From 5bcf13080590b8f6404ad5c78b4752aa2e17e204 Mon Sep 17 00:00:00 2001
From: Alex Bramley <a.bramley@gmail.com>
Date: Wed, 23 Jan 2013 22:33:01 +0000
Subject: [PATCH] Remove embedded logger from state tracker. Hmmmm.

---
 state/channel.go      |  18 +++---
 state/channel_test.go |  57 +++--------------
 state/nick.go         |  10 ++-
 state/nick_test.go    |  47 +++-----------
 state/tracker.go      |  46 +++++++-------
 state/tracker_test.go | 139 ++++++++++--------------------------------
 6 files changed, 83 insertions(+), 234 deletions(-)

diff --git a/state/channel.go b/state/channel.go
index c87a00c..5067348 100644
--- a/state/channel.go
+++ b/state/channel.go
@@ -13,7 +13,6 @@ type Channel struct {
 	Modes       *ChanMode
 	lookup      map[string]*Nick
 	nicks       map[*Nick]*ChanPrivs
-	l           logging.Logger
 }
 
 // A struct representing the modes of an IRC Channel
@@ -97,13 +96,12 @@ func init() {
  * Channel methods for state management
 \******************************************************************************/
 
-func NewChannel(name string, l logging.Logger) *Channel {
+func NewChannel(name string) *Channel {
 	return &Channel{
 		Name:   name,
 		Modes:  new(ChanMode),
 		nicks:  make(map[*Nick]*ChanPrivs),
 		lookup: make(map[string]*Nick),
-		l:      l,
 	}
 }
 
@@ -124,7 +122,7 @@ func (ch *Channel) addNick(nk *Nick, cp *ChanPrivs) {
 		ch.nicks[nk] = cp
 		ch.lookup[nk.Nick] = nk
 	} else {
-		ch.l.Warn("Channel.addNick(): %s already on %s.", nk.Nick, ch.Name)
+		logging.Warn("Channel.addNick(): %s already on %s.", nk.Nick, ch.Name)
 	}
 }
 
@@ -134,7 +132,7 @@ func (ch *Channel) delNick(nk *Nick) {
 		delete(ch.nicks, nk)
 		delete(ch.lookup, nk.Nick)
 	} else {
-		ch.l.Warn("Channel.delNick(): %s not on %s.", nk.Nick, ch.Name)
+		logging.Warn("Channel.delNick(): %s not on %s.", nk.Nick, ch.Name)
 	}
 }
 
@@ -176,7 +174,7 @@ func (ch *Channel) ParseModes(modes string, modeargs ...string) {
 			} else if !modeop {
 				ch.Modes.Key = ""
 			} else {
-				ch.l.Warn("Channel.ParseModes(): not enough arguments to "+
+				logging.Warn("Channel.ParseModes(): not enough arguments to "+
 					"process MODE %s %s%c", ch.Name, modestr, m)
 			}
 		case 'l':
@@ -186,7 +184,7 @@ func (ch *Channel) ParseModes(modes string, modeargs ...string) {
 			} else if !modeop {
 				ch.Modes.Limit = 0
 			} else {
-				ch.l.Warn("Channel.ParseModes(): not enough arguments to "+
+				logging.Warn("Channel.ParseModes(): not enough arguments to "+
 					"process MODE %s %s%c", ch.Name, modestr, m)
 			}
 		case 'q', 'a', 'o', 'h', 'v':
@@ -207,15 +205,15 @@ func (ch *Channel) ParseModes(modes string, modeargs ...string) {
 					}
 					modeargs = modeargs[1:]
 				} else {
-					ch.l.Warn("Channel.ParseModes(): untracked nick %s "+
+					logging.Warn("Channel.ParseModes(): untracked nick %s "+
 						"received MODE on channel %s", modeargs[0], ch.Name)
 				}
 			} else {
-				ch.l.Warn("Channel.ParseModes(): not enough arguments to "+
+				logging.Warn("Channel.ParseModes(): not enough arguments to "+
 					"process MODE %s %s%c", ch.Name, modestr, m)
 			}
 		default:
-			ch.l.Info("Channel.ParseModes(): unknown mode char %c", m)
+			logging.Info("Channel.ParseModes(): unknown mode char %c", m)
 		}
 	}
 }
diff --git a/state/channel_test.go b/state/channel_test.go
index 48c8124..f714044 100644
--- a/state/channel_test.go
+++ b/state/channel_test.go
@@ -5,12 +5,9 @@ import (
 )
 
 func TestNewChannel(t *testing.T) {
-	_, s := setUp(t)
-	defer s.tearDown()
+	ch := NewChannel("#test1")
 
