test/spec/AndroidlogSummarySpec.js

// Copyright 2016 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**
 * @fileoverview Jasmine test file for androidlog_summary.js.
 */

describe('AndroidlogSummary', function() {
  var logSummary;
  var basicLog;
  var time1;
  var time2;
  var time3;

  beforeEach(function() {
    logSummary = new LogSummary();
    time1 = '01-04 14:45:37.720';
    time2 = '01-04 14:45:37.721';
    time3 = '01-04 14:45:37.722';
    time4 = '01-04 14:45:37.723';
  });

  it('should properly match the Android log time format', function() {
    var regexMatchTime = time1.match(logHelper.ANDROID_TIME_FORMAT)[0];
    expect(regexMatchTime).toEqual(time1);
  });

  it('WifiStateMachine tracking should be initialized properly', function() {
    expect(logSummary.wifiStateMachines.length).toBe(0);
  });

  it('should detect wpa_supplicant disconnects and add to notes', function() {
    var log = [
        time1 + ' wpa_supplicant: wlan0: CTRL-EVENT-DISCONNECTED' +
             ' bssid=24:de:c6:e0:89:51 reason=3 locally_generated=1',
    ];

    androidlogSummary.processLogLines(log, logSummary);
    expect(logSummary.wifiStateMachines.length).toBe(1);
    expect(logSummary.wifiStateMachines[0].notes.length).toBe(1);
  });

  it('should skip a log line without a valid timestamp', function() {
    var log = [' wpa_supplicant: Deauthentication frame IE(s)' +
                    ' - hexdump(len=0): [NULL]'];
    androidlogSummary.processLogLines(log, logSummary);
    expect(logSummary.wifiStateMachines.length).toBe(0);
    expect(logSummary.logStartTime).toBe(-1);
  });

  it('should detect and store wpa_supplicant state changes', function() {
    var log = [
        time1 + ' wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING',
        time2 + ' wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED',
        time3 + ' wpa_supplicant: wlan0: State: ASSOCIATED -> COMPLETED'
    ];

    androidlogSummary.processLogLines(log, logSummary);
    expect(logSummary.wifiStateMachines.length).toBe(1);
    // We have 3 state changes in the log used for the test.  We expect 7
    // entries in the state array since all but the last state will have a start
    // and stop point.  The last state will get the endpoint in post processing
    // once the end of the log is found.
    expect(logSummary.wifiStateMachines[0].supplicantStates.length).toBe(7);
    expect(
        logSummary.wifiStateMachines[0].networkDetailedStates.length).toBe(0);
    expect(logSummary.wifiStateMachines[0].notes.length).toBe(3);
  });

  it('should detect and store WifiStateMachine state changes', function() {
    var log = [
        time1 + ' WifiStateMachine: setDetailed state, old =OBTAINING_IPADDR ' +
            'and new state=DISCONNECTED',
        time2 + ' WifiStateMachine: setDetailed state, old =DISCONNECTED ' +
            'and new state=SCANNING',
        time3 + ' WifiStateMachine: setDetailed state, old =SCANNING and ' +
            'new state=CONNECTING',
    ];

    androidlogSummary.processLogLines(log, logSummary);
    expect(logSummary.wifiStateMachines.length).toBe(1);
    expect(logSummary.wifiStateMachines[0].supplicantStates.length).toBe(0);
    // We have 3 state changes in the log used for the test.  We expect 7
    // entries in the state array since all but the last state will have a start
    // and stop point.  The last state will get the endpoint in post processing
    // once the end of the log is found.
    expect(
        logSummary.wifiStateMachines[0].networkDetailedStates.length).toBe(7);
    expect(logSummary.wifiStateMachines[0].notes.length).toBe(3);
  });

  it('should properly detect and track a mix of log lines', function() {
    var mixedLog = [
        time1 + ' wpa_supplicant: Deauthentication frame IE(s)' +
            ' - hexdump(len=0): [NULL]',
        time2 + ' wpa_supplicant: wlan0: CTRL-EVENT-DISCONNECTED' +
            ' bssid=24:de:c6:e0:89:51 reason=3 locally_generated=1',
        time3 + ' WifiStateMachine: setDetailed state, old =OBTAINING_IPADDR' +
            ' and new state=DISCONNECTED hidden=false',
        time4 + ' wpa_supplicant: wlan0: State: ASSOCIATED -> COMPLETED',
        time4 + ' LowiWifiHal: ivmh: event ignored!!'

    ];

    androidlogSummary.processLogLines(mixedLog, logSummary);
    expect(logSummary.wifiStateMachines.length).toBe(1);
    // supplicant states should have 3 entries: 2 entries for the old state and
    // 1 entry for the new state. The final state entry will be done in post
    // processing.
    expect(logSummary.wifiStateMachines[0].supplicantStates.length).toBe(3);
    // WSM states should have 3 entries: 2 for old state, 1 for new state
    expect(
        logSummary.wifiStateMachines[0].networkDetailedStates.length).toBe(3);
    // Notes should have 3 entries:
    // 1 - supplicant disconnect
    // 2 - WSM state change
    // 3 - supplicant state change.
    expect(logSummary.wifiStateMachines[0].notes.length).toBe(3);
  });
});