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chore(tests): Refactored and addressed missing coverage in models.go

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This commit is contained in:
Matt Mix 2025-08-02 21:10:42 -04:00
parent 1e50241a4c
commit 0ed3796dec
1 changed files with 66 additions and 12 deletions
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78
pkg/metrics/models_test.go
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@ -113,21 +113,75 @@ func TestGaugeV_SetWithLabels(t *testing.T) {
assert.Len(t, m.Label, 2)
}
func TestNewBuildInfoCollector(t *testing.T) {
metric := NewGaugeFuncMetric(prometheus.GaugeOpts{
Namespace: Namespace,
Name: "build_info",
ConstLabels: prometheus.Labels{
"version": "0.0.1",
"goversion": "1.24",
"arch": "arm64",
func TestNewGaugeFuncMetric(t *testing.T) {
tests := []struct {
name string
metricName string
subSystem string
constLabels prometheus.Labels
expectedFqName string
expectedDescString string
expectedGaugeFuncReturn float64
}{
{
name: "NewGaugeFuncMetric returns build_info",
metricName: "build_info",
subSystem: "",
constLabels: prometheus.Labels{
"version": "0.0.1",
"goversion": "1.24",
"arch": "arm64",
},
expectedFqName: "external_dns_build_info",
expectedDescString: "version=\"0.0.1\"",
expectedGaugeFuncReturn: 1,
},
})
{
name: "NewGaugeFuncMetric subsystem alters name",
metricName: "metricName",
subSystem: "subSystem",
constLabels: prometheus.Labels{},
expectedFqName: "external_dns_subSystem_metricName",
expectedDescString: "",
expectedGaugeFuncReturn: 1,
},
{
name: "NewGaugeFuncMetric GaugeFunc returns 1",
metricName: "metricName",
subSystem: "",
constLabels: prometheus.Labels{},
expectedFqName: "external_dns_metricName",
expectedDescString: "",
expectedGaugeFuncReturn: 1,
},
}
desc := metric.GaugeFunc.Desc()
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
metric := NewGaugeFuncMetric(prometheus.GaugeOpts{
Namespace: Namespace,
Name: tt.metricName,
Subsystem: tt.subSystem,
ConstLabels: tt.constLabels,
})
assert.Equal(t, "external_dns_build_info", reflect.ValueOf(desc).Elem().FieldByName("fqName").String())
assert.Contains(t, desc.String(), "version=\"0.0.1\"")
desc := metric.GaugeFunc.Desc()
assert.Equal(t, tt.expectedFqName, reflect.ValueOf(desc).Elem().FieldByName("fqName").String())
assert.Contains(t, desc.String(), tt.expectedDescString)
testRegistry := prometheus.NewRegistry()
err := testRegistry.Register(metric.GaugeFunc)
require.NoError(t, err)
metricFamily, err := testRegistry.Gather()
require.NoError(t, err)
require.Len(t, metricFamily, 1)
require.NotNil(t, metricFamily[0].Metric[0].Gauge)
assert.InDelta(t, tt.expectedGaugeFuncReturn, metricFamily[0].Metric[0].GetGauge().GetValue(), 0.0001)
})
}
}
func TestSummaryV_SetWithLabels(t *testing.T) {