override tests to use copy_source for now

tests/s3_tester.c

@@ -2481,7 +2481,31 @@ int aws_test_s3_copy_object_from_x_amz_copy_source(
     };
     test_data.c_var = (struct aws_condition_variable)AWS_CONDITION_VARIABLE_INIT;
     aws_mutex_init(&test_data.mutex);
+    // TODO: separate and fix tests
+    const struct aws_byte_cursor s_slash_char = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("/");
+    struct aws_byte_cursor request_path = x_amz_copy_source;
+    /* Skip optional leading slash. */
+    if (aws_byte_cursor_starts_with(&request_path, &s_slash_char)) {
+        aws_byte_cursor_advance(&request_path, 1);
+    }
+
+    /* From this point forward, the format is {bucket}/{key} - split
+    components.*/
+
+    struct aws_byte_cursor source_bucket = {0};
 
+    if (aws_byte_cursor_next_split(&request_path, '/', &source_bucket)) {
+        aws_byte_cursor_advance(&request_path, source_bucket.len);
+    }
+    char source_url[1024];
+    snprintf(
+        source_url,
+        sizeof(source_url),
+        "https://s3.%s.amazonaws.com/" PRInSTR "" PRInSTR "",
+        g_test_s3_region.ptr,
+        AWS_BYTE_CURSOR_PRI(source_bucket),
+        AWS_BYTE_CURSOR_PRI(request_path));
+    printf("source_url: %s", source_url);
     struct aws_s3_meta_request_options meta_request_options = {
         .user_data = &test_data,
         .body_callback = NULL,
@@ -2492,7 +2516,7 @@ int aws_test_s3_copy_object_from_x_amz_copy_source(
         .shutdown_callback = NULL,
         .signing_config = client_config.signing_config,
         .type = AWS_S3_META_REQUEST_TYPE_COPY_OBJECT,
-    };
+        .copy_source_uri = aws_byte_cursor_from_c_str(source_url)};
 
     if (s3express) {
         meta_request_options.signing_config = &s3express_signing_config;