-	ch := NewChannel("#test1", s.log)
-
-	if ch.Name != "#test1" || ch.l != s.log {
+	if ch.Name != "#test1" {
 		t.Errorf("Channel not created correctly by NewChannel()")
 	}
 	if len(ch.nicks) != 0 || len(ch.lookup) != 0 {
@@ -19,11 +16,8 @@ func TestNewChannel(t *testing.T) {
 }
 
 func TestAddNick(t *testing.T) {
-	_, s := setUp(t)
-	defer s.tearDown()
-
-	ch := NewChannel("#test1", s.log)
-	nk := NewNick("test1", s.log)
+	ch := NewChannel("#test1")
+	nk := NewNick("test1")
 	cp := new(ChanPrivs)
 
 	ch.addNick(nk, cp)
@@ -37,25 +31,13 @@ func TestAddNick(t *testing.T) {
 	if n, ok := ch.lookup["test1"]; !ok || n != nk {
 		t.Errorf("Nick test1 not properly stored in lookup map.")
 	}
-
-	s.log.EXPECT().Warn("Channel.addNick(): %s already on %s.",
-		"test1", "#test1")
-	ch.addNick(nk, cp)
 }
 
 func TestDelNick(t *testing.T) {
-	_, s := setUp(t)
-	defer s.tearDown()
-
-	ch := NewChannel("#test1", s.log)
-	nk := NewNick("test1", s.log)
+	ch := NewChannel("#test1")
+	nk := NewNick("test1")
 	cp := new(ChanPrivs)
 
-	// Testing the error state first is easier
-	s.log.EXPECT().Warn("Channel.delNick(): %s not on %s.",
-		"test1", "#test1")
-	ch.delNick(nk)
-
 	ch.addNick(nk, cp)
 	ch.delNick(nk)
 	if len(ch.nicks) != 0 || len(ch.lookup) != 0 {
@@ -70,14 +52,11 @@ func TestDelNick(t *testing.T) {
 }
 
 func TestChannelParseModes(t *testing.T) {
-	_, s := setUp(t)
-	defer s.tearDown()
-
-	ch := NewChannel("#test1", s.log)
+	ch := NewChannel("#test1")
 	md := ch.Modes
 
 	// Channel modes can adjust channel privs too, so we need a Nick
-	nk := NewNick("test1", s.log)
+	nk := NewNick("test1")
 	cp := new(ChanPrivs)
 	ch.addNick(nk, cp)
 
@@ -111,9 +90,7 @@ func TestChannelParseModes(t *testing.T) {
 		t.Errorf("Limit for channel not set correctly")
 	}
 
-	// enable limit incorrectly. see nick_test.go for why the byte() cast.
-	s.log.EXPECT().Warn("Channel.ParseModes(): not enough arguments to "+
-		"process MODE %s %s%c", "#test1", "+", byte('l'))
+	// enable limit incorrectly
 	ch.ParseModes("+l")
 	if md.Limit != 256 {
 		t.Errorf("Bad limit value caused limit to be unset.")
@@ -137,8 +114,6 @@ func TestChannelParseModes(t *testing.T) {
 	}
 
 	// enable key incorrectly
-	s.log.EXPECT().Warn("Channel.ParseModes(): not enough arguments to "+
-		"process MODE %s %s%c", "#test1", "+", byte('k'))
 	ch.ParseModes("+k")
 	if md.Key != "foobar" {
 		t.Errorf("Bad key value caused key to be unset.")
@@ -159,18 +134,8 @@ func TestChannelParseModes(t *testing.T) {
 		t.Errorf("Channel privileges not flipped correctly by ParseModes.")
 	}
 
