Merge pull request #1944 from kuzudb/add-test

[WIP] Add demo db tests in docs

test/test_files/demo_db/demo_db_set_copy.test

@@ -3,42 +3,62 @@
 
 --
 
--CASE SetNodeTest
-
+-CASE SetSingleLabelNodeTest
 -LOG SetAge
 -STATEMENT MATCH (u:User) WHERE u.name = 'Adam' SET u.age = 50
 ---- ok
-
 -LOG ReturnAge
 -STATEMENT MATCH (u:User) WHERE u.name='Adam' RETURN u.age
 ---- 1
 50
-
 -LOG SetAgeNull
 -STATEMENT MATCH (u:User) WHERE u.name = 'Adam' SET u.age = NULL
 ---- ok
-
 -LOG ReturnNullAge 
 -STATEMENT MATCH (u:User) WHERE u.name='Adam' RETURN u.age
 ---- 1
 
+-CASE SetMultipleLabelNodeTest
+-STATEMENT MATCH (u) SET u.population = 0 RETURN label(u), u.name, u.population;
+---- 7
+User|Adam|
+User|Karissa|
+User|Zhang|
+User|Noura|
+City|Waterloo|0
+City|Kitchener|0
+City|Guelph|0
+-STATEMENT MATCH(u:City) RETURN u.name, u.population
+---- 3
+Waterloo|0
+Kitchener|0
+Guelph|0
 
--CASE SetRelTest
-
+-CASE SetSingleLabelRelTest
 -LOG SetRelSince
 -STATEMENT MATCH (u:User)-[f:Follows]->(u1:User) WHERE u.name = 'Adam' AND u1.name = 'Karissa' SET f.since=2012
 ---- ok
-
 -LOG CheckRelSince
 -STATEMENT MATCH (u:User)-[f:Follows]->(u1:User) WHERE u.name='Adam' RETURN f.since, u1.name
 ---- 2
 2012|Karissa
 2020|Zhang
-
 -LOG CopyRelToNonEmptyTableErrorTest
 -STATEMENT MATCH (:User)-[f:Follows]->(:User) DELETE f
 ---- ok
 
+-CASE SetMultipleLabelRelTest
+-LOG SetRelSince
+-STATEMENT MATCH (u0)-[f]->() WHERE u0.name = 'Adam' SET f.since = 1999 RETURN f;
+---- 3
+(0:0)-{_LABEL: Follows, _ID: 2:0, since: 1999}->(0:1)
+(0:0)-{_LABEL: Follows, _ID: 2:1, since: 1999}->(0:2)
+(0:0)-{_LABEL: LivesIn, _ID: 3:0}->(1:0)
+-LOG CheckRelSince
+-STATEMENT MATCH (u0)-[f:Follows]->() WHERE u0.name='Adam' RETURN f.since
+---- 2
+1999
+1999
 
 -CASE CopyRelToNonEmptyTableErrorTest