1 files changed, 32 insertions, 0 deletions
diff --git a/tools/interface_generator/bin/templates/interface_mock.cpp.mako b/tools/interface_generator/bin/templates/interface_mock.cpp.mako
new file mode 100644
index 0000000..721f2c4
--- /dev/null
+++ b/tools/interface_generator/bin/templates/interface_mock.cpp.mako
@@ -0,0 +1,32 @@
+<%include file="__header.mako" />
+
+#include <stdexcept>
+#include "${name}_mock.hpp"
+
+static I${name}_mock *s_instance = nullptr;
+
+I${name}_mock::I${name}_mock()
+{
+  if(s_instance != nullptr)
+  {
+    throw std::runtime_error("Creating a second instance of mock object");
+  }
+  s_instance = this;
+}
+
+I${name}_mock::~I${name}_mock()
+{
+  // destructors shouldn't throw exceptions
+  s_instance = nullptr;
+}
+
+% for fn in functions:
+${fn['return']} ${name}_${fn['name']}(${ ", ".join(fn['arguments']) })
+{
+  if(s_instance == nullptr)
+  {
+    throw std::runtime_error("No mock created to handle function ${name}_${fn['name']}");
+  }
+  return s_instance->${fn['name']}(${ ", ".join(fn['argument_names']) });
+}
+% endfor