add test for config files

Author: badaix

.travis.yml

@@ -130,4 +130,4 @@ before_install:
 script:
   - mkdir build
   - cd build
-  - cmake .. && make && ./example/popl_example && ./test/popl_test
+  - cmake .. && make && ./example/popl_example && cd test && ./popl_test

test/CMakeLists.txt

@@ -6,5 +6,5 @@ target_include_directories(Catch INTERFACE ${CATCH_INCLUDE_DIR})
 # Make test executable
 set(TEST_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/test_main.cpp)
 add_executable(popl_test ${TEST_SOURCES})
+configure_file(test.conf ${CMAKE_CURRENT_BINARY_DIR} COPYONLY)
 target_link_libraries(popl_test Catch)
-

test/test.conf

@@ -0,0 +1,6 @@
+
+## test configuration file
+
+[section]
+integer = 23
+

test/test_main.cpp

@@ -13,7 +13,7 @@
 using namespace popl;
 using namespace std;
 
-TEST_CASE("Main test")
+TEST_CASE("command line")
 {
     OptionParser op("Allowed options");
     std::vector<const char*> args = {"popl", "-h"};
@@ -34,3 +34,23 @@ TEST_CASE("Main test")
         cerr << "Exception: " << e.what() << "\n";
     }
 }
+
+
+TEST_CASE("config file")
+{
+    OptionParser op("Allowed options");
+    auto int_option = op.add<Value<int>>("i", "section.integer", "test for int value", 42);
+
+    try
+    {
+        op.parse("test.conf");
+        REQUIRE(int_option->is_set() == true);
+        REQUIRE(int_option->count() == 1);
+        REQUIRE(int_option->value() == 23);
+    }
+    catch (const std::exception& e)
+    {
+        cerr << "Exception: " << e.what() << "\n";
+    }
+}
+