test: Add tests for formatter sad paths

tests/test_formatting.py

@@ -6,6 +6,7 @@ from papis_extract.formatter import (
     format_csv,
     format_markdown,
     format_markdown_atx,
+    format_markdown_setext,
 )
 
 an_doc: AnnotatedDocument = AnnotatedDocument(
@@ -15,12 +16,7 @@ an_doc: AnnotatedDocument = AnnotatedDocument(
         Annotation("myfile.pdf", text="my second text", content="with note"),
     ],
 )
-
+md_default_output = """==============   ---------------
-
-def test_markdown_default():
-    fmt = format_markdown
-    assert fmt([an_doc]) == (
-        """==============   ---------------
 document-title - document-author
 ==============   ---------------
 
@@ -28,7 +24,11 @@ document-title - document-author
 
 > my second text
   NOTE: with note"""
-    )
+
+
+def test_markdown_default():
+    fmt = format_markdown
+    assert fmt([an_doc]) == md_default_output
 
 
 def test_markdown_atx():
@@ -43,6 +43,11 @@ def test_markdown_atx():
     )
 
 
+def test_markdown_setext():
+    fmt = format_markdown_setext
+    assert fmt([an_doc]) == md_default_output
+
+
 def test_count_default():
     fmt = format_count
     assert fmt([an_doc]) == ("""document-author - document-title: 2""")
@@ -57,3 +62,19 @@ def test_csv_default():
         'Highlight,,0,"my second text","with note","document-author",'
         '"document-title","","myfile.pdf"'
     )
+
+
+# sadpath - no annotations contained for each format
+def test_markdown_no_annotations():
+    d: AnnotatedDocument = AnnotatedDocument(Document(data={}), [])
+    assert format_markdown([d]) == ""
+
+
+def test_count_no_annotations():
+    d: AnnotatedDocument = AnnotatedDocument(Document(data={}), [])
+    assert format_count([d]) == ""
+
+
+def test_csv_no_annotations():
+    d: AnnotatedDocument = AnnotatedDocument(Document(data={}), [])
+    assert format_csv([d]) == "type,tag,page,quote,note,author,title,ref,file"