From 4e503597b88ddd49cd522b7e87cb098640020a6d Mon Sep 17 00:00:00 2001
From: Sreemanti Ghosh <sreemanti.ghosh@intel.com>
Date: Thu, 28 Feb 2019 17:10:43 +0000
Subject: [PATCH] Unit test for Topology Manager policy_strict and
 policy_preferred

---
 .../topologymanager/policy_preferred_test.go  | 52 ++++++++++++++++
 .../cm/topologymanager/policy_strict_test.go  | 61 +++++++++++++++++++
 2 files changed, 113 insertions(+)
 create mode 100644 pkg/kubelet/cm/topologymanager/policy_preferred_test.go
 create mode 100644 pkg/kubelet/cm/topologymanager/policy_strict_test.go

diff --git a/pkg/kubelet/cm/topologymanager/policy_preferred_test.go b/pkg/kubelet/cm/topologymanager/policy_preferred_test.go
new file mode 100644
index 00000000000..0cb0f220e03
--- /dev/null
+++ b/pkg/kubelet/cm/topologymanager/policy_preferred_test.go
@@ -0,0 +1,52 @@
+/*
+Copyright 2019 The Kubernetes Authors.
+
+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 topologymanager
+
+import (
+	"testing"
+)
+
+func TestCanAdmitPodResult1(t *testing.T) {
+	tcases := []struct {
+		name     string
+		affinity bool
+		expected bool
+	}{
+		{
+			name:     "Affinity is set to false in topology hints",
+			affinity: false,
+			expected: true,
+		},
+		{
+			name:     "Affinity is set to true in topology hints",
+			affinity: true,
+			expected: true,
+		},
+	}
+
+	for _, tc := range tcases {
+		policy := NewPreferredPolicy()
+		hints := TopologyHints{
+			Affinity: tc.affinity,
+		}
+		result := policy.CanAdmitPodResult(hints)
+
+		if result.Admit != tc.expected {
+			t.Errorf("Expected Admit field in result to be %t, got %t", tc.expected, result.Admit)
+		}
+	}
+}
diff --git a/pkg/kubelet/cm/topologymanager/policy_strict_test.go b/pkg/kubelet/cm/topologymanager/policy_strict_test.go
new file mode 100644
index 00000000000..227f342dc4d
--- /dev/null
+++ b/pkg/kubelet/cm/topologymanager/policy_strict_test.go
@@ -0,0 +1,61 @@
+/*
+Copyright 2019 The Kubernetes Authors.
+
+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 topologymanager
+
+import (
+	"testing"
+)
+
+func TestCanAdmitPodResult(t *testing.T) {
+	tcases := []struct {
+		name     string
+		affinity bool
+		expected bool
+	}{
+		{
+			name:     "Affinity is set to false in topology hints",
+			affinity: false,
+			expected: false,
+		},
+		{
+			name:     "Affinity is set to true in topology hints",
+			affinity: true,
+			expected: true,
+		},
+	}
+
+	for _, tc := range tcases {
+		policy := NewStrictPolicy()
+		hints := TopologyHints{
+			Affinity: tc.affinity,
+		}
+		result := policy.CanAdmitPodResult(hints)
+
+		if result.Admit != tc.expected {
+			t.Errorf("Expected Admit field in result to be %t, got %t", tc.expected, result.Admit)
+		}
+
+		if tc.expected == false {
+			if len(result.Reason) == 0 {
+				t.Errorf("Expected Reason field to be not empty")
+			}
+			if len(result.Message) == 0 {
+				t.Errorf("Expected Message field to be not empty")
+			}
+		}
+	}
+}