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Added params and fixed formatting of queries #99

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Dec 2, 2016
+31 −14
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Added params and fixed formatting of queries #99

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45 changes: 31 additions & 14 deletions examples/test_examples.py
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Original file line number Diff line number Diff line change
Expand Up @@ -51,9 +51,12 @@ def test_minimal_working_example(self):
driver = GraphDatabase.driver("bolt://localhost", auth=basic_auth("neo4j", "neo4j"))
session = driver.session()

session.run("CREATE (a:Person {name:'Arthur', title:'King'})")
session.run("CREATE (a:Person {name: {name}, title: {title}})",
{"name": "Arthur", "title": "King"})

result = session.run("MATCH (a:Person) WHERE a.name = 'Arthur' RETURN a.name AS name, a.title AS title")
result = session.run("MATCH (a:Person) WHERE a.name = {name} "
"RETURN a.name AS name, a.title AS title",
{"name": "Arthur"})
for record in result:
print("%s %s" % (record["title"], record["name"]))

Expand Down Expand Up @@ -106,7 +109,8 @@ def test_statement(self):
driver = GraphDatabase.driver("bolt://localhost", auth=auth_token)
session = driver.session()
# tag::statement[]
result = session.run("CREATE (person:Person {name: {name}})", {"name": "Arthur"})
result = session.run("CREATE (person:Person {name: {name}})",
{"name": "Arthur"})
# end::statement[]
result.consume()
session.close()
Expand All @@ -126,7 +130,8 @@ def test_result_traversal(self):
# tag::result-traversal[]
search_term = "Sword"
result = session.run("MATCH (weapon:Weapon) WHERE weapon.name CONTAINS {term} "
"RETURN weapon.name", {"term": search_term})
"RETURN weapon.name",
{"term": search_term})
print("List of weapons called %r:" % search_term)
for record in result:
print(record["weapon.name"])
Expand All @@ -139,7 +144,8 @@ def test_access_record(self):
# tag::access-record[]
search_term = "Arthur"
result = session.run("MATCH (weapon:Weapon) WHERE weapon.owner CONTAINS {term} "
"RETURN weapon.name, weapon.material, weapon.size", {"term": search_term})
"RETURN weapon.name, weapon.material, weapon.size",
{"term": search_term})
print("List of weapons owned by %r:" % search_term)
for record in result:
print(", ".join("%s: %s" % (key, record[key]) for key in record.keys()))
Expand All @@ -151,7 +157,8 @@ def test_result_retention(self):
# tag::retain-result[]
session = driver.session()
result = session.run("MATCH (knight:Person:Knight) WHERE knight.castle = {castle} "
"RETURN knight.name AS name", {"castle": "Camelot"})
"RETURN knight.name AS name",
{"castle": "Camelot"})
retained_result = list(result)
session.close()
for record in retained_result:
Expand All @@ -164,11 +171,13 @@ def test_nested_statements(self):
session = driver.session()
# tag::nested-statements[]
result = session.run("MATCH (knight:Person:Knight) WHERE knight.castle = {castle} "
"RETURN id(knight) AS knight_id", {"castle": "Camelot"})
"RETURN id(knight) AS knight_id",
{"castle": "Camelot"})
for record in result:
session.run("MATCH (knight) WHERE id(knight) = {id} "
"MATCH (king:Person) WHERE king.name = {king} "
"CREATE (knight)-[:DEFENDS]->(king)", {"id": record["knight_id"], "king": "Arthur"})
"CREATE (knight)-[:DEFENDS]->(king)",
{"id": record["knight_id"], "king": "Arthur"})
# end::nested-statements[]
session.close()

Expand All @@ -177,10 +186,13 @@ def test_transaction_commit(self):
session = driver.session()
# tag::transaction-commit[]
with session.begin_transaction() as tx:
tx.run("CREATE (:Person {name: 'Guinevere'})")
tx.run("CREATE (:Person {name: {name}})",
{"name": "Guinevere"})
tx.success = True
# end::transaction-commit[]
result = session.run("MATCH (p:Person {name: 'Guinevere'}) RETURN count(p)")
result = session.run("MATCH (p:Person {name: {name}}) "
"RETURN count(p)",
{"name": "Guinevere"})
record = next(iter(result))
assert record["count(p)"] == 1
session.close()
Expand All @@ -190,10 +202,13 @@ def test_transaction_rollback(self):
session = driver.session()
# tag::transaction-rollback[]
with session.begin_transaction() as tx:
tx.run("CREATE (:Person {name: 'Merlin'})")
tx.run("CREATE (:Person {name: {name}})",
{"name": "Merlin"})
tx.success = False
# end::transaction-rollback[]
result = session.run("MATCH (p:Person {name: 'Merlin'}) RETURN count(p)")
result = session.run("MATCH (p:Person {name: {name}}) "
"RETURN count(p)",
{"name": "Merlin"})
record = next(iter(result))
assert record["count(p)"] == 0
session.close()
Expand All @@ -203,7 +218,8 @@ def test_result_summary_query_profile(self):
session = driver.session()
# tag::result-summary-query-profile[]
result = session.run("PROFILE MATCH (p:Person {name: {name}}) "
"RETURN id(p)", {"name": "Arthur"})
"RETURN id(p)",
{"name": "Arthur"})
summary = result.consume()
print(summary.statement_type)
print(summary.profile)
Expand All @@ -214,7 +230,8 @@ def test_result_summary_notifications(self):
driver = GraphDatabase.driver("bolt://localhost", auth=auth_token)
session = driver.session()
# tag::result-summary-notifications[]
result = session.run("EXPLAIN MATCH (king), (queen) RETURN king, queen")
result = session.run("EXPLAIN MATCH (king), (queen) "
"RETURN king, queen")
summary = result.consume()
for notification in summary.notifications:
print(notification)
Expand Down