Lightly refactor DebuggerSessionObserverTest (facebook#54055)

Summary:
Pull Request resolved: facebook#54055

Changelog: [Internal]

TSIA

Reviewed By: robhogan

Differential Revision: D83841197

fbshipit-source-id: e263f4098e09d0789abc1c33ee7ca4dac44600b2

Author: motiz88

packages/react-native/ReactCommon/jsinspector-modern/tests/DebuggerSessionObserverTest.cpp

@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include <folly/executors/QueuedImmediateExecutor.h>
+
+#include "JsiIntegrationTest.h"
+#include "engines/JsiIntegrationTestHermesEngineAdapter.h"
+
+using namespace ::testing;
+
+namespace facebook::react::jsinspector_modern {
+
+class DebuggerSessionObserverTest : public JsiIntegrationPortableTestBase<
+                                        JsiIntegrationTestHermesEngineAdapter,
+                                        folly::QueuedImmediateExecutor> {
+ protected:
+  void enableRuntimeDomain() {
+    InSequence s;
+
+    auto executionContextInfo = expectMessageFromPage(JsonParsed(
+        AllOf(AtJsonPtr("/method", "Runtime.executionContextCreated"))));
+    expectMessageFromPage(JsonEq(R"({
+                                        "id": 1,
+                                        "result": {}
+                                    })"));
+    toPage_->sendMessage(R"({
+                                "id": 1,
+                                "method": "Runtime.enable"
+                            })");
+  }
+
+  void enableLogDomain() {
+    InSequence s;
+
+    EXPECT_CALL(
+        fromPage(),
+        onMessage(JsonParsed(AllOf(
+            AtJsonPtr("/method", "Log.entryAdded"),
+            AtJsonPtr("/params/entry", Not(IsEmpty()))))))
+        .Times(AtLeast(1));
+    expectMessageFromPage(JsonEq(R"({
+                                        "id": 1,
+                                        "result": {}
+                                    })"));
+    toPage_->sendMessage(R"({
+                                "id": 1,
+                                "method": "Log.enable"
+                            })");
+  }
+
+  void disableRuntimeDomain() {
+    InSequence s;
+    expectMessageFromPage(JsonEq(R"({
+                                        "id": 1,
+                                        "result": {}
+                                    })"));
+    toPage_->sendMessage(R"({
+                                "id": 1,
+                                "method": "Runtime.disable"
+                            })");
+  }
+
+  void disableLogDomain() {
+    InSequence s;
+    expectMessageFromPage(JsonEq(R"({
+                                        "id": 1,
+                                        "result": {}
+                                    })"));
+    toPage_->sendMessage(R"({
+                                "id": 1,
+                                "method": "Log.disable"
+                            })");
+  }
+};
+
+TEST_F(DebuggerSessionObserverTest, InstallsGlobalObserverObjectByDefault) {
+  EXPECT_TRUE(eval("__DEBUGGER_SESSION_OBSERVER__ != null").asBool());
+}
+
+TEST_F(
+    DebuggerSessionObserverTest,
+    WillNotEmitStatusUpdateUnlessBothRuntimeAndLogDomainsAreEnabled) {
+  EXPECT_FALSE(eval("__DEBUGGER_SESSION_OBSERVER__.hasActiveSession").asBool());
+
+  connect();
+
+  EXPECT_FALSE(eval("__DEBUGGER_SESSION_OBSERVER__.hasActiveSession").asBool());
+
+  enableRuntimeDomain();
+
+  EXPECT_FALSE(eval("__DEBUGGER_SESSION_OBSERVER__.hasActiveSession").asBool());
+
+  enableLogDomain();
+
+  EXPECT_TRUE(eval("__DEBUGGER_SESSION_OBSERVER__.hasActiveSession").asBool());
+}
+
+TEST_F(
+    DebuggerSessionObserverTest,
+    UpdatesTheStatusOnceRuntimeDomainIsDisabled) {
+  connect();
+  enableLogDomain();
+  enableRuntimeDomain();
+
+  EXPECT_TRUE(eval("__DEBUGGER_SESSION_OBSERVER__.hasActiveSession").asBool());
+
+  disableRuntimeDomain();
+
+  EXPECT_FALSE(eval("__DEBUGGER_SESSION_OBSERVER__.hasActiveSession").asBool());
+}
+
+TEST_F(DebuggerSessionObserverTest, UpdatesTheStatusOnceLogDomainIsDisabled) {
+  connect();
+  enableLogDomain();
+  enableRuntimeDomain();
+
+  EXPECT_TRUE(eval("__DEBUGGER_SESSION_OBSERVER__.hasActiveSession").asBool());
+
+  disableLogDomain();
+
+  EXPECT_FALSE(eval("__DEBUGGER_SESSION_OBSERVER__.hasActiveSession").asBool());
+}
+
+TEST_F(
+    DebuggerSessionObserverTest,
+    NotifiesSubscribersWhichWereSubscribedBeforeSessionInitialization) {
+  eval(
+      R"(
+        var latestStatus = undefined;
+        __DEBUGGER_SESSION_OBSERVER__.subscribers.add(updatedStatus => {
+          latestStatus = updatedStatus;
+        });
+      )");
+
+  EXPECT_TRUE(eval("latestStatus").isUndefined());
+
+  connect();
+  enableLogDomain();
+  enableRuntimeDomain();
+  EXPECT_TRUE(eval("latestStatus").asBool());
+
+  disableLogDomain();
+
+  EXPECT_FALSE(eval("latestStatus").asBool());
+}
+
+} // namespace facebook::react::jsinspector_modern