-	s.log.EXPECT().Warn("Channel.ParseModes(): untracked nick %s "+
-		"received MODE on channel %s", "test2", "#test1")
-	ch.ParseModes("+v", "test2")
-
-	s.log.EXPECT().Warn("Channel.ParseModes(): not enough arguments to "+
-		"process MODE %s %s%c", "#test1", "-", byte('v'))
-	ch.ParseModes("-v")
-
 	// Test a random mix of modes, just to be sure
 	md.Limit = 256
-	s.log.EXPECT().Warn("Channel.ParseModes(): not enough arguments to "+
-		"process MODE %s %s%c", "#test1", "-", byte('h'))
 	ch.ParseModes("+zpt-qsl+kv-h", "test1", "foobar", "test1")
 
 	if !md.Private || md.Secret || !md.ProtectedTopic || !md.NoExternalMsg ||
@@ -184,8 +149,4 @@ func TestChannelParseModes(t *testing.T) {
 		// NOTE: HalfOp not actually unset above thanks to deliberate error.
 		t.Errorf("Channel privileges not flipped correctly by ParseModes (2).")
 	}
-
-	// Finally, check we get an info log for an unrecognised mode character
-	s.log.EXPECT().Info("Channel.ParseModes(): unknown mode char %c", byte('d'))
-	ch.ParseModes("+d")
 }
diff --git a/state/nick.go b/state/nick.go
index 725e698..96a0b48 100644
--- a/state/nick.go
+++ b/state/nick.go
@@ -11,7 +11,6 @@ type Nick struct {
 	Modes                   *NickMode
 	lookup                  map[string]*Channel
 	chans                   map[*Channel]*ChanPrivs
-	l                       logging.Logger
 }
 
 // A struct representing the modes of an IRC Nick (User Modes)
@@ -45,13 +44,12 @@ func init() {
  * Nick methods for state management
 \******************************************************************************/
 
-func NewNick(n string, l logging.Logger) *Nick {
+func NewNick(n string) *Nick {
 	return &Nick{
 		Nick:   n,
 		Modes:  new(NickMode),
 		chans:  make(map[*Channel]*ChanPrivs),
 		lookup: make(map[string]*Channel),
-		l:      l,
 	}
 }
 
@@ -72,7 +70,7 @@ func (nk *Nick) addChannel(ch *Channel, cp *ChanPrivs) {
 		nk.chans[ch] = cp
 		nk.lookup[ch.Name] = ch
 	} else {
-		nk.l.Warn("Nick.addChannel(): %s already on %s.", nk.Nick, ch.Name)
+		logging.Warn("Nick.addChannel(): %s already on %s.", nk.Nick, ch.Name)
 	}
 }
 
@@ -82,7 +80,7 @@ func (nk *Nick) delChannel(ch *Channel) {
 		delete(nk.chans, ch)
 		delete(nk.lookup, ch.Name)
 	} else {
-		nk.l.Warn("Nick.delChannel(): %s not on %s.", nk.Nick, ch.Name)
+		logging.Warn("Nick.delChannel(): %s not on %s.", nk.Nick, ch.Name)
 	}
 }
 
@@ -108,7 +106,7 @@ func (nk *Nick) ParseModes(modes string) {
 		case 'z':
 			nk.Modes.SSL = modeop
 		default:
-			nk.l.Info("Nick.ParseModes(): unknown mode char %c", m)
+			logging.Info("Nick.ParseModes(): unknown mode char %c", m)
 		}
 	}
 }
diff --git a/state/nick_test.go b/state/nick_test.go
index 283f908..c01ec1a 100644
--- a/state/nick_test.go
+++ b/state/nick_test.go
@@ -5,12 +5,9 @@ import (
 )
 
 func TestNewNick(t *testing.T) {
-	_, s := setUp(t)
-	defer s.tearDown()
+	nk := NewNick("test1")
 
