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# Step implementations
This chapter shows the scenario step implementations.
## API requests of various kinds
IMPLEMENTS WHEN client requests GET (/.+) without token
path = get_next_match()
path = expand_vars(path, V)
V['status_code'], V['headers'], V['body'] = get(V['API_URL'] + path)
IMPLEMENTS WHEN client requests GET (/.+) using token
path = get_next_match()
path = expand_vars(path, V)
headers = {
'Authorization': 'Bearer {}'.format(V['token']),
}
V['status_code'], V['headers'], V['body'] = get(
V['API_URL'] + path, headers)
IMPLEMENTS WHEN client requests POST (/.+) with token and body (.+)
path = get_next_match()
body = get_next_match()
headers = {
'Authorization': 'Bearer {}'.format(V['token']),
'Content-Type': 'application/json',
}
V['status_code'], V['headers'], V['body'] = post(
V['API_URL'] + path, headers=headers, body=body)
IMPLEMENTS WHEN client requests POST /token with client_id "(.+)", client_secret "(.+)", and scopes "(.+)"
client_id = get_next_match()
client_secret = get_next_match()
scopes = get_next_match().split()
V['status_code'], V['headers'], V['body'] = get_token(
client_id, client_secret, scopes)
IMPLEMENTS WHEN client requests PUT (/.+) with token and body (.+)
path = get_next_match()
path = expand_vars(path, V)
body = get_next_match()
body = expand_vars(body, V)
headers = {
'Authorization': 'Bearer {}'.format(V['token']),
'Content-Type': 'application/json',
}
V['status_code'], V['headers'], V['body'] = put(
V['API_URL'] + path, headers=headers, body=body)
IMPLEMENTS WHEN client requests PUT (/[a-z0-9/${}]+) with token, revision (\S+), content-type (\S+), and empty body
path = expand_vars(get_next_match(), V)
revision = expand_vars(get_next_match(), V)
ctype = expand_vars(get_next_match(), V)
body = ''
headers = {
'Authorization': 'Bearer {}'.format(V['token']),
'Revision': revision,
'Content-Type': ctype,
}
V['status_code'], V['headers'], V['body'] = put(
V['API_URL'] + path, headers=headers, body=body)
IMPLEMENTS WHEN client requests PUT (/[a-z0-9/${}]+) with token, revision (\S+), content-type (\S+), and body "(.+)"
path = expand_vars(get_next_match(), V)
revision = expand_vars(get_next_match(), V)
ctype = expand_vars(get_next_match(), V)
body = unescape(expand_vars(get_next_match(), V))
headers = {
'Authorization': 'Bearer {}'.format(V['token']),
'Revision': revision,
'Content-Type': ctype,
}
V['status_code'], V['headers'], V['body'] = put(
V['API_URL'] + path, headers=headers, body=body)
IMPLEMENTS WHEN client requests DELETE (/.+) with token
path = get_next_match()
path = expand_vars(path, V)
headers = {
'Authorization': 'Bearer {}'.format(V['token']),
}
V['status_code'], V['headers'], V['body'] = delete(
V['API_URL'] + path, headers=headers)
IMPLEMENTS WHEN browser requests GET (\S+)
path = get_next_match()
V['status_code'], V['headers'], V['body'] = get(V['API_URL'] + path, {})
IMPLEMENTS WHEN browser requests POST (\S+), with form values (\S+)=(\S+) and (\S+)=(\S+) and (\S+)=(\S+)
path = get_next_match()
field1 = get_next_match()
value1 = expand_vars(get_next_match(), V)
field2 = get_next_match()
value2 = expand_vars(get_next_match(), V)
field3 = get_next_match()
value3 = expand_vars(get_next_match(), V)
headers = {}
body = {
field1: value1,
field2: value2,
field3: value3,
}
V['status_code'], V['headers'], V['body'] = post(
V['API_URL'] + path, headers=headers, body=body)
IMPLEMENTS WHEN facade requests POST (\S+), with form values (\S+)=(\S+) and (\S+)=(\S+) using Basic Auth with username (\S+), password (\S+)
path = get_next_match()
field1 = get_next_match()
value1 = expand_vars(get_next_match(), V)
field2 = get_next_match()
value2 = expand_vars(get_next_match(), V)
username = get_next_match()
password = get_next_match()
headers = {}
body = {
field1: value1,
field2: value2,
}
V['status_code'], V['headers'], V['body'] = post(
V['API_URL'] + path, headers=headers, body=body,
auth=(username, password))
## API access token creation
IMPLEMENTS WHEN client gets an authorization token with scope "(.+)"
scopes = get_next_match()
print 'privkey', repr(V['privkey'])
assert V['privkey']
V['token'] = create_token(V['privkey'], V['iss'], V['aud'], scopes)
## UUID creation
IMPLEMENTS GIVEN unique random identifier (\S+)
import uuid
