From 892cf8b97954a9a0f9097faa37d4bb3c5fa16e78 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <vnicolas@apple.com>
Date: Thu, 13 Jan 2022 16:40:23 +0100
Subject: [PATCH] [Simulated Device] Print the list of available test commands
 if the command is unknown (#13529)

* [Simulated Device] Print the list of available test commands if the command is unknown

* Update generated simulated device code
---
 .../placeholder/linux/include/MatterCallbacks.h    |  1 +
 examples/placeholder/templates/tests-commands.zapt | 14 ++++++++++++++
 .../placeholder/app1/zap-generated/test/Commands.h |  6 ++++++
 .../placeholder/app2/zap-generated/test/Commands.h |  6 ++++++
 .../placeholder/zap-generated/af-gen-event.h       |  0
 5 files changed, 27 insertions(+)
 create mode 100644 zzz_generated/placeholder/zap-generated/af-gen-event.h

diff --git a/examples/placeholder/linux/include/MatterCallbacks.h b/examples/placeholder/linux/include/MatterCallbacks.h
index b7a9c45de6dd76..210dd2b267ee72 100644
--- a/examples/placeholder/linux/include/MatterCallbacks.h
+++ b/examples/placeholder/linux/include/MatterCallbacks.h
@@ -39,6 +39,7 @@ TestCommand * GetTargetTest()
     if (test.get() == nullptr)
     {
         ChipLogError(chipTool, "Specified test command does not exist: %s", command);
+        PrintTestCommands();
         return nullptr;
     }
 
diff --git a/examples/placeholder/templates/tests-commands.zapt b/examples/placeholder/templates/tests-commands.zapt
index f23545eebd8ac5..d2f60abee86a39 100644
--- a/examples/placeholder/templates/tests-commands.zapt
+++ b/examples/placeholder/templates/tests-commands.zapt
@@ -21,3 +21,17 @@ std::unique_ptr<TestCommand>GetTestCommand(std::string testName)
 
   return nullptr;
 }
+
+void PrintTestCommands()
+{
+  {{#if (getTests)}}
+  {{#chip_tests (getTests)}}
+  {{#first}}
+  ChipLogError(chipTool, "Supported commands:");
+  {{/first}}
+  ChipLogError(chipTool, "\t* {{filename}}");
+  {{else}}
+  ChipLogError("\t No available commands.");
+  {{/chip_tests}}
+  {{/if}}
+}
diff --git a/zzz_generated/placeholder/app1/zap-generated/test/Commands.h b/zzz_generated/placeholder/app1/zap-generated/test/Commands.h
index bab2de8270d0fa..a1b3008d43c825 100644
--- a/zzz_generated/placeholder/app1/zap-generated/test/Commands.h
+++ b/zzz_generated/placeholder/app1/zap-generated/test/Commands.h
@@ -395,3 +395,9 @@ std::unique_ptr<TestCommand> GetTestCommand(std::string testName)
 
     return nullptr;
 }
+
+void PrintTestCommands()
+{
+    ChipLogError(chipTool, "Supported commands:");
+    ChipLogError(chipTool, "\t* Test_TC_DM_1_3_Simulated");
+}
diff --git a/zzz_generated/placeholder/app2/zap-generated/test/Commands.h b/zzz_generated/placeholder/app2/zap-generated/test/Commands.h
index bab2de8270d0fa..a1b3008d43c825 100644
--- a/zzz_generated/placeholder/app2/zap-generated/test/Commands.h
+++ b/zzz_generated/placeholder/app2/zap-generated/test/Commands.h
@@ -395,3 +395,9 @@ std::unique_ptr<TestCommand> GetTestCommand(std::string testName)
 
     return nullptr;
 }
+
+void PrintTestCommands()
+{
+    ChipLogError(chipTool, "Supported commands:");
+    ChipLogError(chipTool, "\t* Test_TC_DM_1_3_Simulated");
+}
diff --git a/zzz_generated/placeholder/zap-generated/af-gen-event.h b/zzz_generated/placeholder/zap-generated/af-gen-event.h
new file mode 100644
index 00000000000000..e69de29bb2d1d6