-	nk := NewNick("test1", s.log)
-
-	if nk.Nick != "test1" || nk.l != s.log {
+	if nk.Nick != "test1" {
 		t.Errorf("Nick not created correctly by NewNick()")
 	}
 	if len(nk.chans) != 0 || len(nk.lookup) != 0 {
@@ -19,11 +16,8 @@ func TestNewNick(t *testing.T) {
 }
 
 func TestAddChannel(t *testing.T) {
-	_, s := setUp(t)
-	defer s.tearDown()
-
-	nk := NewNick("test1", s.log)
-	ch := NewChannel("#test1", s.log)
+	nk := NewNick("test1")
+	ch := NewChannel("#test1")
 	cp := new(ChanPrivs)
 
 	nk.addChannel(ch, cp)
@@ -37,24 +31,13 @@ func TestAddChannel(t *testing.T) {
 	if c, ok := nk.lookup["#test1"]; !ok || c != ch {
 		t.Errorf("Channel #test1 not properly stored in lookup map.")
 	}
-
-	s.log.EXPECT().Warn("Nick.addChannel(): %s already on %s.",
-		"test1", "#test1")
-	nk.addChannel(ch, cp)
 }
 
 func TestDelChannel(t *testing.T) {
-	_, s := setUp(t)
-	defer s.tearDown()
-
-	nk := NewNick("test1", s.log)
-	ch := NewChannel("#test1", s.log)
+	nk := NewNick("test1")
+	ch := NewChannel("#test1")
 	cp := new(ChanPrivs)
 
-	// Testing the error state first is easier
-	s.log.EXPECT().Warn("Nick.delChannel(): %s not on %s.", "test1", "#test1")
-	nk.delChannel(ch)
-
 	nk.addChannel(ch, cp)
 	nk.delChannel(ch)
 	if len(nk.chans) != 0 || len(nk.lookup) != 0 {
@@ -69,10 +52,7 @@ func TestDelChannel(t *testing.T) {
 }
 
 func TestNickParseModes(t *testing.T) {
-	_, s := setUp(t)
-	defer s.tearDown()
-
-	nk := NewNick("test1", s.log)
+	nk := NewNick("test1")
 	md := nk.Modes
 
 	// Modes should all be false for a new nick
@@ -90,17 +70,4 @@ func TestNickParseModes(t *testing.T) {
 	if !md.Invisible || md.Oper || !md.WallOps || md.HiddenHost || !md.SSL {
 		t.Errorf("Modes not flipped correctly by ParseModes.")
 	}
-
-	// Check that passing an unknown mode char results in an info log
-	// The cast to byte here is needed to pass; gomock uses reflect.DeepEqual
-	// to examine argument equality, but 'd' (when not implicitly coerced to a
-	// uint8 by the type system) is an int, whereas string("+d")[1] is not.
-	// This type difference (despite the values being nominally the same)
-	// causes the test to fail with the following confusing error.
-	//
-	// no matching expected call: *logging.MockLogger.Info([Nick.ParseModes(): unknown mode char %c [100]])
-	// missing call(s) to *logging.MockLogger.Info(is equal to Nick.ParseModes(): unknown mode char %c, is equal to [100])
-
-	s.log.EXPECT().Info("Nick.ParseModes(): unknown mode char %c", byte('d'))
-	nk.ParseModes("+d")
 }
diff --git a/state/tracker.go b/state/tracker.go
index d168b78..fb29cd2 100644
--- a/state/tracker.go
+++ b/state/tracker.go
@@ -35,17 +35,13 @@ type stateTracker struct {
 
 	// We need to keep state on who we are :-)
 	me *Nick
-
-	// For great logging justice.
-	l logging.Logger
 }
 
 // ... and a constructor to make it ...
-func NewTracker(mynick string, l logging.Logger) *stateTracker {
+func NewTracker(mynick string) *stateTracker {
 	st := &stateTracker{
 		chans: make(map[string]*Channel),
 		nicks: make(map[string]*Nick),
-		l:     l,
 	}
 	st.me = st.NewNick(mynick)
 	return st
@@ -67,10 +63,10 @@ func (st *stateTracker) Wipe() {
 // can be properly tracked for state management purposes.
 func (st *stateTracker) NewNick(n string) *Nick {
 	if _, ok := st.nicks[n]; ok {
-		st.l.Warn("StateTracker.NewNick(): %s already tracked.", n)
+		logging.Warn("StateTracker.NewNick(): %s already tracked.", n)
 		return nil
 	}
-	st.nicks[n] = NewNick(n, st.l)
+	st.nicks[n] = NewNick(n)
 	return st.nicks[n]
 }
 
