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metrics_test.go
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metrics_test.go
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package gremcos
import (
"testing"
"github.com/golang/mock/gomock"
"github.com/stretchr/testify/assert"
mock_metrics "github.com/supplyon/gremcos/test/mocks/metrics"
)
type MetricsMocks struct {
statusCodeTotal *mock_metrics.MockCounterVec
retryAfterMS *mock_metrics.MockHistogram
requestChargeTotal *mock_metrics.MockCounter
requestChargePerQuery *mock_metrics.MockGauge
requestChargePerQueryResponseAvg *mock_metrics.MockGauge
serverTimePerQueryMS *mock_metrics.MockGauge
serverTimePerQueryResponseAvgMS *mock_metrics.MockGauge
connectivityErrorsTotal *mock_metrics.MockCounter
connectionUsageTotal *mock_metrics.MockCounterVec
requestErrorsTotal *mock_metrics.MockCounter
requestRetiesTotal *mock_metrics.MockCounter
requestRetryTimeoutsTotal *mock_metrics.MockCounter
}
// NewMockedMetrics creates and returns mocked metrics that can be used
// for unit-testing.
// Example:
// mockCtrl := gomock.NewController(t)
// defer mockCtrl.Finish()
// metrics, mocks := NewMockedMetrics(mockCtrl)
// mocks.scaleCounter.EXPECT().Set(10)
// use metrics...
func NewMockedMetrics(mockCtrl *gomock.Controller) (*Metrics, *MetricsMocks) {
mStatusCodeTotal := mock_metrics.NewMockCounterVec(mockCtrl)
mRetryAfterMS := mock_metrics.NewMockHistogram(mockCtrl)
mRequestChargeTotal := mock_metrics.NewMockCounter(mockCtrl)
mRequestChargePerQuery := mock_metrics.NewMockGauge(mockCtrl)
mRequestChargePerQueryResponseAvg := mock_metrics.NewMockGauge(mockCtrl)
mServerTimePerQueryMS := mock_metrics.NewMockGauge(mockCtrl)
mServerTimePerQueryResponseAvgMS := mock_metrics.NewMockGauge(mockCtrl)
mConnectivityErrorsTotal := mock_metrics.NewMockCounter(mockCtrl)
mConnectionUsageTotal := mock_metrics.NewMockCounterVec(mockCtrl)
mRequestErrorsTotal := mock_metrics.NewMockCounter(mockCtrl)
mRequestRetiesTotal := mock_metrics.NewMockCounter(mockCtrl)
mRequestRetryTimeoutsTotal := mock_metrics.NewMockCounter(mockCtrl)
metrics := &Metrics{
statusCodeTotal: mStatusCodeTotal,
retryAfterMS: mRetryAfterMS,
requestChargeTotal: mRequestChargeTotal,
requestChargePerQuery: mRequestChargePerQuery,
requestChargePerQueryResponseAvg: mRequestChargePerQueryResponseAvg,
serverTimePerQueryMS: mServerTimePerQueryMS,
serverTimePerQueryResponseAvgMS: mServerTimePerQueryResponseAvgMS,
connectivityErrorsTotal: mConnectivityErrorsTotal,
connectionUsageTotal: mConnectionUsageTotal,
requestErrorsTotal: mRequestErrorsTotal,
requestRetiesTotal: mRequestRetiesTotal,
requestRetryTimeoutsTotal: mRequestRetryTimeoutsTotal,
}
mocks := &MetricsMocks{
statusCodeTotal: mStatusCodeTotal,
retryAfterMS: mRetryAfterMS,
requestChargeTotal: mRequestChargeTotal,
requestChargePerQuery: mRequestChargePerQuery,
requestChargePerQueryResponseAvg: mRequestChargePerQueryResponseAvg,
serverTimePerQueryMS: mServerTimePerQueryMS,
serverTimePerQueryResponseAvgMS: mServerTimePerQueryResponseAvgMS,
connectivityErrorsTotal: mConnectivityErrorsTotal,
connectionUsageTotal: mConnectionUsageTotal,
requestErrorsTotal: mRequestErrorsTotal,
requestRetiesTotal: mRequestRetiesTotal,
requestRetryTimeoutsTotal: mRequestRetryTimeoutsTotal,
}
return metrics, mocks
}
func Test_NewMetrics(t *testing.T) {
metrics := NewMetrics("gremcos")
assert.NotNil(t, metrics.statusCodeTotal)
assert.NotNil(t, metrics.retryAfterMS)
assert.NotNil(t, metrics.requestChargeTotal)
assert.NotNil(t, metrics.requestChargePerQuery)
assert.NotNil(t, metrics.requestChargePerQueryResponseAvg)
assert.NotNil(t, metrics.serverTimePerQueryMS)
assert.NotNil(t, metrics.serverTimePerQueryResponseAvgMS)
assert.NotNil(t, metrics.connectivityErrorsTotal)
assert.NotNil(t, metrics.connectionUsageTotal)
assert.NotNil(t, metrics.requestErrorsTotal)
assert.NotNil(t, metrics.requestRetiesTotal)
assert.NotNil(t, metrics.requestRetryTimeoutsTotal)
}