databricks-cli/libs/telemetry/logger_test.go

114 lines
3.4 KiB
Go

package telemetry
import (
"context"
"math/rand"
"net/http"
"testing"
"time"
"github.com/databricks/cli/libs/telemetry/events"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
)
type mockDatabricksClient struct {
numCalls int
t *testing.T
}
func (m *mockDatabricksClient) Do(ctx context.Context, method, path string, headers map[string]string, request, response any, visitors ...func(*http.Request) error) error {
// Block until the fire channel is fired.
m.numCalls++
assertRequestPayload := func(reqb RequestBody) {
expectedProtoLogs := []string{
"{\"frontend_log_event_id\":\"0194fdc2-fa2f-4cc0-81d3-ff12045b73c8\",\"entry\":{\"databricks_cli_log\":{\"cli_test_event\":{\"name\":\"VALUE1\"}}}}",
"{\"frontend_log_event_id\":\"6e4ff95f-f662-45ee-a82a-bdf44a2d0b75\",\"entry\":{\"databricks_cli_log\":{\"cli_test_event\":{\"name\":\"VALUE2\"}}}}",
"{\"frontend_log_event_id\":\"fb180daf-48a7-4ee0-b10d-394651850fd4\",\"entry\":{\"databricks_cli_log\":{\"cli_test_event\":{\"name\":\"VALUE2\"}}}}",
"{\"frontend_log_event_id\":\"a178892e-e285-4ce1-9114-55780875d64e\",\"entry\":{\"databricks_cli_log\":{\"cli_test_event\":{\"name\":\"VALUE3\"}}}}",
}
// Assert payload matches the expected payload.
assert.Equal(m.t, expectedProtoLogs, reqb.ProtoLogs)
}
switch m.numCalls {
case 1:
// The call is successful but not all events are successfully logged.
assertRequestPayload(request.(RequestBody))
*(response.(*ResponseBody)) = ResponseBody{
NumProtoSuccess: 3,
}
case 2:
// The call is successful and all events are successfully logged.
assertRequestPayload(request.(RequestBody))
*(response.(*ResponseBody)) = ResponseBody{
NumProtoSuccess: 4,
}
default:
panic("unexpected number of calls")
}
return nil
}
func TestTelemetryLoggerFlushesEvents(t *testing.T) {
mockClient := &mockDatabricksClient{
t: t,
}
// Set the random number generator to a fixed seed to ensure that the UUIDs are deterministic.
uuid.SetRand(rand.New(rand.NewSource(0)))
t.Cleanup(func() {
uuid.SetRand(nil)
})
ctx := ContextWithLogger(context.Background())
for _, v := range []events.DummyCliEnum{events.DummyCliEnumValue1, events.DummyCliEnumValue2, events.DummyCliEnumValue2, events.DummyCliEnumValue3} {
Log(ctx, DatabricksCliLog{
CliTestEvent: &events.CliTestEvent{Name: v},
})
}
// Flush the events.
Flush(ctx, mockClient)
// Assert that the .Do method is called twice, because all logs were not
// successfully logged in the first call.
assert.Equal(t, 2, mockClient.numCalls)
}
func TestTelemetryLoggerFlushExitsOnTimeout(t *testing.T) {
// Set the maximum additional wait time to 0 to ensure that the Flush method times out immediately.
MaxAdditionalWaitTime = 0
t.Cleanup(func() {
MaxAdditionalWaitTime = 2 * time.Second
})
mockClient := &mockDatabricksClient{
t: t,
}
// Set the random number generator to a fixed seed to ensure that the UUIDs are deterministic.
uuid.SetRand(rand.New(rand.NewSource(0)))
t.Cleanup(func() {
uuid.SetRand(nil)
})
ctx := ContextWithLogger(context.Background())
for _, v := range []events.DummyCliEnum{events.DummyCliEnumValue1, events.DummyCliEnumValue2, events.DummyCliEnumValue2, events.DummyCliEnumValue3} {
Log(ctx, DatabricksCliLog{
CliTestEvent: &events.CliTestEvent{Name: v},
})
}
// Flush the events.
Flush(ctx, mockClient)
// Assert that the .Do method is never called since the timeout is set to 0.
assert.Equal(t, 0, mockClient.numCalls)
}