Rename a few variables and greatly reduce the amount of data sent for steps* events

pylibs/buildbot/test/test_web_status_json.py

Index: pylibs/buildbot/test/test_web_status_json.py
diff --git a/pylibs/buildbot/test/test_web_status_json.py b/pylibs/buildbot/test/test_web_status_json.py
index d51efded328a877c9e0a6b8bd961ffc9b0c47022..ad7aac27f8dbcd9d0849628dd5ff3c462289a7e2 100644
--- a/pylibs/buildbot/test/test_web_status_json.py
+++ b/pylibs/buildbot/test/test_web_status_json.py
@@ -50,6 +50,10 @@ BuildmasterConfig = c = {
 c['builders'] = [
     BuilderConfig(name='builder1', slavename='bot1name', factory=BuildFactory()),
 ]
+c['slavePortnum'] = 0
+c['projectUrl'] = 'example.com/yay'
+c['projectName'] = 'Pouet'
+c['buildbotURL'] = 'build.example.com/yo'
 """
 
 
@@ -90,11 +94,42 @@ class TestStatusJson(unittest.TestCase):
     def testPresence(self):
         def _check(page):
             data = json.loads(page)
-            self.assertEqual(len(data), 4)
-            self.assertEqual(len(data['builders']), 1)
-            self.assertEqual(len(data['change_sources']), 1)
-            self.assertEqual(len(data['project']), 2)
-            self.assertEqual(len(data['slaves']), 1)
+            EXPECTED = {
+                'builders': {
+                    'builder1': {
+                        'basedir': 'builder1',
+                        'cachedBuilds': [],
+                        'category': None,
+                        'currentBuilds': [],
+                        'pendingBuilds': [],
+                        'slaves': ['bot1name'],
+                        'state': 'offline'
+                    }
+                },
+                'change_sources': {
+                    '0': {
+                        'description': 'PBChangeSource listener on all-purpose slaveport'
+                    }
+                },
+                'project': {
+                    'buildbotURL': 'build.example.com/yo',
+                    'projectName': 'Pouet',
+                    'projectURL': None
+                },
+                'slaves': {
+                    'bot1name': {
+                        'access_uri': None,
+                        'admin': None,
+                        'builders': {u'builder1': []},
+                        'connected': False,
+                        'host': None,
+                        'name': u'bot1name',
+                        'runningBuilds': [],
+                        'version': None
+                    }
+                }
+            }
+            self.assertEqual(EXPECTED, data)
         return self.getPage('/json', _check)
 
     def testHelp(self):