diff --git a/compiler/erg_parser/tests/parse_test.rs b/compiler/erg_parser/tests/parse_test.rs
new file mode 100644
index 00000000..36c439ad
--- /dev/null
+++ b/compiler/erg_parser/tests/parse_test.rs
@@ -0,0 +1,63 @@
+use erg_common::config::{ErgConfig, Input};
+use erg_common::error::MultiErrorDisplay;
+use erg_common::traits::Runnable;
+
+use erg_parser::error::ParserRunnerErrors;
+use erg_parser::lex::Lexer;
+use erg_parser::ParserRunner;
+
+#[test]
+fn parse_dependent() -> Result<(), ParserRunnerErrors> {
+    parse_test_from_code("tests/dependent.er")
+}
+
+#[test]
+fn parse_fib() -> Result<(), ParserRunnerErrors> {
+    parse_test_from_code("tests/fib.er")
+}
+
+#[test]
+fn parse_hello_world() -> Result<(), ParserRunnerErrors> {
+    parse_test_from_code("tests/hello_world.er")
+}
+
+#[test]
+fn parse_simple_if() -> Result<(), ParserRunnerErrors> {
+    parse_test_from_code("tests/simple_if.er")
+}
+
+#[test]
+fn parse_stack() -> Result<(), ParserRunnerErrors> {
+    parse_test_from_code("tests/stack.er")
+}
+
+#[test]
+fn parse_test1_basic_syntax() -> Result<(), ParserRunnerErrors> {
+    parse_test_from_code("tests/test1_basic_syntax.er")
+}
+
+#[test]
+fn parse_test2_advanced_syntax() -> Result<(), ParserRunnerErrors> {
+    parse_test_from_code("tests/test2_advanced_syntax.er")
+}
+
+fn parse_test_from_code(file_path: &'static str) -> Result<(), ParserRunnerErrors> {
+    let input = Input::File(file_path.into());
+    let cfg = ErgConfig::new("exec", 1, false, None, 100, input.clone(), "<module>", 2);
+    let lexer = Lexer::new(input.clone());
+    let mut parser = ParserRunner::new(cfg);
+    match parser.parse_token_stream(
+        lexer
+            .lex()
+            .map_err(|errs| ParserRunnerErrors::convert(&input, errs))?,
+    ) {
+        Ok(module) => {
+            println!("{module}");
+            Ok(())
+        }
+        Err(e) => {
+            e.fmt_all_stderr();
+            Err(e)
+        }
+    }
+}
diff --git a/compiler/erg_parser/tests/simple_if.er b/compiler/erg_parser/tests/simple_if.er
new file mode 100644
index 00000000..3a4c28c9
--- /dev/null
+++ b/compiler/erg_parser/tests/simple_if.er
@@ -0,0 +1,20 @@
+result = if Bool.sample():
+    0
+    1
+print! result
+
+if True, () -> log "hello"
+
+if! False, () => print! "hello"
+
+if! True:
+    () => print! "hello"
+    () => print! "world"
+
+print! if False:
+    () -> "a"
+    () -> "b"
+
+print!(if(True, () -> "a", () -> "b"))
+
+# TODO: do/do!
diff --git a/compiler/erg_parser/tests/test.rs b/compiler/erg_parser/tests/test.rs
index 60d6fb76..cc4ea870 100644
--- a/compiler/erg_parser/tests/test.rs
+++ b/compiler/erg_parser/tests/test.rs
@@ -1,28 +1,21 @@
-extern crate erg_common;
-extern crate erg_parser;
+use std::iter::Iterator;
 
-mod tests {
-    use std::iter::Iterator;
+use erg_common::config::Input;
 
-    use erg_common::config::{ErgConfig, Input};
-    use erg_common::error::MultiErrorDisplay;
-    use erg_common::traits::Runnable;
+// use erg_compiler::parser;
 
-    // use erg_compiler::parser;
+use erg_parser::error::ParseResult;
+use erg_parser::lex::{Lexer};
+use erg_parser::token::*;
+use TokenKind::*;
 
-    use erg_parser::error::*;
-    use erg_parser::lex::Lexer;
-    use erg_parser::token::*;
-    use erg_parser::ParserRunner;
-    use TokenKind::*;
+const FILE1: &str = "tests/test1_basic_syntax.er";
 
-    const FILE1: &str = "src/compiler/parser/tests/test1_basic_syntax.er";
-
-    #[test]
-    fn test_lexer() -> ParseResult<()> {
-        let mut lexer = Lexer::new(Input::File(FILE1.into()));
-        let newline = "\n";
-        let /*mut*/ token_array = vec![
+#[test]
+fn test_lexer() -> ParseResult<()> {
+    let mut lexer = Lexer::new(Input::File(FILE1.into()));
+    let newline = "\n";
+    let /*mut*/ token_array = vec![
             (Symbol, "_a"),
             (Equal, "="),
             (IntLit, "1234"),
@@ -108,41 +101,18 @@ mod tests {
             (EOF, "EOF"),
         ];
 
-        let mut tok: Token;
-        for i in token_array.into_iter() {
-            tok = lexer.next().unwrap().unwrap();
-            assert_eq!(tok, Token::from_str(i.0, i.1));
-            println!("{tok}");
-        }
-        Ok(())
-    }
-
-    #[test]
-    fn tesop_te_prec() {
-        assert_eq!(Mod.precedence(), Some(160));
-        assert_eq!(LParen.precedence(), Some(0));
-        assert_eq!(Illegal.precedence(), None);
-    }
-
-    #[test]
-    fn test_parser1() -> Result<(), ParserRunnerErrors> {
-        let input = Input::File(FILE1.into());
-        let cfg = ErgConfig::new("exec", 1, false, None, 100, input.clone(), "<module>", 2);
-        let lexer = Lexer::new(input.clone());
-        let mut parser = ParserRunner::new(cfg);
-        match parser.parse_token_stream(
-            lexer
-                .lex()
-                .map_err(|errs| ParserRunnerErrors::convert(&input, errs))?,
-        ) {
-            Ok(module) => {
-                println!("{module}");
-                Ok(())
-            }
-            Err(e) => {
-                e.fmt_all_stderr();
-                Err(e)
-            }
-        }
+    let mut tok: Token;
+    for i in token_array.into_iter() {
+        tok = lexer.next().unwrap().unwrap();
+        assert_eq!(tok, Token::from_str(i.0, i.1));
+        println!("{tok}");
     }
+    Ok(())
+}
+
+#[test]
+fn tesop_te_prec() {
+    assert_eq!(Mod.precedence(), Some(160));
+    assert_eq!(LParen.precedence(), Some(0));
+    assert_eq!(Illegal.precedence(), None);
 }