diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..f84c162
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,31 @@
+*           text=auto
+
+# These files are text and should be normalized (convert crlf to lf)
+*.rb        text
+*.test      text
+*.c         text
+*.cpp       text
+*.h         text
+*.txt       text
+*.yml       text
+*.s79       text
+*.bat       text
+*.xcl       text
+*.inc       text
+*.info      text
+*.md        text
+makefile    text
+rakefile    text
+meson.build text
+
+
+#These files are binary and should not be normalized
+*.doc       binary
+*.odt       binary
+*.pdf       binary
+*.ewd       binary
+*.eww       binary
+*.dni       binary
+*.wsdt      binary
+*.dbgdt     binary
+*.mac       binary
diff --git a/.github/workflows/build_ubuntu.yml b/.github/workflows/build_ubuntu.yml
new file mode 100644
index 0000000..ea8006f
--- /dev/null
+++ b/.github/workflows/build_ubuntu.yml
@@ -0,0 +1,17 @@
+name: Ubuntu unit tests
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Install packages
+        run: sudo apt-get update && sudo apt install -y build-essential qttools5-dev-tools ccache libncursesw5-dev libreadline-dev
+
+      - name: Build lib and run unit tests using Unity test framework
+        run: cd test && qmake hstr-unit-tests.pro && make clean all && ./hstr-unit-tests
diff --git a/src/hstr_history.c b/src/hstr_history.c
index a0bcc86..57bb534 100644
--- a/src/hstr_history.c
+++ b/src/hstr_history.c
@@ -137,9 +137,11 @@ char* parse_history_line(char *l)
         }
     }
 
+#ifndef HSTR_TESTS_UNIT
     if (isZsh) {
         l = zsh_unmetafy(l, NULL);
     }
+#endif
 
     return l;
 }
diff --git a/test/src/test.c b/test/src/test.c
index 77f2c5d..4e35f77 100644
--- a/test/src/test.c
+++ b/test/src/test.c
@@ -35,19 +35,23 @@
 
 /*
  * IMPORTANT: make sure to run TEST RUNNER GENERATOR script after any change to this file!
- *
  */
 
 void setUp(void)
 {
+    // code to be run before this test suite
 }
 
 void tearDown(void)
 {
+    // code to be after this test suite
 }
 
 void test_args(void)
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
+    // GIVEN
     const unsigned  LINELNG = 500;
     int argc = 3;
     char* argv[argc];
@@ -55,6 +59,7 @@ void test_args(void)
     argv[1] = "-o";
     argv[2] = "_args";
 
+    // WHEN
     if(argc>0) {
         int i;
         char line[LINELNG];
@@ -72,6 +77,7 @@ void test_args(void)
             strcat(line, " ");
         }
 
+        // THEN
         printf("#%s#\n", line);
         TEST_ASSERT_EQUAL_STRING("hstr -o _args ", line);
     } else {
@@ -81,6 +87,9 @@ void test_args(void)
 
 void test_getopt(void)
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
+    // GIVEN
     int argc = 3;
     char* argv[argc];
     argv[0] = "hstr";
@@ -164,6 +173,8 @@ void test_getopt(void)
 
 void test_locate_char_in_string_overflow(void)
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
     TEST_ASSERT_EQUAL_STRING(0, strchr("a\nb",1));
 
     printf("%s\n",strchr("a\nb",98));
@@ -175,6 +186,8 @@ void test_locate_char_in_string_overflow(void)
 
 void test_favorites(void)
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
     FavoriteItems favoriteItems;
 
     favorites_init(&favoriteItems);
@@ -199,6 +212,8 @@ void test_favorites(void)
 
 void test_hashset_blacklist()
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
     const char* commandBlacklist[] = { "a","b","c","d","e" };
     HashSet blacklist;
     int i;
@@ -214,6 +229,8 @@ void test_hashset_blacklist()
 
 void test_hashset_get_keys()
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
     const char* commandBlacklist[] = { "a","b","c","d","e" };
     HashSet blacklist;
     int i;
@@ -235,6 +252,8 @@ void test_hashset_get_keys()
 
 void test_regexp(void)
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
     unsigned REGEXP_MATCH_BUFFER_SIZE = 10;
 
     bool caseSensitive=false;
@@ -275,6 +294,8 @@ void test_regexp(void)
 
 void test_help_long(void)
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
     TEST_IGNORE_MESSAGE("Tests exits the program");
 
     char* ARG_HSTR = "hstr";
@@ -291,6 +312,8 @@ void test_help_long(void)
 
 void test_help_short(void)
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
     TEST_IGNORE_MESSAGE("Tests exits the program");
 
     char* ARG_HSTR = "hstr";
@@ -307,6 +330,8 @@ void test_help_short(void)
 
 void test_string_elide()
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
     char buffer[1000];
 
     // do nothing - string fits to screen
@@ -339,6 +364,8 @@ void test_string_elide()
 
 void test_parse_history_line()
 {
+    printf("\n= %s ========================================\n", __FUNCTION__);
+
     TEST_ASSERT_EQUAL(NULL, parse_history_line(NULL));
 
     TEST_ASSERT_EQUAL_STRING("ls", parse_history_line("ls"));