.config/coc/extensions/node_modules/coc-prettier/node_modules/loglevel/test/console-fallback-test.js

   1 "use strict";\r
   2 \r
   3 function consoleLogIsCalledBy(log, methodName) {\r
   4     it(methodName + " calls console.log", function() {\r
   5         log.setLevel(log.levels.TRACE);\r
   6         log[methodName]("Log message for call to " + methodName);\r
   7         expect(console.log.calls.length).toEqual(1);\r
   8     });\r
   9 }\r
  10 \r
  11 function mockConsole() {\r
  12     return {"log" : jasmine.createSpy("console.log")};\r
  13 }\r
  14 \r
  15 define(['../lib/loglevel'], function(log) {\r
  16     var originalConsole = window.console;\r
  17 \r
  18     describe("Fallback functionality:", function() {\r
  19         describe("with no console present", function() {\r
  20             beforeEach(function() {\r
  21                 window.console = undefined;\r
  22             });\r
  23 \r
  24             afterEach(function() {\r
  25                 window.console = originalConsole;\r
  26             });\r
  27 \r
  28             it("silent method calls are allowed", function() {\r
  29                 var result = log.setLevel(log.levels.SILENT);\r
  30                 log.trace("hello");\r
  31 \r
  32                 expect(result).toBeUndefined();\r
  33             });\r
  34 \r
  35             it("setting an active level gently returns an error string", function() {\r
  36                 var result = log.setLevel(log.levels.TRACE);\r
  37                 expect(result).toEqual("No console available for logging");\r
  38             });\r
  39 \r
  40             it("active method calls are allowed, once the active setLevel fails", function() {\r
  41                 log.setLevel(log.levels.TRACE);\r
  42                 log.trace("hello");\r
  43             });\r
  44 \r
  45             describe("if a console later appears", function () {\r
  46                 it("logging is re-enabled and works correctly when next used", function () {\r
  47                     log.setLevel(log.levels.WARN);\r
  48 \r
  49                     window.console = mockConsole();\r
  50                     log.error("error");\r
  51 \r
  52                     expect(window.console.log).toHaveBeenCalled();\r
  53                 });\r
  54 \r
  55                 it("logging is re-enabled but does nothing when used at a blocked level", function () {\r
  56                     log.setLevel(log.levels.WARN);\r
  57 \r
  58                     window.console = mockConsole();\r
  59                     log.trace("trace");\r
  60 \r
  61                     expect(window.console.log).not.toHaveBeenCalled();\r
  62                 });\r
  63 \r
  64                 it("changing level works correctly from that point", function () {\r
  65                     window.console = mockConsole();\r
  66                     var result = log.setLevel(log.levels.WARN);\r
  67 \r
  68                     expect(result).toBeUndefined();\r
  69                 });\r
  70             });\r
  71         });\r
  72 \r
  73         describe("with a console that only supports console.log", function() {\r
  74             beforeEach(function() {\r
  75                 window.console = mockConsole();\r
  76             });\r
  77 \r
  78             afterEach(function() {\r
  79                 window.console = originalConsole;\r
  80             });\r
  81 \r
  82             it("log can be set to silent", function() {\r
  83                 log.setLevel(log.levels.SILENT);\r
  84             });\r
  85 \r
  86             it("log can be set to an active level", function() {\r
  87                 log.setLevel(log.levels.ERROR);\r
  88             });\r
  89 \r
  90             consoleLogIsCalledBy(log, "trace");\r
  91             consoleLogIsCalledBy(log, "debug");\r
  92             consoleLogIsCalledBy(log, "info");\r
  93             consoleLogIsCalledBy(log, "warn");\r
  94             consoleLogIsCalledBy(log, "trace");\r
  95         });\r
  96     });\r
  97 });\r
  98 \r