def test_all_name_equal_sergey_false(self):
real = Linq(self.test_people).all(lambda x: x.firstname == "Sergey")
self.assertEqual(real, False)
def test_take_7(self):
real = Linq(self.test_people).take(7).to_list()
self.assertEqual(real, self.test_people)
def test_all_age_gt_15_true(self):
real = Linq(self.test_people).all(lambda x: x.age > 15)
self.assertEqual(real, True)
def test_last_firstname_eq_sergey(self):
real = Linq(self.test_people).last(lambda x: x.firstname == "Sergey").to_list()
self.assertEqual(real, [People("Sergey", "OrkJump", 17)])
def test_skip_3(self):
real = Linq(self.test_people).skip(3).to_list()
expect = [People("Sergey", "OrkJump", 17),
People("OddHub", "Doter", 33)]
self.assertEqual(real, expect)
def test_distinctby_firstname_2(self):
real = Linq(self.test_people).distinct_by(lambda x: x.firstname)
self.assertEqual(len(real), 4)
def test_contains_3_false(self):
real = Linq(self.test_people).contains(3)
self.assertEqual(real, False)
def test_where_name_sergey_two_people(self):
people = Linq(self.test_people).where(lambda x: x.firstname == "Sergey")
self.assertEqual(len(people), 2)
def test_order_by_age(self):
expect = list(sorted(self.test_people, key=lambda x: x.age))
real = Linq(self.test_people).order_by(lambda x: x.age).to_list()
self.assertEqual(real, expect)
def test_avg_by_age(self):
real = Linq(self.test_people).average_by(lambda x: x.age)
self.assertEqual(real, 27.8)
def test_where_gt_age25_two_people(self):
people = Linq(self.test_people).where(lambda x: x.age > 25)
self.assertEqual(len(people), 2)
def test_max_by_age(self):
real = Linq(self.test_people).max_by(lambda x: x.age)
self.assertEqual(real, 45)
def test_sum_by_age(self):
real = Linq(self.test_people).sum_by(lambda x: x.age)
self.assertEqual(real, 139)
def test_sum_by(self):
real = Linq([1, 2, 3]).sum_by()
self.assertEqual(real, 6)
def test_count_without_cond_5(self):
real = Linq(self.test_people).count()
self.assertEqual(real, 5)
def test_order_by_desc_age(self):
expect = list(sorted(self.test_people, key=lambda x: x.age, reverse=True))
real = Linq(self.test_people).order_by_descending(lambda x: x.age).to_list()
self.assertEqual(real, expect)
def test_count_age_gt_25_2(self):
real = Linq(self.test_people).count(lambda x: x.age > 25)
self.assertEqual(real, 2)
def test_select_age(self):
age_list = Linq(self.test_people).select(lambda x: x.age).to_list()
self.assertEqual(age_list, [23, 21, 45, 17, 33])
def test_contains_sergey_popov_true(self):
real = Linq(self.test_people).contains(People("Sergey", "Popov", 23))
self.assertEqual(real, True)
def test_any_firstname_seva_false(self):
real = Linq(self.test_people).any(lambda x: x.firstname == "Seva")
self.assertEqual(real, False)
def test_first_age_gt_25(self):
real = Linq(self.test_people).first(lambda x: x.age >= 25).to_list()
self.assertEqual(real, [People("Jirok", "Kiv", 45)])
def test_any_firstname_jirok_true(self):
real = Linq(self.test_people).any(lambda x: x.firstname == "Jirok")
self.assertEqual(real, True)
def test_element_at_3(self):
real = Linq(self.test_people).element_at(3).to_list()
self.assertEqual(real, [People("Sergey", "OrkJump", 17)])
def test_reverse_and_select_age(self):
age_list = Linq(self.test_people).select(lambda x: x.age).reverse().to_list()
self.assertEqual(age_list, [33, 17, 45, 21, 23])
def test_skip_7(self):
real = Linq(self.test_people).skip(7).to_list()
self.assertEqual(real, [])
def test_take_2(self):
real = Linq(self.test_people).take(2).to_list()
expect = [People("Sergey", "Popov", 23),
People("Anton", "Vivaldi", 21)]
self.assertEqual(real, expect)