@@ -97,10 +93,10 @@ func (st *stateTracker) ReNick(old, neu string) {
 				ch.lookup[neu] = nk
 			}
 		} else {
-			st.l.Warn("StateTracker.ReNick(): %s already exists.", neu)
+			logging.Warn("StateTracker.ReNick(): %s already exists.", neu)
 		}
 	} else {
-		st.l.Warn("StateTracker.ReNick(): %s not tracked.", old)
+		logging.Warn("StateTracker.ReNick(): %s not tracked.", old)
 	}
 }
 
@@ -110,17 +106,17 @@ func (st *stateTracker) DelNick(n string) {
 		if nk != st.me {
 			st.delNick(nk)
 		} else {
-			st.l.Warn("StateTracker.DelNick(): won't delete myself.")
+			logging.Warn("StateTracker.DelNick(): won't delete myself.")
 		}
 	} else {
-		st.l.Warn("StateTracker.DelNick(): %s not tracked.", n)
+		logging.Warn("StateTracker.DelNick(): %s not tracked.", n)
 	}
 }
 
 func (st *stateTracker) delNick(nk *Nick) {
 	if nk == st.me {
 		// Shouldn't get here => internal state tracking code is fubar.
-		st.l.Error("StateTracker.DelNick(): TRYING TO DELETE ME :-(")
+		logging.Error("StateTracker.DelNick(): TRYING TO DELETE ME :-(")
 		return
 	}
 	delete(st.nicks, nk.Nick)
@@ -130,7 +126,7 @@ func (st *stateTracker) delNick(nk *Nick) {
 		if len(ch.nicks) == 0 {
 			// Deleting a nick from tracking shouldn't empty any channels as
 			// *we* should be on the channel with them to be tracking them.
-			st.l.Error("StateTracker.delNick(): deleting nick %s emptied "+
+			logging.Error("StateTracker.delNick(): deleting nick %s emptied "+
 				"channel %s, this shouldn't happen!", nk.Nick, ch.Name)
 		}
 	}
@@ -140,10 +136,10 @@ func (st *stateTracker) delNick(nk *Nick) {
 // can be properly tracked for state management purposes.
 func (st *stateTracker) NewChannel(c string) *Channel {
 	if _, ok := st.chans[c]; ok {
-		st.l.Warn("StateTracker.NewChannel(): %s already tracked.", c)
+		logging.Warn("StateTracker.NewChannel(): %s already tracked.", c)
 		return nil
 	}
-	st.chans[c] = NewChannel(c, st.l)
+	st.chans[c] = NewChannel(c)
 	return st.chans[c]
 }
 
@@ -160,7 +156,7 @@ func (st *stateTracker) DelChannel(c string) {
 	if ch, ok := st.chans[c]; ok {
 		st.delChannel(ch)
 	} else {
-		st.l.Warn("StateTracker.DelChannel(): %s not tracked.", c)
+		logging.Warn("StateTracker.DelChannel(): %s not tracked.", c)
 	}
 }
 
