package execx

import (
	"context"
	"strings"
	"testing"
)

// TestRunnerRunFailureWithoutOutput runs one orchestration or CLI step.
// Signature: TestRunnerRunFailureWithoutOutput(t *testing.T).
// Why: covers error branch where command fails without producing output.
func TestRunnerRunFailureWithoutOutput(t *testing.T) {
	r := &Runner{}
	out, err := r.Run(context.Background(), "sh", "-c", "exit 3")
	if err == nil {
		t.Fatalf("expected failure")
	}
	if out != "" {
		t.Fatalf("expected empty output, got %q", out)
	}
}

// TestRunnerLogfNoLogger runs one orchestration or CLI step.
// Signature: TestRunnerLogfNoLogger(t *testing.T).
// Why: covers no-op logging path.
func TestRunnerLogfNoLogger(t *testing.T) {
	r := &Runner{}
	r.logf("hello %s", "world")
}

// TestRunnerCommandMissing runs one orchestration or CLI step.
// Signature: TestRunnerCommandMissing(t *testing.T).
// Why: covers false branch of command existence checks.
func TestRunnerCommandMissing(t *testing.T) {
	r := &Runner{}
	if r.CommandExists("definitely-not-a-real-command-ananke") {
		t.Fatalf("expected missing command to be false")
	}
}

// TestRunnerInjectsKubeconfigEnv runs one orchestration or CLI step.
// Signature: TestRunnerInjectsKubeconfigEnv(t *testing.T).
// Why: covers kubeconfig environment injection branch in command runner.
func TestRunnerInjectsKubeconfigEnv(t *testing.T) {
	r := &Runner{Kubeconfig: "/tmp/test-kubeconfig"}
	out, err := r.Run(context.Background(), "sh", "-c", "printf %s \"$KUBECONFIG\"")
	if err != nil {
		t.Fatalf("runner command failed: %v", err)
	}
	if strings.TrimSpace(out) != "/tmp/test-kubeconfig" {
		t.Fatalf("expected kubeconfig env to propagate, got %q", out)
	}
}