add http server

internal/api/http/server_test.go

@@ -0,0 +1,110 @@
+package http_test
+
+import (
+	"bytes"
+	"encoding/json"
+	"log/slog"
+	stdhttp "net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	"git.loyso.art/frx/devsim/internal/api/http"
+	"git.loyso.art/frx/devsim/internal/entities"
+	"git.loyso.art/frx/devsim/internal/store/mock"
+
+	"github.com/stretchr/testify/require"
+)
+
+func prepareEssentials(t testing.TB) (*mock.MockedStore, *slog.Logger) {
+	t.Helper()
+	log := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{}))
+	return mock.NewMock(), log
+}
+
+func TestList(t *testing.T) {
+	require := require.New(t)
+	store, log := prepareEssentials(t)
+
+	expectedStatistics := []entities.DeviceStatistics{
+		{
+			ID:                   entities.DeviceID("test-1"),
+			OutgoingTrafficBytes: 10,
+		},
+		{
+			ID:                   entities.DeviceID("test-2"),
+			IncomingTrafficBytes: 20,
+		},
+	}
+
+	store.RegisterOnList(func() ([]entities.DeviceStatistics, error) {
+		return expectedStatistics, nil
+	})
+
+	hb := http.NewHandlersBuilder()
+	hb.MountStatsHandlers(store, log)
+
+	handler := hb.Build()
+
+	server := httptest.NewServer(handler)
+	defer server.Close()
+
+	httpClient := server.Client()
+	req, err := stdhttp.NewRequest(stdhttp.MethodGet, server.URL+"/api/v1/stats", nil)
+	require.NoError(err)
+
+	resp, err := httpClient.Do(req)
+	require.NoError(err)
+
+	stats := make([]entities.DeviceStatistics, 0, 2)
+	err = json.NewDecoder(resp.Body).Decode(&stats)
+	require.NoError(err)
+
+	require.ElementsMatch(stats, expectedStatistics)
+}
+
+func TestUpsert(t *testing.T) {
+	require := require.New(t)
+	store, log := prepareEssentials(t)
+
+	expectedStatistics := entities.DeviceStatistics{
+		ID:                   entities.DeviceID("test-1"),
+		IncomingTrafficBytes: 5,
+		OutgoingTrafficBytes: 10,
+		IncomingRPS:          8,
+		WriteRPS:             6,
+		ReadRPS:              3,
+	}
+
+	incomingStats := new(entities.DeviceStatistics)
+	store.RegisterOnUpsert(func(ds entities.DeviceStatistics) error {
+		*incomingStats = ds
+		return nil
+	})
+
+	hb := http.NewHandlersBuilder()
+	hb.MountStatsHandlers(store, log)
+
+	handler := hb.Build()
+
+	server := httptest.NewServer(handler)
+	defer server.Close()
+
+	httpClient := server.Client()
+
+	requestBody, _ := json.Marshal(map[string]any{
+		"incoming_traffic": 5,
+		"outgoing_traffic": 10,
+		"incoming_rps":     8,
+		"write_rps":        6,
+		"read_rps":         3,
+	})
+
+	req, err := stdhttp.NewRequest(stdhttp.MethodPost, server.URL+"/api/v1/stats/"+string(expectedStatistics.ID), bytes.NewReader(requestBody))
+	require.NoError(err)
+
+	resp, err := httpClient.Do(req)
+	require.NoError(err)
+	require.Equal(resp.StatusCode, stdhttp.StatusOK)
+	require.Equal(*incomingStats, expectedStatistics)
+}