MetricsStatfs GetMetrics() function test

add test function to test GetMetrics() function in pkg/volume/metrics_statfs_test.go
This commit is contained in:
NickrenREN 2016-11-29 14:18:15 +08:00
parent e6c57c6569
commit 43be2d87e9
2 changed files with 67 additions and 0 deletions

View File

@ -50,6 +50,7 @@ go_test(
name = "go_default_test",
srcs = [
"metrics_nil_test.go",
"metrics_statfs_test.go",
"plugins_test.go",
"util_test.go",
],
@ -60,6 +61,7 @@ go_test(
"//pkg/api/errors:go_default_library",
"//pkg/api/resource:go_default_library",
"//pkg/api/v1:go_default_library",
"//pkg/util/testing:go_default_library",
"//pkg/watch:go_default_library",
],
)

View File

@ -0,0 +1,65 @@
/*
Copyright 2016 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 volume
import (
"os"
"testing"
utiltesting "k8s.io/kubernetes/pkg/util/testing"
)
func TestGetMetricsStatFS(t *testing.T) {
metrics := NewMetricsStatFS("")
actual, err := metrics.GetMetrics()
expected := &Metrics{}
if *actual != *expected {
t.Errorf("Expected empty Metrics from uninitialized MetricsStatFS, actual %v", *actual)
}
if err == nil {
t.Errorf("Expected error when calling GetMetrics on uninitialized MetricsStatFS, actual nil")
}
metrics = NewMetricsStatFS("/not/a/real/directory")
actual, err = metrics.GetMetrics()
if *actual != *expected {
t.Errorf("Expected empty Metrics from incorrectly initialized MetricsStatFS, actual %v", *actual)
}
if err == nil {
t.Errorf("Expected error when calling GetMetrics on incorrectly initialized MetricsStatFS, actual nil")
}
tmpDir, err := utiltesting.MkTmpdir("metric_statfs_test")
if err != nil {
t.Fatalf("Can't make a tmp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
metrics = NewMetricsStatFS(tmpDir)
actual, err = metrics.GetMetrics()
if err != nil {
t.Errorf("Unexpected error when calling GetMetrics %v", err)
}
if a := actual.Capacity.Value(); a <= 0 {
t.Errorf("Expected Capacity %d to be greater than 0.", a)
}
if a := actual.Available.Value(); a <= 0 {
t.Errorf("Expected Available %d to be greater than 0.", a)
}
}