changed how tests are ran; updated dotenv to handle parsing fields into structs

gui/src/config.odin

@@ -1,18 +1,26 @@
 package main
 
-import "lib:dotenv"
+import "core:os"
+import dotenv "lib:dotenv/src"
 
 Config :: struct {
 	api_url: string,
 }
 
-get_config :: proc() -> (^Config, ^Error) {
+get_config :: proc(env_file: ^string = nil) -> (^Config, ^Error) {
 	env, _ := dotenv.parse_file(".env", context.temp_allocator)
 	defer dotenv.destroy(env)
 
 	c := new(Config)
 
-	c.api_url = dotenv.get_string(env, "API_URL")
+	if env == nil {
+		c.api_url = os.get_env("API_URL", context.temp_allocator)
+	} else if !dotenv.decode(env, c) {
+		err := new(Error)
+		err.type = .Config
+		err.message = "failed to decode .env into Config"
+		return nil, err
+	}
 
 	if err := validate_config(c); err != nil {
 		return nil, err
@@ -26,4 +34,4 @@ validate_config :: proc(c: ^Config) -> ^Error {
 	if c.api_url == "" do err.type = .Config; err.message = "'API_URL' is required"
 
 	return err
-}
+}