diff --git a/.gitignore b/.gitignore
index 6969c26..d8b824c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,3 @@ target/
 # downloaded inputs
 /src/inputs/*
 !/src/inputs/.keep
-
-/src/test_inputs/*
-!/src/test_inputs/.keep
diff --git a/src/bin/01.rs b/src/bin/01.rs
index c9cbd71..d30c8f6 100644
--- a/src/bin/01.rs
+++ b/src/bin/01.rs
@@ -1,14 +1,14 @@
 pub fn part_one(input: &str) -> Option<u32> {
     let count = input.matches('(').count() - input.matches(')').count();
-    Some(count.try_into().unwrap())
+    Some(count as u32)
 }
 pub fn part_two(input: &str) -> Option<u32> {
     let mut floor = 0;
-    for (idx, char) in input.chars().enumerate() {
-        match char {
+    for (idx, c) in input.trim().chars().enumerate() {
+        match c {
             '(' => floor += 1,
             ')' => floor -= 1,
-            _ => panic!("oops"),
+            _ => panic!("oops {}", c),
         };
 
         if floor < 0 {
@@ -27,14 +27,12 @@ mod tests {
     use super::*;
     #[test]
     fn test_part_one() {
-        // let input = aoc::read_file("test_inputs", 1);
-        let input = "(()(()(";
+        let input = aoc::read_file("test_inputs", 1);
         assert_eq!(part_one(&input), Some(3));
     }
     #[test]
     fn test_part_two() {
-        // let input = aoc::read_file("test_inputs", 1);
-        let input = "()())";
-        assert_eq!(part_two(&input), Some(5));
+        let input = aoc::read_file("test_inputs", 1);
+        assert_eq!(part_two(&input), Some(11));
     }
 }
diff --git a/src/bin/02.rs b/src/bin/02.rs
index 610099e..a8d0e94 100644
--- a/src/bin/02.rs
+++ b/src/bin/02.rs
@@ -42,14 +42,12 @@ mod tests {
     use super::*;
     #[test]
     fn test_part_one() {
-        // let input = aoc::read_file("test_inputs", 2);
-        let input = "2x3x4";
+        let input = aoc::read_file("test_inputs", 2);
         assert_eq!(part_one(&input), Some(58));
     }
     #[test]
     fn test_part_two() {
-        // let input = aoc::read_file("test_inputs", 2);
-        let input = "2x3x4";
+        let input = aoc::read_file("test_inputs", 2);
         assert_eq!(part_two(&input), Some(34));
     }
 }
diff --git a/src/bin/03.rs b/src/bin/03.rs
index 0924740..d150356 100644
--- a/src/bin/03.rs
+++ b/src/bin/03.rs
@@ -53,14 +53,12 @@ mod tests {
     use super::*;
     #[test]
     fn test_part_one() {
-        // let input = aoc::read_file("test_inputs", 3);
-        let input = "^v^v^v^v^v";
+        let input = aoc::read_file("test_inputs", 3);
         assert_eq!(part_one(&input), Some(2));
     }
     #[test]
     fn test_part_two() {
-        // let input = aoc::read_file("test_inputs", 3);
-        let input = "^v^v^v^v^v";
+        let input = aoc::read_file("test_inputs", 3);
         assert_eq!(part_two(&input), Some(11));
     }
 }
diff --git a/src/bin/04.rs b/src/bin/04.rs
index 52a2bda..fe7f775 100644
--- a/src/bin/04.rs
+++ b/src/bin/04.rs
@@ -44,14 +44,12 @@ mod tests {
     use super::*;
     #[test]
     fn test_part_one() {
-        // let input = aoc::read_file("test_inputs", 4);
-        let input = "abcdef";
+        let input = aoc::read_file("test_inputs", 4);
         assert_eq!(part_one(&input), Some(609043));
     }
     #[test]
     fn test_part_two() {
-        // let input = aoc::read_file("test_inputs", 4);
-        // let input = "abcdef";
-        // assert_eq!(part_two(&input), None);
+        let input = aoc::read_file("test_inputs", 4);
+        assert_eq!(part_two(&input), Some(6742839));
     }
 }
diff --git a/src/bin/05.rs b/src/bin/05.rs
index 58092bd..5b9a8c6 100644
--- a/src/bin/05.rs
+++ b/src/bin/05.rs
@@ -64,15 +64,12 @@ mod tests {
     use super::*;
     #[test]
     fn test_part_one() {
-        // let input = aoc::read_file("test_inputs", 5);
-        let input = "aaa";
+        let input = aoc::read_file("test_inputs", 5);
         assert_eq!(part_one(&input), Some(1));
     }
     #[test]
     fn test_part_two() {
-        // let input = aoc::read_file("test_inputs", 5);
-        let input =
-            "qjhvhtzxzqqjkmpb\nxxyxx\nuurcxstgmygtbstg\nieodomkazucvgmuy\naaa";
+        let input = aoc::read_file("test_inputs", 5);
         assert_eq!(part_two(&input), Some(2));
     }
 }
diff --git a/src/test_inputs/01.txt b/src/test_inputs/01.txt
new file mode 100644
index 000000000..db6e957
--- /dev/null
+++ b/src/test_inputs/01.txt
@@ -0,0 +1 @@
+(()(()())))((((
diff --git a/src/test_inputs/02.txt b/src/test_inputs/02.txt
new file mode 100644
index 000000000..5256b38
--- /dev/null
+++ b/src/test_inputs/02.txt
@@ -0,0 +1 @@
+2x3x4
diff --git a/src/test_inputs/03.txt b/src/test_inputs/03.txt
new file mode 100644
index 000000000..8a6e322
--- /dev/null
+++ b/src/test_inputs/03.txt
@@ -0,0 +1 @@
+^v^v^v^v^v
diff --git a/src/test_inputs/04.txt b/src/test_inputs/04.txt
new file mode 100644
index 000000000..0373d93
--- /dev/null
+++ b/src/test_inputs/04.txt
@@ -0,0 +1 @@
+abcdef
diff --git a/src/test_inputs/05.txt b/src/test_inputs/05.txt
new file mode 100644
index 000000000..a91e7c2
--- /dev/null
+++ b/src/test_inputs/05.txt
@@ -0,0 +1,5 @@
+qjhvhtzxzqqjkmpb
+xxyxx
+uurcxstgmygtbstg
+ieodomkazucvgmuy
+aaa