Cleanup and complete the pipeline refactor

internal/core/config/validation_test.go

@@ -250,21 +250,6 @@ func TestValidateRejectsReferencesOnUnsupportedBindings(t *testing.T) {
 			},
 			want: []string{"example", "input", "references", "not supported"},
 		},
-		{
-			name: "validator",
-			mutate: func(cfg Config) Config {
-				profile := cfg.Pipelines["example"]
-				lane := profile.Artifacts["events"]
-				lane.Validators = []pipeline.ModuleBinding{{
-					Module:     "fake/validator",
-					References: map[string]string{"roster": "./roster.yml"},
-				}}
-				profile.Artifacts["events"] = lane
-				cfg.Pipelines["example"] = profile
-				return cfg
-			},
-			want: []string{"example", "events", "validator[0]", "references", "not supported"},
-		},
 		{
 			name: "output",
 			mutate: func(cfg Config) Config {
@@ -344,14 +329,32 @@ func TestValidateRejectsIDsDuplicatedAfterTrimming(t *testing.T) {
 	}
 }
 
+func TestValidateRejectsConfiguredValidators(t *testing.T) {
+	cfg := validConfig()
+	profile := cfg.Pipelines["example"]
+	lane := profile.Artifacts["events"]
+	lane.Validators = []pipeline.ModuleBinding{pipeline.Binding("fake/validator")}
+	profile.Artifacts["events"] = lane
+	cfg.Pipelines["example"] = profile
+
+	err := cfg.Validate()
+	if err == nil {
+		t.Fatal("Validate() error = nil, want configured validators error")
+	}
+	for _, want := range []string{"example", "events", "validators", "not supported"} {
+		if !strings.Contains(err.Error(), want) {
+			t.Fatalf("Validate() error = %q, want substring %q", err.Error(), want)
+		}
+	}
+}
+
 func validConfig() Config {
 	cfg := Default()
 	cfg.Pipelines["example"] = pipeline.PipelineProfile{
 		Input: pipeline.Binding("fake/input"),
 		Artifacts: map[string]pipeline.ArtifactLaneProfile{
 			"events": {
-				Extract:    pipeline.Binding("fake/extract"),
-				Validators: []pipeline.ModuleBinding{pipeline.Binding("fake/validator")},
+				Extract: pipeline.Binding("fake/extract"),
 			},
 			"notes": {
 				Extract: pipeline.Binding("fake/extract"),