old_contents: """Unit tests configuration file."""
  import pickle
  
  import numpy as np
  import pytest
  from sklearn import linear_model, tree, svm
  
  from cf_predict import create_app
  
  
  def pytest_configure(config):
      """Disable verbose output when running tests."""
      terminal = config.pluginmanager.getplugin('terminal')
      base = terminal.TerminalReporter
  
      class QuietReporter(base):
          """A py.test reporting that only shows dots when running tests."""
  
          def __init__(self, *args, **kwargs):
              super().__init__(*args, **kwargs)
              self.verbosity = 0
              self.showlongtestinfo = False
              self.showfspath = False
  
      terminal.TerminalReporter = QuietReporter
  
  
  @pytest.fixture
  def app(monkeypatch):
      """Create a Flask test client."""
      monkeypatch.setattr("cf_predict.resources.get_db", models)
      app = create_app("unit_testing")
      return app
  
  
  def models():
      """Create some sample machine learning models."""
      X = np.random.random_sample((20, 5))
      y = np.random.random_sample(20)
      lm = linear_model.LinearRegression()
      dt = tree.DecisionTreeRegressor()
      svr = svm.SVR()
      lm.fit(X, y)
      dt.fit(X, y)
      svr.fit(X, y)
      return {"1.0.0": pickle.dumps(lm),
              "1.1.0": pickle.dumps(dt),
              "1.2.0": pickle.dumps(svr)}
  
new_contents: """Unit tests configuration file."""
  import pickle
  
  import numpy as np
  import pytest
  from sklearn import linear_model, tree, svm
  from mockredis import MockRedis
  
  from cf_predict import create_app
  
  
  def pytest_configure(config):
      """Disable verbose output when running tests."""
      terminal = config.pluginmanager.getplugin('terminal')
      base = terminal.TerminalReporter
  
      class QuietReporter(base):
          """A py.test reporting that only shows dots when running tests."""
  
          def __init__(self, *args, **kwargs):
              super().__init__(*args, **kwargs)
              self.verbosity = 0
              self.showlongtestinfo = False
              self.showfspath = False
  
      terminal.TerminalReporter = QuietReporter
  
  
  @pytest.fixture
  def app(monkeypatch):
      """Create a Flask test client."""
      monkeypatch.setattr("cf_predict.resources.get_db", models)
      app = create_app("unit_testing")
      return app
  
  
  def models():
      """Create some sample machine learning models."""
      rng = np.random.RandomState(42)
      X = rng.random_sample((20, 5))
      y = rng.random_sample(20)
      lm = linear_model.LinearRegression()
      dt = tree.DecisionTreeRegressor()
      svr = svm.SVR()
      lm.fit(X, y)
      dt.fit(X, y)
      svr.fit(X, y)
      r = MockRedis()
      r.set("1.0.0", pickle.dumps(lm))
      r.set("1.1.0", pickle.dumps(dt))
      r.set("1.2.0", pickle.dumps(svr))
      return r
  
subject: Use MockRedis instead of dict to mock redis in unit tests