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package stats_test
import (
"runtime"
"strings"
"testing"
"github.com/prometheus/client_golang/prometheus/testutil"
"github.com/seaweedfs/seaweedfs/weed/stats"
_ "github.com/seaweedfs/seaweedfs/weed/util/version" // Import to trigger version init
)
func TestBuildInfo(t *testing.T) {
// Verify that BuildInfo metric is registered and has the expected value
count := testutil.CollectAndCount(stats.BuildInfo)
if count != 1 {
t.Errorf("Expected 1 BuildInfo metric, got %d", count)
}
// Verify the metric can be gathered
metrics, err := stats.Gather.Gather()
if err != nil {
t.Fatalf("Failed to gather metrics: %v", err)
}
// Find the build_info metric
found := false
for _, mf := range metrics {
if mf.GetName() == "SeaweedFS_build_info" {
found = true
metric := mf.GetMetric()[0]
// Verify the metric value is 1
if metric.GetGauge().GetValue() != 1 {
t.Errorf("Expected BuildInfo value to be 1, got %f", metric.GetGauge().GetValue())
}
// Verify labels exist
labels := metric.GetLabel()
labelMap := make(map[string]string)
for _, label := range labels {
labelMap[label.GetName()] = label.GetValue()
}
// Check required labels
if _, ok := labelMap["version"]; !ok {
t.Error("Missing 'version' label")
}
if _, ok := labelMap["commit"]; !ok {
t.Error("Missing 'commit' label")
}
if _, ok := labelMap["sizelimit"]; !ok {
t.Error("Missing 'sizelimit' label")
}
if labelMap["goos"] != runtime.GOOS {
t.Errorf("Expected goos='%s', got '%s'", runtime.GOOS, labelMap["goos"])
}
if labelMap["goarch"] != runtime.GOARCH {
t.Errorf("Expected goarch='%s', got '%s'", runtime.GOARCH, labelMap["goarch"])
}
// Verify version format
if !strings.Contains(labelMap["version"], ".") {
t.Errorf("Version should contain a dot: %s", labelMap["version"])
}
// Verify sizelimit is either 30GB or 8000GB
if labelMap["sizelimit"] != "30GB" && labelMap["sizelimit"] != "8000GB" {
t.Errorf("Expected sizelimit to be '30GB' or '8000GB', got '%s'", labelMap["sizelimit"])
}
t.Logf("BuildInfo metric: version=%s, commit=%s, sizelimit=%s, goos=%s, goarch=%s",
labelMap["version"], labelMap["commit"], labelMap["sizelimit"],
labelMap["goos"], labelMap["goarch"])
}
}
if !found {
t.Error("BuildInfo metric not found in gathered metrics")
}
}
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