Added examples, exercises and answers for checks on XML responses

Author: basdijkstra

answers/answers_05.py

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+import xml.etree.ElementTree as et
+import requests
+
+
+# Exercise 5.1
+# Write a test that does the following:
+# Perform a GET to http://parabank.parasoft.com/parabank/services/bank/accounts/12345
+# Parse the response into an XML ElementTree
+# Check that the root element name is 'account'
+# Check that the root element has no attributes
+# Check that the root element has no text
+def test_check_root_of_xml_response():
+    response = requests.get("http://parabank.parasoft.com/parabank/services/bank/accounts/12345")
+    response_body_as_xml = et.fromstring(response.content)
+    xml_tree = et.ElementTree(response_body_as_xml)
+    root = xml_tree.getroot()
+    assert root.tag == "account"
+    assert len(root.attrib) == 0
+    assert root.text is None
+
+
+# Exercise 5.2
+# Write a test that does the following
+# Perform a GET to http://parabank.parasoft.com/parabank/services/bank/accounts/12345
+# Parse the response into an XML ElementTree
+# Find the customerId element in the tree
+# Check that the text of the customerId element is '12212'
+def test_check_specific_element_of_xml_response():
+    response = requests.get("http://parabank.parasoft.com/parabank/services/bank/accounts/12345")
+    response_body_as_xml = et.fromstring(response.content)
+    xml_tree = et.ElementTree(response_body_as_xml)
+    first_name = xml_tree.find("customerId")
+    assert first_name.text == "12212"
+
+
+# Exercise 5.3
+# Write a test that does the following
+# Perform a GET to http://parabank.parasoft.com/parabank/services/bank/customers/12212/accounts
+# Parse the response into an XML ElementTree
+# Find all 'account' elements in the entire XML document
+# Check that there are more than 5 of these 'account' elements
+def test_check_number_of_accounts_for_12212_greater_than_five():
+    response = requests.get("http://parabank.parasoft.com/parabank/services/bank/customers/12212/accounts")
+    response_body_as_xml = et.fromstring(response.content)
+    xml_tree = et.ElementTree(response_body_as_xml)
+    accounts = xml_tree.findall(".//account")
+    assert len(accounts) > 5
+
+
+# Exercise 5.4
+# Repeat Exercise 5.3, but now check that:
+# - at least one of the accounts is of type 'SAVINGS' (Google!)
+# - there is no account that has a customerId that is not equal to 12212
+#   (Use your creativity with the last one here... There is a solution, but I couldn't
+#    find it on Google.)
+def test_use_xpath_for_more_sophisticated_checks():
+    response = requests.get("http://parabank.parasoft.com/parabank/services/bank/customers/12212/accounts")
+    response_body_as_xml = et.fromstring(response.content)
+    xml_tree = et.ElementTree(response_body_as_xml)
+    savings_accounts = xml_tree.findall(".//account/type[.='SAVINGS']")
+    assert len(savings_accounts) > 1
+    accounts_with_incorrect_customer_id = xml_tree.findall(".//account/customerId[!.='12212']")
+    assert len(accounts_with_incorrect_customer_id) == 0

examples/examples_05.py

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+import xml.etree.ElementTree as et
+import requests
+
+
+def test_check_root_of_xml_response():
+    response = requests.get("http://parabank.parasoft.com/parabank/services/bank/customers/12212")
+    response_body_as_xml = et.fromstring(response.content)
+    xml_tree = et.ElementTree(response_body_as_xml)
+    root = xml_tree.getroot()
+    assert root.tag == "customer"
+    assert root.text is None
+
+
+def test_check_specific_element_of_xml_response():
+    response = requests.get("http://parabank.parasoft.com/parabank/services/bank/customers/12212")
+    response_body_as_xml = et.fromstring(response.content)
+    xml_tree = et.ElementTree(response_body_as_xml)
+    first_name = xml_tree.find("firstName")
+    assert first_name.text == "John"
+    assert len(first_name.attrib) == 0
+
+
+# https://docs.python.org/3/library/xml.etree.elementtree.html#elementtree-xpath
+def test_use_xpath_for_more_sophisticated_checks():
+    response = requests.get("http://parabank.parasoft.com/parabank/services/bank/customers/12212")
+    response_body_as_xml = et.fromstring(response.content)
+    xml_tree = et.ElementTree(response_body_as_xml)
+    address_children = xml_tree.findall(".//address/*")
+    assert len(address_children) == 4

exercises/exercises_05.py

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+import xml.etree.ElementTree as et
+import requests
+
+
+# Exercise 5.1
+# Write a test that does the following:
+# Perform a GET to http://parabank.parasoft.com/parabank/services/bank/accounts/12345
+# Parse the response into an XML ElementTree
+# Check that the root element name is 'account'
+# Check that the root element has no attributes
+# Check that the root element has no text
+
+
+# Exercise 5.2
+# Write a test that does the following
+# Perform a GET to http://parabank.parasoft.com/parabank/services/bank/accounts/12345
+# Parse the response into an XML ElementTree
+# Find the customerId element in the tree
+# Check that the text of the customerId element is '12212'
+
+
+# Exercise 5.3
+# Write a test that does the following
+# Perform a GET to http://parabank.parasoft.com/parabank/services/bank/customers/12212/accounts
+# Parse the response into an XML ElementTree
+# Find all 'account' elements in the entire XML document
+# Check that there are more than 5 of these 'account' elements
+
+
+# Exercise 5.4
+# Repeat Exercise 5.3, but now check that:
+# - at least one of the accounts is of type 'SAVINGS' (Google!)
+# - there is no account that has a customerId that is not equal to 12212
+#   (Use your creativity with the last one here... There is a solution, but I couldn't
+#    find it on Google.)