Expand P2 test coverage: mining chain, spread lanes, path forge, WS/beacon, E2E onion, file handling

agent/client/pathtracer_stub_test.go

@@ -4,12 +4,13 @@ package client
 
 import (
 	"encoding/json"
+	"strings"
 	"testing"
 )
 
 // TestWGSetupJSONReturnsError verifies that the non-Windows stub returns a
 // JSON error payload indicating WireGuard is not available on this platform.
-func TestWGSetupJSONReturnsError(t *testing.T) {
+func TestPathTracerStubWGSetupJSONReturnsError(t *testing.T) {
 	raw := WGSetupJSON()
 	if raw == "" {
 		t.Fatal("WGSetupJSON returned empty string")
@@ -34,7 +35,7 @@ func TestWGSetupJSONReturnsError(t *testing.T) {
 }
 
 // TestWGConfigureNoOp verifies that WGConfigure is a no-op on non-Windows.
-func TestWGConfigureNoOp(t *testing.T) {
+func TestPathTracerStubWGConfigureNoOp(t *testing.T) {
 	payload := WGConfigPayload{
 		SessionID:    "test-session",
 		PrivateKey:   "privkey",
@@ -56,22 +57,45 @@ func TestWGConfigureNoOp(t *testing.T) {
 }
 
 // TestWGTeardownNoOp verifies WGTeardown does not panic or error on non-Windows.
-func TestWGTeardownNoOp(t *testing.T) {
+func TestPathTracerStubWGTeardownNoOp(t *testing.T) {
 	// Should complete without panic.
 	WGTeardown()
 }
 
 // TestWGIsActiveReturnsFalse ensures the stub correctly reports inactive.
-func TestWGIsActiveReturnsFalse(t *testing.T) {
+func TestPathTracerStubWGIsActiveReturnsFalse(t *testing.T) {
 	if WGIsActive() {
 		t.Error("WGIsActive stub must return false on non-Windows")
 	}
 }
 
 // TestWGStatusNotSupported verifies the stub reports an unsupported-platform message.
-func TestWGStatusNotSupported(t *testing.T) {
+func TestPathTracerStubWGStatusNotSupported(t *testing.T) {
 	status := WGStatus()
 	if status == "" {
 		t.Error("WGStatus stub must return a non-empty string")
 	}
+	if !strings.Contains(status, "not supported") {
+		t.Errorf("WGStatus stub should mention unsupported platform, got %q", status)
+	}
+}
+
+// TestWGSetupJSONExactStubError verifies the stub error string matches server expectations.
+func TestPathTracerStubWGSetupJSONExactError(t *testing.T) {
+	raw := WGSetupJSON()
+	if !strings.Contains(raw, "Windows-only") {
+		t.Errorf("stub error should mention Windows-only, got %q", raw)
+	}
+}
+
+// TestWGConfigureRejectsEmptyPayloadOnStub is a no-op but documents stub behaviour.
+func TestPathTracerStubWGConfigureAcceptsPayload(t *testing.T) {
+	err := WGConfigure(WGConfigPayload{
+		SessionID:    "stub-session",
+		LocalAddress: "10.66.0.2/24",
+		ListenPort:   51820,
+	})
+	if err != nil {
+		t.Errorf("WGConfigure stub must be no-op, got %v", err)
+	}
 }