Migrate maintained examples to invocation reporting

integrations/ckconfig/examples/simple/main_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"io"
+	"strings"
 	"testing"
 
 	commandkit "gitea.maximumdirect.net/eric/CommandKit"
@@ -42,7 +43,7 @@ func TestSimpleAppComparesFixturesAndKeepsDefaultCommands(t *testing.T) {
 
 	output.Reset()
 	outcome = app.Execute(context.Background(), []string{"config", "show"}, commandkit.Streams{Out: &output, Err: io.Discard})
-	if outcome.Kind != commandkit.OutcomeSuccess || output.String() != "greeting: Hello\n" {
+	if outcome.Kind != commandkit.OutcomeSuccess || output.String() != "greeting: Hello\nschema:\n  version: 2\n" {
 		t.Fatalf("default show outcome/output = %#v / %q", outcome, output.String())
 	}
 
@@ -60,6 +61,73 @@ func TestSimpleLoaderDoesNotReplaceExplicitEmptyConfiguration(t *testing.T) {
 	}
 }
 
+func TestSimpleConfigurationReportingModes(t *testing.T) {
+	for _, test := range []struct {
+		name           string
+		args           []string
+		wantOutput     string
+		wantDiagnostic string
+		quiet          bool
+	}{
+		{
+			name:       "ordinary output hides provider warning",
+			args:       []string{"config", "show", "--config", "fixtures/before.yml"},
+			wantOutput: "greeting: Hello\nschema:\n  version: 1\n",
+		},
+		{
+			name:  "quiet suppresses configuration report",
+			args:  []string{"config", "show", "--config", "fixtures/before.yml", "--quiet"},
+			quiet: true,
+		},
+		{
+			name:           "verbose shows ConfigKit warning",
+			args:           []string{"config", "show", "--config", "fixtures/before.yml", "--verbose"},
+			wantOutput:     "greeting: Hello\nschema:\n  version: 1\n",
+			wantDiagnostic: "schema version 1 is supported",
+		},
+	} {
+		t.Run(test.name, func(t *testing.T) {
+			outcome, output, diagnostics := executeSimple(t, test.args...)
+			if outcome.Kind != commandkit.OutcomeSuccess || outcome.Cause != nil {
+				t.Fatalf("outcome = %#v", outcome)
+			}
+			if output != test.wantOutput {
+				t.Errorf("output = %q, want %q", output, test.wantOutput)
+			}
+			if test.wantDiagnostic != "" && !strings.Contains(diagnostics, test.wantDiagnostic) {
+				t.Errorf("diagnostics = %q, want provider warning %q", diagnostics, test.wantDiagnostic)
+			}
+			if test.wantDiagnostic == "" && diagnostics != "" {
+				t.Errorf("diagnostics = %q, want no warning outside verbose mode", diagnostics)
+			}
+			if strings.Contains(diagnostics, "ERROR:") {
+				t.Errorf("diagnostics %q unexpectedly contain a terminal failure", diagnostics)
+			}
+			if test.quiet && (outcome.Presentation.Output.State != commandkit.DeliverySuppressed || outcome.Presentation.Diagnostics.State != commandkit.DeliverySuppressed) {
+				t.Errorf("quiet presentation = %#v, want report and provider warning suppressed", outcome.Presentation)
+			}
+		})
+	}
+}
+
+func TestSimpleCustomCommandUsesSharedReportingFlags(t *testing.T) {
+	outcome, output, diagnostics := executeSimple(t, "greet", "--quiet")
+	if outcome.Kind != commandkit.OutcomeSuccess || output != "" || diagnostics != "" {
+		t.Fatalf("quiet greet outcome/output/diagnostics = %#v / %q / %q", outcome, output, diagnostics)
+	}
+}
+
+func executeSimple(t *testing.T, args ...string) (commandkit.Outcome, string, string) {
+	t.Helper()
+	app, err := newApp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	var output, diagnostics bytes.Buffer
+	outcome := app.Execute(context.Background(), args, commandkit.Streams{Out: &output, Err: &diagnostics})
+	return outcome, output.String(), diagnostics.String()
+}
+
 func field(mapping *yaml.Node, name string) *yaml.Node {
 	if mapping == nil || mapping.Kind != yaml.MappingNode {
 		return nil