Merge pull request #1576 from dgageot/fix-sessions

Test older database

Author: dgageot

e2e/cagent_api_test.go

@@ -0,0 +1,107 @@
+package e2e_test
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/docker/cagent/cmd/root"
+	"github.com/docker/cagent/pkg/server"
+)
+
+type Session struct {
+	Title string `json:"title"`
+}
+
+func TestCagentAPI_ListSessions(t *testing.T) {
+	type testcase struct {
+		db            string
+		expectedCount int
+	}
+
+	for _, tc := range []testcase{
+		{"one-session.db", 1},
+		{"two-sessions.db", 2},
+		{"transfer-task.db", 1},
+		{"session.db", 1},
+		{"session-not-found.db", 17},
+		{"desktop.db", 2},
+	} {
+		t.Run(tc.db, func(t *testing.T) {
+			dbPath, err := filepath.Abs("testdata/db/" + tc.db)
+			require.NoError(t, err)
+
+			socketPath := startCagentAPI(t, dbPath)
+			client := &http.Client{
+				Transport: &http.Transport{
+					DialContext: func(ctx context.Context, _, _ string) (net.Conn, error) {
+						return (&net.Dialer{}).DialContext(ctx, "unix", socketPath)
+					},
+				},
+			}
+
+			resp, err := client.Get("http://localhost/api/sessions")
+			require.NoError(t, err)
+			defer resp.Body.Close()
+
+			var sessions []Session
+			err = json.NewDecoder(resp.Body).Decode(&sessions)
+			require.NoError(t, err)
+
+			assert.Len(t, sessions, tc.expectedCount)
+		})
+	}
+}
+
+func startCagentAPI(t *testing.T, db string) string {
+	t.Helper()
+
+	tmpDir := t.TempDir()
+	t.Chdir(tmpDir)
+
+	copyFile(t, "session.db", db)
+	if _, err := os.Stat(db + "-wal"); err == nil {
+		copyFile(t, "session.db-wal", db+"-wal")
+	}
+
+	ln, err := server.Listen(t.Context(), "unix://cagent.sock")
+	require.NoError(t, err)
+	t.Cleanup(func() {
+		_ = ln.Close()
+	})
+
+	file, err := ln.(*net.UnixListener).File()
+	require.NoError(t, err)
+
+	go func() {
+		var stdout, stderr bytes.Buffer
+		_ = root.Execute(t.Context(), nil, &stdout, &stderr, "api", "-s", "session.db", "--listen", fmt.Sprintf("fd://%d", file.Fd()), "default")
+	}()
+
+	return "cagent.sock"
+}
+
+func copyFile(t *testing.T, dst, src string) {
+	t.Helper()
+
+	srcFile, err := os.Open(src)
+	require.NoError(t, err)
+	defer srcFile.Close()
+
+	dstFile, err := os.Create(dst)
+	require.NoError(t, err)
+	defer dstFile.Close()
+
+	_, err = io.Copy(dstFile, srcFile)
+	require.NoError(t, err)
+}