Isolate pipeline configuration discovery

internal/app/test_environment_test.go

@@ -1,11 +1,13 @@
 package app
 
 import (
+	"context"
 	"os"
 	"path/filepath"
 	"testing"
 
 	configkit "gitea.maximumdirect.net/eric/ConfigKit"
+	"gitea.maximumdirect.net/eric/narratio/internal/config"
 )
 
 // restoreEnvAfterTest clears names for a test and restores both their prior
@@ -47,3 +49,29 @@ func mustWriteSecretFile(t *testing.T, path, value string) {
 		t.Fatal(err)
 	}
 }
+
+func commandDependenciesForPipelineCandidates(candidates ...string) commandDependencies {
+	ownedCandidates := append([]string(nil), candidates...)
+	return commandDependencies{resolvePipelineConfigPath: func(flagValue string) (string, error) {
+		return resolvePipelineConfigPathWithCandidates(flagValue, ownedCandidates)
+	}}
+}
+
+func guardedMissingPipelineDiscovery(t *testing.T) (commandDependencies, string, pipelineExecutor) {
+	t.Helper()
+	candidate := filepath.Join(t.TempDir(), "missing-pipeline.yml")
+	deps := commandDependenciesForPipelineCandidates(candidate)
+	deps.loadSecretsDir = func(string) (*configkit.SecretsReport, error) {
+		t.Fatal("secret bootstrap continued after pipeline discovery failed")
+		return nil, nil
+	}
+	deps.loadPipelineConfig = func(string, config.PipelineLoadOptions) (*config.PipelineConfig, error) {
+		t.Fatal("typed pipeline loading continued after pipeline discovery failed")
+		return nil, nil
+	}
+	executor := func(context.Context, *config.Config, BoundedPlan, RunOptions) (*RunSummary, error) {
+		t.Fatal("pipeline execution continued after pipeline discovery failed")
+		return nil, nil
+	}
+	return deps, candidate, executor
+}