@@ -195,19 +191,21 @@ func (st *stateTracker) IsOn(c, n string) (*ChanPrivs, bool) {
 // Associates an already known nick with an already known channel.
 func (st *stateTracker) Associate(ch *Channel, nk *Nick) *ChanPrivs {
 	if ch == nil || nk == nil {
-		st.l.Error("StateTracker.Associate(): passed nil values :-(")
+		logging.Error("StateTracker.Associate(): passed nil values :-(")
 		return nil
 	} else if _ch, ok := st.chans[ch.Name]; !ok || ch != _ch {
 		// As we can implicitly delete both nicks and channels from being
 		// tracked by dissociating one from the other, we should verify that
 		// we're not being passed an old Nick or Channel.
-		st.l.Error("StateTracker.Associate(): channel %s not found in "+
+		logging.Error("StateTracker.Associate(): channel %s not found in "+
 			"(or differs from) internal state.", ch.Name)
+		return nil
 	} else if _nk, ok := st.nicks[nk.Nick]; !ok || nk != _nk {
-		st.l.Error("StateTracker.Associate(): nick %s not found in "+
+		logging.Error("StateTracker.Associate(): nick %s not found in "+
 			"(or differs from) internal state.", nk.Nick)
+		return nil
 	} else if _, ok := nk.IsOn(ch); ok {
-		st.l.Warn("StateTracker.Associate(): %s already on %s.",
+		logging.Warn("StateTracker.Associate(): %s already on %s.",
 			nk.Nick, ch.Name)
 		return nil
 	}
@@ -222,18 +220,18 @@ func (st *stateTracker) Associate(ch *Channel, nk *Nick) *ChanPrivs {
 // any common channels with, and channels we're no longer on.
 func (st *stateTracker) Dissociate(ch *Channel, nk *Nick) {
 	if ch == nil || nk == nil {
-		st.l.Error("StateTracker.Dissociate(): passed nil values :-(")
+		logging.Error("StateTracker.Dissociate(): passed nil values :-(")
 	} else if _ch, ok := st.chans[ch.Name]; !ok || ch != _ch {
 		// As we can implicitly delete both nicks and channels from being
 		// tracked by dissociating one from the other, we should verify that
 		// we're not being passed an old Nick or Channel.
-		st.l.Error("StateTracker.Dissociate(): channel %s not found in "+
+		logging.Error("StateTracker.Dissociate(): channel %s not found in "+
 			"(or differs from) internal state.", ch.Name)
 	} else if _nk, ok := st.nicks[nk.Nick]; !ok || nk != _nk {
-		st.l.Error("StateTracker.Dissociate(): nick %s not found in "+
+		logging.Error("StateTracker.Dissociate(): nick %s not found in "+
 			"(or differs from) internal state.", nk.Nick)
 	} else if _, ok := nk.IsOn(ch); !ok {
-		st.l.Warn("StateTracker.Dissociate(): %s not on %s.",
+		logging.Warn("StateTracker.Dissociate(): %s not on %s.",
 			nk.Nick, ch.Name)
 	} else if nk == st.me {
 		// I'm leaving the channel for some reason, so it won't be tracked.
diff --git a/state/tracker_test.go b/state/tracker_test.go
index e68273d..e6f3584 100644
--- a/state/tracker_test.go
+++ b/state/tracker_test.go
@@ -1,33 +1,19 @@
 package state
 
 import (
-	"code.google.com/p/gomock/gomock"
 	"github.com/fluffle/golog/logging"
 	"testing"
 )
 
-type testState struct {
-	ctrl *gomock.Controller
-	log  *logging.MockLogger
-}
-
-func setUp(t *testing.T) (*stateTracker, *testState) {
-	ctrl := gomock.NewController(t)
-	log := logging.NewMockLogger(ctrl)
-	return NewTracker("mynick", log), &testState{ctrl, log}
-}
-
-func (s *testState) tearDown() {
-	s.ctrl.Finish()
+func init() {
+	// This is probably a dirty hack...
+	logging.InitFromFlags()
+	logging.SetLogLevel(logging.LogFatal)
 }
 
 func TestSTNewTracker(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
+	st := NewTracker("mynick")
 
-	if st.l != s.log {
-		t.Errorf("State tracker's logger not set correctly.")
-	}
 	if len(st.nicks) != 1 {
 		t.Errorf("Nick list of new tracker is not 1 (me!).")
 	}
@@ -40,28 +26,23 @@ func TestSTNewTracker(t *testing.T) {
 }
 
 func TestSTNewNick(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
-
+	st := NewTracker("mynick")
 	test1 := st.NewNick("test1")
 
-	if test1 == nil || test1.Nick != "test1" || test1.l != s.log {
+	if test1 == nil || test1.Nick != "test1" {
 		t.Errorf("Nick object created incorrectly by NewNick.")
 	}
 	if n, ok := st.nicks["test1"]; !ok || n != test1 || len(st.nicks) != 2 {
 		t.Errorf("Nick object stored incorrectly by NewNick.")
 	}
 
-	s.log.EXPECT().Warn("StateTracker.NewNick(): %s already tracked.", "test1")
 	if fail := st.NewNick("test1"); fail != nil {
 		t.Errorf("Creating duplicate nick did not produce nil return.")
 	}
 }
 
 func TestSTGetNick(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
-
+	st := NewTracker("mynick")
 	test1 := st.NewNick("test1")
 
 	if n := st.GetNick("test1"); n != test1 {
@@ -76,9 +57,7 @@ func TestSTGetNick(t *testing.T) {
 }
 
 func TestSTReNick(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
-
+	st := NewTracker("mynick")
 	test1 := st.NewNick("test1")
 
