65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package volume
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import (
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"os"
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"testing"
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utiltesting "k8s.io/client-go/util/testing"
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)
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func TestGetMetricsStatFS(t *testing.T) {
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metrics := NewMetricsStatFS("")
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actual, err := metrics.GetMetrics()
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expected := &Metrics{}
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if *actual != *expected {
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t.Errorf("Expected empty Metrics from uninitialized MetricsStatFS, actual %v", *actual)
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}
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if err == nil {
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t.Errorf("Expected error when calling GetMetrics on uninitialized MetricsStatFS, actual nil")
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}
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metrics = NewMetricsStatFS("/not/a/real/directory")
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actual, err = metrics.GetMetrics()
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if *actual != *expected {
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t.Errorf("Expected empty Metrics from incorrectly initialized MetricsStatFS, actual %v", *actual)
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}
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if err == nil {
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t.Errorf("Expected error when calling GetMetrics on incorrectly initialized MetricsStatFS, actual nil")
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}
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tmpDir, err := utiltesting.MkTmpdir("metric_statfs_test")
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if err != nil {
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t.Fatalf("Can't make a tmp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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metrics = NewMetricsStatFS(tmpDir)
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actual, err = metrics.GetMetrics()
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if err != nil {
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t.Errorf("Unexpected error when calling GetMetrics %v", err)
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}
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if a := actual.Capacity.Value(); a <= 0 {
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t.Errorf("Expected Capacity %d to be greater than 0.", a)
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}
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if a := actual.Available.Value(); a <= 0 {
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t.Errorf("Expected Available %d to be greater than 0.", a)
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}
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}
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