old_contents: """Tests for trigrams.py moduel."""
  
  
  test_string = "I wish I may I wish I might"
  
  
  test_list = ["I", "wish", "I", "may", "I", "wish", "I", "might"]
  
  test_biograms = ["I wish", "wish I", "I may", "may I", "I \
  wish", "wish I", "I might"]
  
  test_dict = {
      "I wish": [],
      "I may": [],
      "may I": [],
      "wish I": [],
      "I might": []
  }
  
  seed = 'I wish'
  
  
  
  def test_make_list():
      """Test whether function makes list."""
      from trigrams import make_baselist, sentence
      new_list = make_baselist(sentence)
      assert type(new_list) == list
  
  
  def test_make_bigrams():
      """Test whether function makes bigram."""
      from trigrams import make_bigram
      new_bigram = make_bigram(test_list)
      assert len(new_bigram[1].split()) == 2
  
  
  def test_all_bigrams():
      """Test whether all indexes of bigram list are bigrams."""
      from trigrams import make_bigram
      new_bigram = make_bigram(test_list)
      result = True
      for item in new_bigram:
          if len(item.split()) != 2:
              result = False
              break
      assert result
  
  
  def test_make_dict():
      """Test whether dictionary is returned from make dict function."""
      from trigrams import make_dict
      assert type(make_dict(test_biograms)) == dict
  
  
  def test_dict_keys():
      """Test whether dictionary contains all biograms as keys."""
      from trigrams import make_dict
      result = True
      dict_ex = make_dict(test_biograms)
      for n in test_biograms:
          if n not in dict_ex:
              result = False
              break
      assert result
  
  
  def test_dict_values():
      """Test whether dictionary contains values create trigrams."""
      from trigrams import populate_dict
      result = populate_dict(test_dict, test_biograms, test_list)
      assert len(result.values()) > 0
  
  
  def test_string_existence():
      """Test if the string containing the to be written text exists."""
      from trigrams import start_output
      result = start_output(test_biograms)
      assert type(result) == str
  
  
  def test_output_string():
      """Test if the first 2 words of output is a key dictionary."""
      from trigrams import start_output
      result = start_output(test_biograms)
      assert result in test_biograms
  
  def test_output_member_of_list():
      """Test if the word following a dict member is also a member of this keys list"""
      from trigrams import add_output
      result = add_output(test_dict, seed)
      output = result.split()
      test_key = output[-3] + " " + output[-2]
      test_value = output[-1]
      assert test_value in test_dict[test_key]
  
  def test_output_string_length():
      """Test if the length of the string equals n - 2."""
      from trigrams import add_output
      result = add_output(test_dict, seed, n)
      split_up = result.split()
      assert len(split_up) == n
  
new_contents: """Tests for trigrams.py moduel."""
  
  
  test_string = "I wish I may I wish I might"
  
  
  test_list = ["I", "wish", "I", "may", "I", "wish", "I", "might"]
  
  test_biograms = ["I wish", "wish I", "I may", "may I", "I \
  wish", "wish I", "I might"]
  
  test_dict = {
      "I wish": [],
      "I may": [],
      "may I": [],
      "wish I": [],
      "I might": []
  }
  
  seed = 'I wish'
  
  n = 6
  
  
  
  def test_make_list():
      """Test whether function makes list."""
      from trigrams import make_baselist, sentence
      new_list = make_baselist(sentence)
      assert type(new_list) == list
  
  
  def test_make_bigrams():
      """Test whether function makes bigram."""
      from trigrams import make_bigram
      new_bigram = make_bigram(test_list)
      assert len(new_bigram[1].split()) == 2
  
  
  def test_all_bigrams():
      """Test whether all indexes of bigram list are bigrams."""
      from trigrams import make_bigram
      new_bigram = make_bigram(test_list)
      result = True
      for item in new_bigram:
          if len(item.split()) != 2:
              result = False
              break
      assert result
  
  
  def test_make_dict():
      """Test whether dictionary is returned from make dict function."""
      from trigrams import make_dict
      assert type(make_dict(test_biograms)) == dict
  
  
  def test_dict_keys():
      """Test whether dictionary contains all biograms as keys."""
      from trigrams import make_dict
      result = True
      dict_ex = make_dict(test_biograms)
      for n in test_biograms:
          if n not in dict_ex:
              result = False
              break
      assert result
  
  
  def test_dict_values():
      """Test whether dictionary contains values create trigrams."""
      from trigrams import populate_dict
      result = populate_dict(test_dict, test_biograms, test_list)
      assert len(result.values()) > 0
  
  
  def test_string_existence():
      """Test if the string containing the to be written text exists."""
      from trigrams import start_output
      result = start_output(test_biograms)
      assert type(result) == str
  
  
  def test_output_string():
      """Test if the first 2 words of output is a key dictionary."""
      from trigrams import start_output
      result = start_output(test_biograms)
      assert result in test_biograms
  
  def test_output_member_of_list():
      """Test if the word following a dict member is also a member of this keys list"""
      from trigrams import add_output
      result = add_output(test_dict, seed, n)
      output = result.split()
      test_key = output[-3] + " " + output[-2]
      test_value = output[-1]
      assert test_value in test_dict[test_key]
  
  def test_output_string_length():
      """Test if the length of the string equals n - 2."""
      from trigrams import add_output
      result = add_output(test_dict, seed, n)
      split_up = result.split()
      assert len(split_up) == n
  
subject: add n to member of list