#!/usr/bin/env python3
"""Test for ee._helpers.

When the function in question is defined in ee/_helpers.py but exported for
public use by ee/__init__.py, the test is located here but uses the ee.-prefixed
name since that is the name we want to ensure works.
"""

import io

import ee
from ee import _helpers
from ee import apifunction
from ee import apitestcase
from ee import computedobject
import unittest


class ProfilingTest(apitestcase.ApiTestCase):

  def MockValue(self, value):
    """Overridden to check for profiling-related data."""
    hooked = ee.data._thread_locals.profile_hook is not None
    is_get_profiles = isinstance(
        value, computedobject.ComputedObject
    ) and value.func == apifunction.ApiFunction.lookup('Profile.getProfiles')
    return 'hooked=%s getProfiles=%s' % (hooked, is_get_profiles)

  def testProfilePrinting(self):
    ee.data.computeValue = self.MockValue
    out = io.StringIO()
    with ee.profilePrinting(destination=out):
      self.assertEqual('hooked=True getProfiles=False', ee.Number(1).getInfo())
    self.assertEqual('hooked=False getProfiles=True', out.getvalue())

  def testProfilePrintingDefaultSmoke(self):
    # This will print to sys.stderr, so we can't make any assertions about the
    # output. But we can check that it doesn't fail.
    ee.data.computeValue = self.MockValue
    with ee.profilePrinting():
      self.assertEqual('hooked=True getProfiles=False', ee.Number(1).getInfo())


if __name__ == '__main__':
  unittest.main()