text: import os
  
  import pytest
  
  from cson_to_markdown import __version__
  from cson_to_markdown.extractor import Extractor, MarkdownBoundsNotFound
  from cson_to_markdown.file_converter import FileConverter
  from cson_to_markdown.writer import Writer
  
  
  def test_version():
      assert __version__ == "0.1.0"
  
  
  @pytest.fixture
  def metadata_content():
      metadata_start = [
          "This line is metadata",
          "so is this line.",
          " this will not trigger first boundary ---:",
          "---: neither will this",
          "---:",
      ]
      metadata_end = [
          ":---",
          "this line marks end of markdown and will not be shown again!",
          "This is yet again metadata",
          "T:  ZIS IS ze TIT_EL!!_WHICH_will_get_formaTTTErd",
          ":--- noone cares about this boundary",
      ]
  
      return metadata_start, metadata_end
  
  
  @pytest.fixture
  def markdown_content():
      markdown = [
          "This is markdown",
          "so is this",
          "---:",
          "I can put a first boundary in this one w/out being triggered",
          "and even an end boundary :---",
      ]
  
      return markdown
  
  
  class TestExtractor:
      def test_it_extracts_content_between_boundaries(
          self, monkeypatch, metadata_content, markdown_content
      ):
          monkeypatch.setenv("MARKDOWN_START", "---:")
          monkeypatch.setenv("MARKDOWN_END", ":---")
  
          markdown = markdown_content
          metadata_start, metadata_end = metadata_content
  
          expected_markdown = markdown
          expected_metadata = metadata_start[:-1] + metadata_end[1:]
  
          extr = Extractor(metadata_start + markdown + metadata_end)
          actual_markdown = extr.extract_markdown()
          actual_metadata = extr.extract_metadata()
  
          assert expected_markdown == actual_markdown
          assert expected_metadata == actual_metadata
  
      def test_it_gets_and_formats_title_from_the_content(
          self, monkeypatch, metadata_content
      ):
          monkeypatch.setenv("TITLE_INDICATOR", "T:  ")
  
          _, content = metadata_content
  
          expected_title = "zis_is_ze_tit_el!!_which_will_get_formattterd"
  
          extr = Extractor(content)
          actual_title = extr.get_filename()
  
          assert expected_title == actual_title
  
      def test_it_raises_when_marker_cannot_be_found(
          self, monkeypatch, metadata_content, markdown_content
      ):
          monkeypatch.setenv("MARKDOWN_START", "---!")
          monkeypatch.setenv("MARKDOWN_END", "!---")
  
          markdown = markdown_content
          metadata_start, metadata_end = metadata_content
  
          extr = Extractor(metadata_start + markdown + metadata_end)
          with pytest.raises(MarkdownBoundsNotFound):
              extr.extract_markdown()
  
          with pytest.raises(MarkdownBoundsNotFound):
              extr.extract_metadata()
  
  
  class TestWriter:
      def test_it_creates_path_if_not_pressent(self, monkeypatch, tmpdir):
          new_dir = "meta"
          new_path = os.path.join(tmpdir, new_dir)
          fname = "new_file.txt"
          content = ["Henlo", "!!"]
  
          assert not os.path.exists(new_path)
  
          writer = Writer(fname, new_path, content)
          writer.write()
  
          assert os.path.exists(new_path)
          with open(os.path.join(new_path, fname)) as f:
              assert f.read() == f"{content[0]}\n{content[1]}"
  
  
  class TestFileConverter:
      def test_it_walks_files_and_handles_content(
          self, monkeypatch, tmpdir, metadata_content, markdown_content
      ):
          monkeypatch.setenv("TITLE_INDICATOR", "Title:  ")
          monkeypatch.setenv("MARKDOWN_START", "---:")
          monkeypatch.setenv("MARKDOWN_END", ":---")
  
          og_path = tmpdir
          new_path = os.path.join(tmpdir, "MARKDOWN_FILES")
  
          meta_start, meta_end = metadata_content
          markdown_content = markdown_content
          content = "\n".join(meta_start + markdown_content + meta_end)
  
          for i in range(5):
              file = og_path.join(f"file_{i}.cson")
              file.write(f"{content}\nTitle:  new_title {i}")
  
          converter = FileConverter(og_path, new_path)
          converter.convert()
  
          new_files = [
              i
              for i in os.listdir(new_path)
              if not os.path.isdir(os.path.join(new_path, i))
          ]
  
          assert len(new_files) == 5
          assert new_files[0][-3:] == ".md"
  
      def test_it_skips_when_markers_not_found(
          self, monkeypatch, tmpdir, metadata_content, markdown_content
      ):
          monkeypatch.setenv("TITLE_INDICATOR", "Title:  ")
          monkeypatch.setenv("MARKDOWN_START", "---!")
          monkeypatch.setenv("MARKDOWN_END", "!---")
  
          og_path = tmpdir
          new_path = os.path.join(tmpdir, "MARKDOWN_FILES")
          content = "---!\nSomething with the markers.\n!---"
  
          for i in range(2):
              file = og_path.join(f"file_with_{i}.cson")
              file.write(f"{content}\nTitle:  new_title {i}")
  
          content = "Something without the markers."
  
          for i in range(2):
              file = og_path.join(f"file_without_{i}.cson")
              file.write(f"{content}\nTitle:  new_title {i}")
  
          converter = FileConverter(og_path, new_path)
          converter.convert()
  
          new_files = [
              i
              for i in os.listdir(new_path)
              if not os.path.isdir(os.path.join(new_path, i))
          ]
  
          assert len(new_files) == 2
  
      def test_it_skips_when_content_is_empty(
          self, monkeypatch, tmpdir, metadata_content, markdown_content
      ):
          monkeypatch.setenv("TITLE_INDICATOR", "Title:  ")
          monkeypatch.setenv("MARKDOWN_START", "---!")
          monkeypatch.setenv("MARKDOWN_END", "!---")
  
          og_path = tmpdir
          new_path = os.path.join(tmpdir, "MARKDOWN_FILES")
          content = "---!\nSomething with content markers.\n!---"
  
          for i in range(2):
              file = og_path.join(f"file_with_{i}.cson")
              file.write(f"{content}\nTitle:  new_title {i}")
  
          content = "---!\n!---"
  
          for i in range(2):
              file = og_path.join(f"file_without_{i}.cson")
              file.write(f"{content}\nTitle:  new_title {i}")
  
          converter = FileConverter(og_path, new_path)
          converter.convert()
  
          new_files = [
              i
              for i in os.listdir(new_path)
              if not os.path.isdir(os.path.join(new_path, i))
          ]
  
          assert len(new_files) == 2
  