Update zip test

Author: adazem009

test/zip/CMakeLists.txt

@@ -5,6 +5,7 @@ add_executable(
 
 target_link_libraries(
   zip_test
+  scratchcpp
   GTest::gtest_main
   zip
 )

test/zip/zip_test.cpp

@@ -1,34 +1,19 @@
-#include <gtest/gtest.h>
-#include <zip.h>
-#include <filesystem>
+#include <internal/zipreader.h>
 #include "../common.h"
 
-std::string readSb3Json(const std::string &fileName)
+using namespace libscratchcpp;
+
+inline std::string readSb3Json(const std::string &fileName)
+{
+    ZipReader reader(fileName);
+    reader.open();
+
+    return reader.readFileToString(fileName);
+}
+
+TEST(ZipTest, NonexistentProject)
 {
-    // TODO: Move this to a class and use it in Scratch3Reader
-    // Open the zip file
-    unsigned char *buf;
-    size_t bufsize;
-    struct zip_t *zip = zip_open(fileName.c_str(), 0, 'r');
-
-    // Extract project.json
-    zip_entry_open(zip, "project.json");
-    bufsize = zip_entry_size(zip);
-    buf = (unsigned char *)calloc(sizeof(unsigned char), bufsize);
-    zip_entry_noallocread(zip, (void *)buf, bufsize);
-    zip_entry_close(zip);
-    std::string str(reinterpret_cast<char const *>(buf));
-    free(buf);
-
-    // Remove garbage after the JSON
-    int end;
-    for (end = str.size(); end >= 0; end--) {
-        char ch = str[end];
-        if (ch == '}') {
-            break;
-        }
-    }
-    return str.substr(0, end + 1);
+    ASSERT_TRUE(readSb3Json("idontexist.sb3").empty());
 }
 
 TEST(ZipTest, EmptyProject)