harden search parsing and qobuz refresh validation

cmd/rip/main_test.go

@@ -2,6 +2,9 @@ package main
 
 import (
 	"errors"
+	"os"
+	"path/filepath"
+	"strings"
 	"testing"
 )
 
@@ -198,6 +201,38 @@ func TestParseSearchArgsAllowsFirstAndOutputFileButCallerCanReject(t *testing.T)
 	}
 }
 
+func TestParseSearchArgsRejectsUnknownOption(t *testing.T) {
+	_, err := parseSearchArgs([]string{"query", "--bogus"}, 20)
+	if err == nil || !strings.Contains(err.Error(), "unknown option") {
+		t.Fatalf("expected unknown option error, got %v", err)
+	}
+}
+
+func TestParseSearchArgsSupportsDoubleDashTerminator(t *testing.T) {
+	opts, err := parseSearchArgs([]string{"--limit", "10", "--", "--weird", "track"}, 20)
+	if err != nil {
+		t.Fatalf("parseSearchArgs() error = %v", err)
+	}
+	if opts.limit != 10 {
+		t.Fatalf("limit = %d, want 10", opts.limit)
+	}
+	if opts.query != "--weird track" {
+		t.Fatalf("query = %q, want %q", opts.query, "--weird track")
+	}
+}
+
+func TestWriteSearchResultsToFileCreatesParentDirectory(t *testing.T) {
+	tmp := t.TempDir()
+	out := filepath.Join(tmp, "nested", "search", "results.json")
+	results := []searchResult{{ID: "1", Title: "Dreams"}}
+	if err := writeSearchResultsToFile("qobuz", "track", results, out); err != nil {
+		t.Fatalf("writeSearchResultsToFile() error = %v", err)
+	}
+	if _, err := os.Stat(out); err != nil {
+		t.Fatalf("expected output file, stat error = %v", err)
+	}
+}
+
 func TestErrorWithActionableHintForSSL(t *testing.T) {
 	err := errors.New("x509: certificate signed by unknown authority")
 	msg := errorWithActionableHint(err, globalOptions{})