consul/agent/hcp/deps_test.go

103 lines
2.6 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package hcp
import (
"context"
"fmt"
"net/url"
"regexp"
"testing"
"time"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
"github.com/hashicorp/consul/agent/hcp/client"
"github.com/hashicorp/consul/agent/hcp/telemetry"
)
type mockMetricsClient struct {
telemetry.MetricsClient
}
func TestSink(t *testing.T) {
t.Parallel()
for name, test := range map[string]struct {
expect func(*client.MockClient)
wantErr string
expectedSink bool
}{
"success": {
expect: func(mockClient *client.MockClient) {
u, _ := url.Parse("https://test.com/v1/metrics")
filters, _ := regexp.Compile("test")
mt := mockTelemetryConfig(1*time.Second, u, filters)
mockClient.EXPECT().FetchTelemetryConfig(mock.Anything).Return(mt, nil)
},
expectedSink: true,
},
"noSinkWhenFetchTelemetryConfigFails": {
expect: func(mockClient *client.MockClient) {
mockClient.EXPECT().FetchTelemetryConfig(mock.Anything).Return(nil, fmt.Errorf("fetch failed"))
},
wantErr: "failed to fetch telemetry config",
},
"noSinkWhenServerNotRegisteredWithCCM": {
expect: func(mockClient *client.MockClient) {
mt := mockTelemetryConfig(1*time.Second, nil, nil)
mockClient.EXPECT().FetchTelemetryConfig(mock.Anything).Return(mt, nil)
},
},
"noSinkWhenTelemetryConfigProviderInitFails": {
expect: func(mockClient *client.MockClient) {
u, _ := url.Parse("https://test.com/v1/metrics")
// Bad refresh interval forces ConfigProvider creation failure.
mt := mockTelemetryConfig(0*time.Second, u, nil)
mockClient.EXPECT().FetchTelemetryConfig(mock.Anything).Return(mt, nil)
},
wantErr: "failed to init config provider",
},
} {
test := test
t.Run(name, func(t *testing.T) {
t.Parallel()
c := client.NewMockClient(t)
mc := mockMetricsClient{}
test.expect(c)
ctx := context.Background()
s, err := sink(ctx, c, mc)
if test.wantErr != "" {
require.NotNil(t, err)
require.Contains(t, err.Error(), test.wantErr)
require.Nil(t, s)
return
}
if !test.expectedSink {
require.Nil(t, s)
require.Nil(t, err)
return
}
require.NotNil(t, s)
})
}
}
func mockTelemetryConfig(refreshInterval time.Duration, metricsEndpoint *url.URL, filters *regexp.Regexp) *client.TelemetryConfig {
return &client.TelemetryConfig{
MetricsConfig: &client.MetricsConfig{
Endpoint: metricsEndpoint,
Filters: filters,
},
RefreshConfig: &client.RefreshConfig{
RefreshInterval: refreshInterval,
},
}
}