 	// This channel is here to ensure that its lookup map gets updated
@@ -107,8 +86,6 @@ func TestSTReNick(t *testing.T) {
 	}
 
 	test2 := st.NewNick("test1")
-
-	s.log.EXPECT().Warn("StateTracker.ReNick(): %s already exists.", "test2")
 	st.ReNick("test1", "test2")
 
 	if n, ok := st.nicks["test2"]; !ok || n != test1 {
@@ -120,14 +97,10 @@ func TestSTReNick(t *testing.T) {
 	if len(st.nicks) != 3 {
 		t.Errorf("Nick list changed size during ReNick.")
 	}
-
-	s.log.EXPECT().Warn("StateTracker.ReNick(): %s not tracked.", "test3")
-	st.ReNick("test3", "test2")
 }
 
 func TestSTDelNick(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
+	st := NewTracker("mynick")
 
 	st.NewNick("test1")
 	st.DelNick("test1")
@@ -142,17 +115,13 @@ func TestSTDelNick(t *testing.T) {
 	// Deleting unknown nick shouldn't work, but let's make sure we have a
 	// known nick first to catch any possible accidental removals.
 	nick1 := st.NewNick("test1")
-
-	s.log.EXPECT().Warn("StateTracker.DelNick(): %s not tracked.", "test2")
 	st.DelNick("test2")
 	if len(st.nicks) != 2 {
 		t.Errorf("Deleting unknown nick had unexpected side-effects.")
 	}
 
 	// Deleting my nick shouldn't work
-	s.log.EXPECT().Warn("StateTracker.DelNick(): won't delete myself.")
 	st.DelNick("mynick")
-
 	if len(st.nicks) != 2 {
 		t.Errorf("Deleting myself had unexpected side-effects.")
 	}
@@ -192,8 +161,7 @@ func TestSTDelNick(t *testing.T) {
 }
 
 func TestSTNewChannel(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
+	st := NewTracker("mynick")
 
 	if len(st.chans) != 0 {
 		t.Errorf("Channel list of new tracker is non-zero length.")
@@ -201,22 +169,20 @@ func TestSTNewChannel(t *testing.T) {
 
 	test1 := st.NewChannel("#test1")
 
-	if test1 == nil || test1.Name != "#test1" || test1.l != s.log {
+	if test1 == nil || test1.Name != "#test1" {
 		t.Errorf("Channel object created incorrectly by NewChannel.")
 	}
 	if c, ok := st.chans["#test1"]; !ok || c != test1 || len(st.chans) != 1 {
 		t.Errorf("Channel object stored incorrectly by NewChannel.")
 	}
 
-	s.log.EXPECT().Warn("StateTracker.NewChannel(): %s already tracked.", "#test1")
 	if fail := st.NewChannel("#test1"); fail != nil {
 		t.Errorf("Creating duplicate chan did not produce nil return.")
 	}
 }
 
 func TestSTGetChannel(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
+	st := NewTracker("mynick")
 
 	test1 := st.NewChannel("#test1")
 
@@ -232,8 +198,7 @@ func TestSTGetChannel(t *testing.T) {
 }
 
 func TestSTDelChannel(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
+	st := NewTracker("mynick")
 
 	st.NewChannel("#test1")
 	st.DelChannel("#test1")
@@ -248,10 +213,7 @@ func TestSTDelChannel(t *testing.T) {
 	// Deleting unknown nick shouldn't work, but let's make sure we have a
 	// known nick first to catch any possible accidental removals.
 	chan1 := st.NewChannel("#test1")
-
-	s.log.EXPECT().Warn("StateTracker.DelChannel(): %s not tracked.", "#test2")
 	st.DelChannel("#test2")
-
 	if len(st.chans) != 1 {
 		t.Errorf("DelChannel had unexpected side-effects.")
 	}
@@ -306,8 +268,7 @@ func TestSTDelChannel(t *testing.T) {
 }
 
 func TestSTIsOn(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
+	st := NewTracker("mynick")
 
 	nick1 := st.NewNick("test1")
 	chan1 := st.NewChannel("#test1")
@@ -322,8 +283,7 @@ func TestSTIsOn(t *testing.T) {
 }
 
 func TestSTAssociate(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
+	st := NewTracker("mynick")
 
 	nick1 := st.NewNick("test1")
 	chan1 := st.NewChannel("#test1")
@@ -337,32 +297,25 @@ func TestSTAssociate(t *testing.T) {
 	}
 