name = get_next_match()
V[name] = str(uuid.uuid4())
## API request result checking
IMPLEMENTS THEN HTTP status code is (\d+) (.*)
expected = int(get_next_match())
assertEqual(V['status_code'], expected)
IMPLEMENTS THEN HTTP (\S+) header starts with (.+)
header = get_next_match()
wanted = expand_vars(get_next_match(), V)
actual = V['headers'].get(header)
assertTrue(actual.startswith(wanted))
IMPLEMENTS THEN HTTP (\S+) header is saved as (.+)
header = get_next_match()
name = get_next_match()
V[name] = V['headers'].get(header)
IMPLEMENTS THEN authorization code from (\S+) is saved as (\S+)
import urlparse
var1 = get_next_match()
var2 = get_next_match()
parts = urlparse.urlparse(V[var1])
params = urlparse.parse_qs(parts.query)
V[var2] = params['code'][0]
IMPLEMENTS THEN remember HTTP (\S+) header as (.+)
header = get_next_match()
name = get_next_match()
V[name] = V['headers'].get(header)
IMPLEMENTS THEN resource id is (\S+)
import json
name = get_next_match()
print 'body:', repr(V['body'])
body = json.loads(V['body'])
V[name] = body['id']
IMPLEMENTS THEN revision is (\S+)
import json
name = get_next_match()
body = json.loads(V['body'])
V[name] = body['revision']
IMPLEMENTS THEN revisions (\S+) and (\S+) are different
rev1 = get_next_match()
rev2 = get_next_match()
assertNotEqual(V[rev1], V[rev2])
IMPLEMENTS THEN revisions (\S+) and (\S+) match
rev1 = get_next_match()
rev2 = get_next_match()
assertEqual(V[rev1], V[rev2])
IMPLEMENTS THEN JSON body matches (.+)
import json
wanted = get_next_match()
print 'wanted1', repr(wanted)
wanted = expand_vars(wanted, V)
print 'wanted2', repr(wanted)
wanted = json.loads(wanted)
actual = json.loads(V['body'])
print 'actual ', repr(actual)
print 'wanted3', repr(wanted)
assertTrue(values_match(wanted, actual))
IMPLEMENTS THEN body is "(.+)"
wanted = unescape(expand_vars(get_next_match(), V))
body = V['body']
assertTrue(values_match(wanted, body))
IMPLEMENTS THEN body has an HTML form with field (.+)
field = get_next_match()
body = V['body']
pattern = '<input name="{}"'.format(field)
assertTrue(pattern in body)
IMPLEMENTS THEN HTML form field (.+) is saved as (\S+)
import re
field = get_next_match()
name = get_next_match()
body = V['body']
pattern = '<input name="{}" value="([^"]+)"'.format(field)
m = re.search(pattern, body, re.M)
print('body', repr(body))
print('pattern:', pattern)
print('m:', m)
print('m.groups():', m.groups())
V[name] = m.groups(0)[0]
IMPLEMENTS THEN Content-Type is (\S+)
wanted = get_next_match()
headers = V['headers']
assertEqual(headers['Content-Type'][:len(wanted)], wanted)
IMPLEMENTS THEN Location is (\S+)
wanted = get_next_match()
headers = V['headers']
assertEqual(headers['Location'], wanted)
IMPLEMENTS THEN body is a correctly signed JWT token
resp = json.loads(V['body'])
assertIn('access_token', resp)
assertIn('token_type', resp)
assertEqual(resp['token_type'], 'Bearer')
token = resp['access_token']
claims = token_decode(token, V['pubkey'])
assertNotEqual(claims, None)
V['claims'] = claims
IMPLEMENTS THEN token has claim (\S+) as "(.*)"
claim = get_next_match()
value = get_next_match()
claims = V['claims']
assertEqual(claims[claim], value)
IMPLEMENTS THEN token expires in an hour
claims = V['claims']
expires = claims['exp']
remains = expires - time.time()
assertTrue(3400 < remains < 3700)
IMPLEMENTS THEN JSON body has field (\S+)$
field = get_next_match()
body = V['body']
body = json.loads(body)
assertTrue(field in body)
IMPLEMENTS THEN JSON body has field (\S+), with value (\S+)
field = get_next_match()
value = get_next_match()
body = V['body']
body = json.loads(body)
assertEqual(body.get(field), value)
IMPLEMENTS THEN access token has a (\S+) field set to (\S+)
field = get_next_match()
value = get_next_match()
body = V['body']
body = json.loads(body)
token = body['access_token']
claims = token_decode(token, V['pubkey'])
print('claims', claims)
print('value', value)
assertEqual(claims.get(field), value)
IMPLEMENTS THEN access token has an (\S+) field that is not empty
field = get_next_match()
value = get_next_match()
body = V['body']
body = json.loads(body)
token = body['access_token']
claims = token_decode(token)
tf = token.get(field)
assertTrue(tf is not None)
assertTrue(isinstance(tf, str))
assertTrue(tf != "")
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