Fix up usage and tests, split into multiple files.

Doing this in multiple commits in an attempt to preserve the file movement history.

pkg/scheduler/firstfit_test.go

@@ -0,0 +1,78 @@
+/*
+Copyright 2014 Google Inc. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package scheduler
+
+import (
+	"math/rand"
+	"testing"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+)
+
+func TestFirstFitSchedulerNothingScheduled(t *testing.T) {
+	fakeRegistry := FakePodLister{}
+	r := rand.New(rand.NewSource(0))
+	st := schedulerTester{
+		t:            t,
+		scheduler:    MakeFirstFitScheduler(&fakeRegistry, r),
+		minionLister: FakeMinionLister{"m1", "m2", "m3"},
+	}
+	st.expectSchedule(api.Pod{}, "m3")
+}
+
+func TestFirstFitSchedulerFirstScheduled(t *testing.T) {
+	fakeRegistry := FakePodLister{
+		makePod("m1", 8080),
+	}
+	r := rand.New(rand.NewSource(0))
+	st := schedulerTester{
+		t:            t,
+		scheduler:    MakeFirstFitScheduler(fakeRegistry, r),
+		minionLister: FakeMinionLister{"m1", "m2", "m3"},
+	}
+	st.expectSchedule(makePod("", 8080), "m3")
+}
+
+func TestFirstFitSchedulerFirstScheduledComplicated(t *testing.T) {
+	fakeRegistry := FakePodLister{
+		makePod("m1", 80, 8080),
+		makePod("m2", 8081, 8082, 8083),
+		makePod("m3", 80, 443, 8085),
+	}
+	r := rand.New(rand.NewSource(0))
+	st := schedulerTester{
+		t:            t,
+		scheduler:    MakeFirstFitScheduler(fakeRegistry, r),
+		minionLister: FakeMinionLister{"m1", "m2", "m3"},
+	}
+	st.expectSchedule(makePod("", 8080, 8081), "m3")
+}
+
+func TestFirstFitSchedulerFirstScheduledImpossible(t *testing.T) {
+	fakeRegistry := FakePodLister{
+		makePod("m1", 8080),
+		makePod("m2", 8081),
+		makePod("m3", 8080),
+	}
+	r := rand.New(rand.NewSource(0))
+	st := schedulerTester{
+		t:            t,
+		scheduler:    MakeFirstFitScheduler(fakeRegistry, r),
+		minionLister: FakeMinionLister{"m1", "m2", "m3"},
+	}
+	st.expectFailure(makePod("", 8080, 8081))
+}