 	// Test error cases
-	s.log.EXPECT().Error("StateTracker.Associate(): passed nil values :-(")
-	st.Associate(nil, nick1)
-
-	s.log.EXPECT().Error("StateTracker.Associate(): passed nil values :-(")
-	st.Associate(chan1, nil)
-
-	s.log.EXPECT().Warn("StateTracker.Associate(): %s already on %s.",
-		"test1", "#test1")
-	st.Associate(chan1, nick1)
-
-	// nick2 deliberately created directly here.
-	nick2 := NewNick("test2", s.log)
-	s.log.EXPECT().Error("StateTracker.Associate(): nick %s not found in "+
-		"(or differs from) internal state.", "test2")
-	st.Associate(chan1, nick2)
-
-	// chan2 deliberately created directly here.
-	chan2 := NewChannel("#test2", s.log)
-	s.log.EXPECT().Error("StateTracker.Associate(): channel %s not found in "+
-		"(or differs from) internal state.", "#test2")
-	st.Associate(chan2, nick1)
+	if st.Associate(nil, nick1) != nil {
+		t.Errorf("Associating nil *Channel did not return nil.")
+	}
+	if st.Associate(chan1, nil) != nil {
+		t.Errorf("Associating nil *Nick did not return nil.")
+	}
+	if st.Associate(chan1, nick1) != nil {
+		t.Errorf("Associating already-associated things did not return nil.")
+	}
+	if st.Associate(chan1, NewNick("test2")) != nil {
+		t.Errorf("Associating unknown *Nick did not return nil.")
+	}
+	if st.Associate(NewChannel("#test2"), nick1) != nil {
+		t.Errorf("Associating unknown *Channel did not return nil.")
+	}
 }
 
 func TestSTDissociate(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
+	st := NewTracker("mynick")
 
 	nick1 := st.NewNick("test1")
 	chan1 := st.NewChannel("#test1")
@@ -417,36 +370,10 @@ func TestSTDissociate(t *testing.T) {
 		len(st.me.chans) != 2 || len(nick1.chans) != 0 || len(st.chans) != 2 {
 		t.Errorf("Dissociating a nick from it's last channel went wrong.")
 	}
-
-	// Check error cases
-	// test1 was deleted above, so "re-track" it for this test.
-	nick1 = st.NewNick("test1")
-	s.log.EXPECT().Warn("StateTracker.Dissociate(): %s not on %s.",
-		"test1", "#test1")
-	st.Dissociate(chan1, nick1)
-
-	s.log.EXPECT().Error("StateTracker.Dissociate(): passed nil values :-(")
-	st.Dissociate(chan1, nil)
-
-	s.log.EXPECT().Error("StateTracker.Dissociate(): passed nil values :-(")
-	st.Dissociate(nil, nick1)
-
-	// nick3 deliberately created directly here.
-	nick3 := NewNick("test3", s.log)
-	s.log.EXPECT().Error("StateTracker.Dissociate(): nick %s not found in "+
-		"(or differs from) internal state.", "test3")
-	st.Dissociate(chan1, nick3)
-
-	// chan3 deliberately created directly here.
-	chan3 := NewChannel("#test3", s.log)
-	s.log.EXPECT().Error("StateTracker.Dissociate(): channel %s not found in "+
-		"(or differs from) internal state.", "#test3")
-	st.Dissociate(chan3, nick1)
 }
 
 func TestSTWipe(t *testing.T) {
-	st, s := setUp(t)
-	defer s.tearDown()
+	st := NewTracker("mynick")
 
 	nick1 := st.NewNick("test1")
 	nick2 := st.NewNick("test2")