[chore/testing] Add env vars to skip testrig setup/teardown (#4317)

Add flags to skip local testrig db setup and teardown, to allow somewhat easier testing of migrations. Documents env vars available to the testrig.

Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4317
Co-authored-by: tobi <tobi.smethurst@protonmail.com>
Co-committed-by: tobi <tobi.smethurst@protonmail.com>

cmd/gotosocial/action/testrig/testrig.go

@@ -92,9 +92,14 @@ var Start action.GTSAction = func(ctx context.Context) error {
 		}
 
 		if state.DB != nil {
+			// Clean up database by
+			// dropping tables if required.
+			if !config.GetTestrigSkipDBTeardown() {
+				testrig.StandardDBTeardown(state.DB)
+			}
+
 			// Lastly, if database service was started,
 			// ensure it gets closed now all else stopped.
-			testrig.StandardDBTeardown(state.DB)
 			if err := state.DB.Close(); err != nil {
 				log.Errorf(ctx, "error stopping database: %v", err)
 			}
@@ -125,7 +130,10 @@ var Start action.GTSAction = func(ctx context.Context) error {
 	// that twice, we can just start the initialized caches.
 	state.Caches.Start()
 
-	testrig.StandardDBSetup(state.DB, nil)
+	// Populate database tables + data if required.
+	if !config.GetTestrigSkipDBSetup() {
+		testrig.StandardDBSetup(state.DB, nil)
+	}
 
 	// Get the instance account (we'll need this later).
 	instanceAccount, err := state.DB.GetInstanceAccount(ctx, "")

cmd/gotosocial/testrig.go

@@ -19,6 +19,7 @@ package main
 
 import (
 	"code.superseriousbusiness.org/gotosocial/cmd/gotosocial/action/testrig"
+	"code.superseriousbusiness.org/gotosocial/internal/config"
 	"github.com/spf13/cobra"
 )
 
@@ -38,6 +39,7 @@ func testrigCommands() *cobra.Command {
 		}
 
 		testrigCmd.AddCommand(testrigStartCmd)
+		config.AddTestrig(testrigCmd)
 		return testrigCmd
 	}
 	return nil