cli/internal/codespaces/grpc/client_test.go
2022-10-12 12:40:38 -07:00

84 lines
2.1 KiB
Go

package grpc
import (
"context"
"fmt"
"log"
"os"
"testing"
grpctest "github.com/cli/cli/v2/internal/codespaces/grpc/test"
)
func startServer(t *testing.T) {
t.Helper()
if os.Getenv("GITHUB_ACTIONS") == "true" {
t.Skip("fails intermittently in CI: https://github.com/cli/cli/issues/5663")
}
ctx, cancel := context.WithCancel(context.Background())
// Start the gRPC server in the background
go func() {
err := grpctest.StartServer(ctx)
if err != nil && err != context.Canceled {
log.Println(fmt.Errorf("error starting test server: %v", err))
}
}()
// Stop the gRPC server when the test is done
t.Cleanup(func() {
cancel()
})
}
func connect(t *testing.T) (client *Client) {
t.Helper()
client, err := Connect(context.Background(), &grpctest.Session{}, "token")
if err != nil {
t.Fatalf("error connecting to internal server: %v", err)
}
t.Cleanup(func() {
client.Close()
})
return client
}
// Test that the gRPC client returns the correct port and URL when the JupyterLab server starts successfully
func TestStartJupyterServerSuccess(t *testing.T) {
startServer(t)
client := connect(t)
port, url, err := client.StartJupyterServer(context.Background())
if err != nil {
t.Fatalf("expected %v, got %v", nil, err)
}
if port != grpctest.JupyterPort {
t.Fatalf("expected %d, got %d", grpctest.JupyterPort, port)
}
if url != grpctest.JupyterServerUrl {
t.Fatalf("expected %s, got %s", grpctest.JupyterServerUrl, url)
}
}
// Test that the gRPC client returns an error when the JupyterLab server fails to start
func TestStartJupyterServerFailure(t *testing.T) {
startServer(t)
client := connect(t)
grpctest.JupyterMessage = "error message"
grpctest.JupyterResult = false
errorMessage := fmt.Sprintf("failed to start JupyterLab: %s", grpctest.JupyterMessage)
port, url, err := client.StartJupyterServer(context.Background())
if err.Error() != errorMessage {
t.Fatalf("expected %v, got %v", errorMessage, err)
}
if port != 0 {
t.Fatalf("expected %d, got %d", 0, port)
}
if url != "" {
t.Fatalf("expected %s, got %s", "", url)
}
}