diff --git a/tests/test_html.py b/tests/test_html.py
index 23e6bb1..5ccd6a7 100644
--- a/tests/test_html.py
+++ b/tests/test_html.py
@@ -8,21 +8,29 @@ from eorg.parser import parse_text
 
 def test_emphasis():
     text = "parse emphasis *bold text* _underlined text_ /italic text/ normal text"
-    expected = [Token(token='TEXT', value='parse emphasis ' ), Token(token='B', value='bold text'), Token(token='TEXT', value=' ' ), Token(token='U', value='underlined text'), Token(token='TEXT', value=' ' ), Token(token='I', value='italic text'), Token('TEXT', ' normal text')]
+    expected = [
+        Token(token="TEXT", value="parse emphasis "),
+        Token(token="B", value="bold text"),
+        Token(token="TEXT", value=" "),
+        Token(token="U", value="underlined text"),
+        Token(token="TEXT", value=" "),
+        Token(token="I", value="italic text"),
+        Token("TEXT", " normal text"),
+    ]
     result = parse_text(text)
-    assert result[0].token == 'TEXT'
+    assert result[0].token == "TEXT"
     assert expected[0].value == result[0].value
-    assert result[1].token == 'B'
+    assert result[1].token == "B"
     assert expected[1].value == result[1].value
-    assert result[2].token == 'TEXT'
+    assert result[2].token == "TEXT"
     assert expected[2].value == result[2].value
-    assert result[3].token == 'U'
+    assert result[3].token == "U"
     assert expected[3].value == result[3].value
-    assert result[4].token == 'TEXT'
+    assert result[4].token == "TEXT"
     assert expected[4].value == result[4].value
-    assert result[5].token == 'I'
+    assert result[5].token == "I"
     assert expected[5].value == result[5].value
-    assert result[6].token == 'TEXT'
+    assert result[6].token == "TEXT"
     assert expected[6].value == result[6].value
 
 
@@ -39,23 +47,58 @@ def test_image():
     assert result[2].value == expected[2].value
 
 
+def test_link():
+    text = "parse link [[../../test.html][test]] after link"
+    expected = [
+        Token("TEXT", "parse link "),
+        Token("IMG", ["../../test.html", "test"]),
+        Token("TEXT", " after link"),
+    ]
+    result = parse_text(text)
+    assert result[0].value == expected[0].value
+    assert result[1].value == expected[1].value
+    assert result[2].value == expected[2].value
+
 
 def test_example():
     text = StringIO(
-    """
+        """
 #+BEGIN_EXAMPLE
 *I'm bold text*
 /I'm italic text/
 _I'm underlined text_
-#+END_EXAMPLE""")
+#+END_EXAMPLE"""
+    )
 
     expected = [
         Token("BREAK", ""),
-        Token("EXAMPLE", """*I'm bold text*
+        Token(
+            "EXAMPLE",
+            """*I'm bold text*
 /I'm italic text/
 _I'm underlined text_
-"""),
+""",
+        ),
     ]
     result = parse(text).doc
     assert result[0].value == expected[0].value
     assert result[1].value == expected[1].value
+
+
+def test_src_block():
+    text = StringIO(
+        """
+#+BEGIN_SRC sh :results output drawer
+head -n 5 examples/html-plain/example.py
+#+END_SRC"""
+    )
+
+    expected = [
+        Token("BREAK", ""),
+        Token("SRC", """head -n 5 examples/html-plain/example.py\n"""),
+    ]
+    result = parse(text).doc
+    print(result)
+    assert result[0].value == expected[0].value
+    assert result[1].attrs.get('language') == 'sh'
+    assert result[1].value == expected[1].value
diff --git a/tests/test_regex.py b/tests/test_regex.py
index c80a160..2fd238b 100644
--- a/tests/test_regex.py
+++ b/tests/test_regex.py
@@ -17,3 +17,21 @@ def test_example():
     match = re.search(rx, text)
     assert match is not None
 
+
+
+def test_source():
+    # invalid if no language specified
+    text="#+BEGIN_SRC"
+    rx = const.t_SRC_BEGIN
+    match = re.search(rx, text)
+    assert match is None
+
+    text="#+BEGIN_SRC "
+    rx = const.t_SRC_BEGIN
+    match = re.search(rx, text)
+    assert match is not None
+
+    text="#+BEGIN_SRC sh :results silent"
+    rx = const.t_SRC_BEGIN
+    match = re.search(rx, text)
+    assert match is not None