add test for json file reading

tests/common/mod.rs

@@ -0,0 +1,18 @@
+use std::{
+    fs,
+    path::{Path, PathBuf},
+};
+
+pub fn setup() {
+    // some setup code, like creating required files/directories, starting
+    // servers, etc.
+    let crate_dir = PathBuf::new().join(env!("CARGO_MANIFEST_DIR"));
+    let tests_dir = crate_dir.join("tests");
+    let samples_dir = tests_dir.join("samples");
+}
+
+pub fn get_samples_dir() -> String {
+    let crate_dir = PathBuf::new().join(env!("CARGO_MANIFEST_DIR"));
+    let tests_dir = crate_dir.join("tests");
+    tests_dir.join("samples").to_string_lossy().to_string()
+}

tests/test.rs

@@ -1,4 +1,7 @@
-use hmm_rs::commands::*;
+use std::path::{Path, PathBuf};
+
+use hmm_rs::{commands::*, hmm};
+mod common;
 
 #[test]
 fn test_create_and_clean_haxelib_folder() {
@@ -7,3 +10,10 @@ fn test_create_and_clean_haxelib_folder() {
     assert!(init_command::create_haxelib_folder().is_err());
     assert!(clean_command::remove_haxelib_folder().is_ok());
 }
+
+#[test]
+fn test_hmm_json_read() {
+    // common::setup();
+    let flixel_json = format!("{}/flixel.json", common::get_samples_dir());
+    assert!(hmm::json::read_json(flixel_json.as_str()).is_ok());
+}