMatchers({
                  "toBeAtLevel" : testHelpers.toBeAtLevel,
                  "toBeTheStoredLevel" : testHelpers.toBeTheLevelStoredByLocalStorage
              });
  
              testHelpers.clearStoredLevels();
          });
  
          afterEach(function() {
              window.console = originalConsole;
          });
  
          describe("If no level is saved", function() {
              it("new level is always set", function(log) {
                  log.setDefaultLevel("trace");
                  expect(log).toBeAtLevel("trace");
              });
  
              it("level is not persisted", function(log) {
                  log.setDefaultLevel("debug");
                  expect("debug").not.toBeTheStoredLevel();
              });
          });
          
          describe("If a level is saved", function () {
              beforeEach(function () {
                  testHelpers.setStoredLevel("trace");
              });
              
              it("saved level is not modified", function (log) {
                  log.setDefaultLevel("debug");
                  expect(log).toBeAtLevel("trace");
              });
          });
  
          describe("If the level is stored incorrectly", function() {
              beforeEach(function() {
                  testHelpers.setLocalStorageStoredLevel("gibberish");
              });
  
              it("new level is set", function(log) {
                  log.setDefaultLevel("debug");
                  expect(log).toBeAtLevel("debug");
                  expect("debug").not.toBeTheStoredLevel();
              });
          });
      });
  });