level-setting-test.js
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"use strict";
var logMethods = [
"trace",
"debug",
"info",
"warn",
"error"
];
function getConsoleMethod(logMethodName) {
if (logMethodName === 'debug') {
return console.log;
} else {
return console[logMethodName];
}
}
define(['../lib/loglevel'], function(log) {
var originalConsole = window.console;
describe("Basic log levels changing tests:", function() {
beforeEach(function() {
window.console = {};
for (var ii = 0; ii < logMethods.length; ii++) {
window.console[logMethods[ii]] = jasmine.createSpy(logMethods[ii]);
}
window.console.log = jasmine.createSpy('log');
});
afterEach(function() {
window.console = originalConsole;
});
describe("log.enableAll()", function() {
it("enables all log methods", function() {
log.enableAll(false);
for (var ii = 0; ii < logMethods.length; ii++) {
var method = logMethods[ii];
log[method]("a log message");
expect(getConsoleMethod(method)).toHaveBeenCalled();
}
});
});
describe("log.disableAll()", function() {
it("disables all log methods", function() {
log.disableAll(false);
for (var ii = 0; ii < logMethods.length; ii++) {
var method = logMethods[ii];
log[method]("a log message");
expect(getConsoleMethod(method)).not.toHaveBeenCalled();
}
});
});
describe("log.setLevel() throws errors if given", function() {
it("no level argument", function() {
expect(function() {
log.setLevel();
}).toThrow("log.setLevel() called with invalid level: undefined");
});
it("a null level argument", function() {
expect(function() {
log.setLevel(null);
}).toThrow("log.setLevel() called with invalid level: null");
});
it("an undefined level argument", function() {
expect(function() {
log.setLevel(undefined);
}).toThrow("log.setLevel() called with invalid level: undefined");
});
it("an invalid log level index", function() {
expect(function() {
log.setLevel(-1);
}).toThrow("log.setLevel() called with invalid level: -1");
});
it("an invalid log level name", function() {
expect(function() {
log.setLevel("InvalidLevelName");
}).toThrow("log.setLevel() called with invalid level: InvalidLevelName");
});
});
describe("setting log level by name", function() {
function itCanSetLogLevelTo(level) {
it("can set log level to " + level, function() {
log.setLevel(level, false);
log[level]("log message");
expect(getConsoleMethod(level)).toHaveBeenCalled();
});
}
itCanSetLogLevelTo("trace");
itCanSetLogLevelTo("debug");
itCanSetLogLevelTo("info");
itCanSetLogLevelTo("warn");
itCanSetLogLevelTo("error");
});
describe("log level settings", function() {
describe("log.trace", function() {
it("is enabled at trace level", function() {
log.setLevel(log.levels.TRACE);
log.trace("a log message");
expect(console.trace).toHaveBeenCalled();
});
it("is disabled at debug level", function() {
log.setLevel(log.levels.DEBUG);
log.trace("a log message");
expect(console.trace).not.toHaveBeenCalled();
});
it("is disabled at silent level", function() {
log.setLevel(log.levels.SILENT);
log.trace("a log message");
expect(console.trace).not.toHaveBeenCalled();
});
});
describe("log.debug", function() {
it("is enabled at trace level", function() {
log.setLevel(log.levels.TRACE);
log.debug("a log message");
expect(console.log).toHaveBeenCalled();
});
it("is enabled at debug level", function() {
log.setLevel(log.levels.DEBUG);
log.debug("a log message");
expect(console.log).toHaveBeenCalled();
});
it("is disabled at info level", function() {
log.setLevel(log.levels.INFO);
log.debug("a log message");
expect(console.log).not.toHaveBeenCalled();
});
it("is disabled at silent level", function() {
log.setLevel(log.levels.SILENT);
log.debug("a log message");
expect(console.log).not.toHaveBeenCalled();
});
});
describe("log.log", function() {
it("is enabled at trace level", function() {
log.setLevel(log.levels.TRACE);
log.log("a log message");
expect(console.log).toHaveBeenCalled();
});
it("is enabled at debug level", function() {
log.setLevel(log.levels.DEBUG);
log.log("a log message");
expect(console.log).toHaveBeenCalled();
});
it("is disabled at info level", function() {
log.setLevel(log.levels.INFO);
log.log("a log message");
expect(console.log).not.toHaveBeenCalled();
});
it("is disabled at silent level", function() {
log.setLevel(log.levels.SILENT);
log.log("a log message");
expect(console.log).not.toHaveBeenCalled();
});
});
describe("log.info", function() {
it("is enabled at debug level", function() {
log.setLevel(log.levels.DEBUG);
log.info("a log message");
expect(console.info).toHaveBeenCalled();
});
it("is enabled at info level", function() {
log.setLevel(log.levels.INFO);
log.info("a log message");
expect(console.info).toHaveBeenCalled();
});
it("is disabled at warn level", function() {
log.setLevel(log.levels.WARN);
log.info("a log message");
expect(console.info).not.toHaveBeenCalled();
});
it("is disabled at silent level", function() {
log.setLevel(log.levels.SILENT);
log.info("a log message");
expect(console.info).not.toHaveBeenCalled();
});
});
describe("log.warn", function() {
it("is enabled at info level", function() {
log.setLevel(log.levels.INFO);
log.warn("a log message");
expect(console.warn).toHaveBeenCalled();
});
it("is enabled at warn level", function() {
log.setLevel(log.levels.WARN);
log.warn("a log message");
expect(console.warn).toHaveBeenCalled();
});
it("is disabled at error level", function() {
log.setLevel(log.levels.ERROR);
log.warn("a log message");
expect(console.warn).not.toHaveBeenCalled();
});
it("is disabled at silent level", function() {
log.setLevel(log.levels.SILENT);
log.warn("a log message");
expect(console.warn).not.toHaveBeenCalled();
});
});
describe("log.error", function() {
it("is enabled at warn level", function() {
log.setLevel(log.levels.WARN);
log.error("a log message");
expect(console.error).toHaveBeenCalled();
});
it("is enabled at error level", function() {
log.setLevel(log.levels.ERROR);
log.error("a log message");
expect(console.error).toHaveBeenCalled();
});
it("is disabled at silent level", function() {
log.setLevel(log.levels.SILENT);
log.error("a log message");
expect(console.error).not.toHaveBeenCalled();
});
});
});
});
});