Add unit test for AppDir::deployFile

tests/AppDirUnitTests.cpp

@@ -149,6 +149,24 @@ namespace AppDirUnitTests {
 
         if (!simple_icon_found)
             FAIL();
+    }
 
+
+    TEST_F(AppDirUnitTestsFixture, deployFile) {
+        path filePath = SIMPLE_FILE_PATH;
+        appDir.deployFile(filePath, tmpAppDir / "usr/share/doc/simple_application/");
+        appDir.executeDeferredOperations();
+
+        bool simple_file_found = false;
+        recursive_directory_iterator end_itr; // default construction yields past-the-end
+        for (recursive_directory_iterator itr(tmpAppDir); itr != end_itr && (!simple_file_found); itr++) {
+            const auto path = relative(itr->path(), tmpAppDir).filename().string();
+
+            if (path.find("simple_file.txt") != std::string::npos)
+                simple_file_found = true;
+        }
+
+        if (!simple_file_found)
+            FAIL();
     }
 }

tests/CMakeLists.txt

@@ -14,6 +14,7 @@ target_compile_definitions(AppDirUnitTests PRIVATE
     -DSIMPLE_EXECUTABLE_PATH="$<TARGET_FILE:simple_executable>"
     -DSIMPLE_DESKTOP_ENTRY_PATH="${CMAKE_CURRENT_SOURCE_DIR}/data/simple_app.Desktop"
     -DSIMPLE_ICON_PATH="${CMAKE_CURRENT_SOURCE_DIR}/data/simple_icon.svg"
+    -DSIMPLE_FILE_PATH="${CMAKE_CURRENT_SOURCE_DIR}/data/simple_file.txt"
     )
 
 add_gtest(AppDirUnitTests)

tests/data/simple_file.txt

@@ -0,0 +1 @@
+Hello World!