test(parser_test.cpp): test loading from file

include/myxml/error.hpp

@@ -60,6 +60,12 @@ namespace myxml
 
     class IOError : public std::exception
     {
-
+    private:
+        std::string message;
+
+    public:
+        IOError(std::string);
+
+        virtual const char *what() const noexcept override;
     };
 }

src/error.cpp

@@ -42,4 +42,14 @@ namespace myxml
         : ParseError("End of input")
     {
     }
+
+    IOError::IOError(std::string message)
+        : message(message)
+    {
+    }
+
+    const char *IOError::what() const noexcept
+    {
+        return message.c_str();
+    }
 }

src/xmlfile.cpp

@@ -1,9 +1,9 @@
 // TODO: support windows
-
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
+#include <fmt/core.h>
 
 #include "myxml/xmlfile.hpp"
 #include "myxml/error.hpp"
@@ -22,18 +22,18 @@ namespace myxml
         xfile->fd = open(fpath.data(), O_RDONLY);
         if (xfile->fd == -1)
         {
-            throw IOError();
+            throw IOError(fmt::format("Failed to open file: {}", fpath));
         }
         struct stat fileInfo;
         if (fstat(xfile->fd, &fileInfo) == -1)
         {
-            throw IOError();
+            throw IOError(fmt::format("Failed to get info of file: {}", fpath));
         }
         xfile->fileSize = fileInfo.st_size;
         void *mappedRegion = mmap(nullptr, xfile->fileSize, PROT_READ, MAP_PRIVATE, xfile->fd, 0);
         if (mappedRegion == MAP_FAILED)
         {
-            throw IOError();
+            throw IOError(fmt::format("Failed to map memory for file: {}", fpath));
         }
         xfile->inner = static_cast<char *>(mappedRegion);
         return xfile;

tests/CMakeLists.txt

@@ -21,9 +21,7 @@ target_compile_features(document_test PRIVATE cxx_std_17)
 target_compile_features(buffer_test PRIVATE cxx_std_17)
 
 add_test(NAME element_test COMMAND element_test)
-add_test(NAME parser_test COMMAND parser_test)
+add_test(NAME parser_test COMMAND parser_test WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
 add_test(NAME exportable_test COMMAND exportable_test)
 add_test(NAME document_test COMMAND document_test)
 add_test(NAME buffer_test COMMAND buffer_test)
-
-set_tests_properties(buffer_test PROPERTIES WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/tests)

tests/parser_test.cpp

@@ -1,5 +1,6 @@
 #include <iostream>
 #include <catch2/catch_test_macros.hpp>
+#include <filesystem>
 #include "myxml/parser.hpp"
 #include "myxml/xmlfile.hpp"
 
@@ -224,6 +225,7 @@ TEST_CASE("Parsing simple xml elements", "[parser]")
 
     SECTION("Simple File Buffer")
     {
-        auto doc = myxml::Document::ParseFile("data/example.xml");
+        std::cout << std::filesystem::current_path() << std::endl;
+        auto doc = myxml::Document::ParseFile("tests/data/example.xml");
     }
 }