add embeddable scanner SDK

pkg/fscan/scanner_test.go

@@ -0,0 +1,66 @@
+package fscan
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	commonconfig "github.com/shadow1ng/fscan/common/config"
+)
+
+func TestBuildFlagVarsDefaults(t *testing.T) {
+	fv := buildFlagVars(Config{}, Target{Host: "127.0.0.1"})
+
+	if fv.Host != "127.0.0.1" {
+		t.Fatalf("Host = %q", fv.Host)
+	}
+	if fv.Ports != commonconfig.MainPorts {
+		t.Fatalf("Ports = %q, want MainPorts", fv.Ports)
+	}
+	if fv.ScanMode != "all" {
+		t.Fatalf("ScanMode = %q, want all", fv.ScanMode)
+	}
+	if !fv.DisableSave || !fv.Silent || !fv.DisableProgress {
+		t.Fatalf("embedded defaults should disable output side effects")
+	}
+}
+
+func TestBuildFlagVarsTargetPortsOverride(t *testing.T) {
+	fv := buildFlagVars(Config{Ports: []int{22, 80}}, Target{Host: "127.0.0.1", Ports: []int{3306, 22}})
+
+	if fv.Ports != "22,3306" {
+		t.Fatalf("Ports = %q, want sorted target override", fv.Ports)
+	}
+}
+
+func TestValidateConfig(t *testing.T) {
+	if err := validateConfig(Config{}, nil); err == nil {
+		t.Fatal("expected missing target error")
+	}
+	if err := validateConfig(Config{}, []Target{{Host: "127.0.0.1", URL: "http://127.0.0.1"}}); err == nil {
+		t.Fatal("expected host/url conflict")
+	}
+	if err := validateConfig(Config{Plugins: []string{"definitely-missing"}}, []Target{{Host: "127.0.0.1"}}); err == nil {
+		t.Fatal("expected missing plugin error")
+	}
+	if err := validateConfig(Config{}, []Target{{Host: "127.0.0.1", Ports: []int{70000}}}); err == nil {
+		t.Fatal("expected invalid port error")
+	}
+}
+
+func TestScanHonorsCanceledContext(t *testing.T) {
+	scanner := NewScanner(Config{
+		DisablePing:  true,
+		DisableBrute: true,
+		Timeout:      time.Second,
+		Plugins:      []string{"redis"},
+	})
+
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel()
+
+	_, err := scanner.Scan(ctx, Target{Host: "127.0.0.1", Ports: []int{6379}})
+	if err != context.Canceled {
+		t.Fatalf("Scan error = %v, want context.Canceled", err)
+	}
+}