Add doc example as test (#3421)

test/test_files/copy/export_import_db.test

@@ -165,3 +165,29 @@ Imported database successfully.
 -STATEMENT MATCH (o:oneserial) RETURN *;
 ---- error
 Binder exception: Table oneserial does not exist.
+
+-CASE DocExportImportExampleCSV
+-STATEMENT Export Database "${KUZU_EXPORT_DB_DIRECTORY}_case8/demo-db" (format="csv", header=true);
+---- ok
+-IMPORT_DATABASE "${KUZU_EXPORT_DB_DIRECTORY}_case8/demo-db"
+-STATEMENT IMPORT DATABASE "${KUZU_EXPORT_DB_DIRECTORY}_case8/demo-db"
+---- ok
+-STATEMENT MATCH (u:User)-[:Follows]->(f:User) RETURN u.name, f.name;
+---- 4
+Adam|Karissa
+Adam|Zhang
+Karissa|Zhang
+Zhang|Noura
+
+-CASE DocExportImportExampleParquet
+-STATEMENT Export Database "${KUZU_EXPORT_DB_DIRECTORY}_case9/demo-db" (format="parquet");
+---- ok
+-IMPORT_DATABASE "${KUZU_EXPORT_DB_DIRECTORY}_case9/demo-db"
+-STATEMENT IMPORT DATABASE "${KUZU_EXPORT_DB_DIRECTORY}_case9/demo-db"
+---- ok
+-STATEMENT MATCH (u:User)-[:Follows]->(f:User) RETURN u.name, f.name;
+---- 4
+Adam|Karissa
+Adam|Zhang
+Karissa|Zhang
+Zhang|Noura

test/test_files/demo_db/demo_db.test

@@ -403,3 +403,18 @@ Adam|30
 Karissa|40
 Zhang|50
 Noura|25
+
+-STATEMENT CREATE NODE TABLE Person(name STRING, PRIMARY KEY (name));
+---- ok
+-STATEMENT CREATE REL TABLE Knows(FROM Person TO Person);
+---- ok
+-STATEMENT COPY Person FROM (MATCH (a:User) RETURN a.name);
+---- ok
+-STATEMENT COPY Knows FROM (MATCH (a:User)-[r:Follows]->(b:User) RETURN a.name, b.name);
+---- ok
+-STATEMENT MATCH (a:Person)-[:Knows]->(b:Person) RETURN a.name, b.name;
+---- 4
+Adam|Karissa
+Adam|Zhang
+Karissa|Zhang
+Zhang|Noura

test/test_files/function/cast.test

@@ -64,3 +64,22 @@ Binder exception: ARRAY_COSINE_SIMILARITY requires at least one argument to be A
 -STATEMENT RETURN array_cosine_similarity(cast([1.0, 2.0], 'DOUBLE[2]'), [3.0, 4.0]);
 ---- 1
 0.983870
+
+-LOG DocListExample
+-STATEMENT RETURN ["Alice", 1] AS l;
+---- error
+Binder exception: Expression Alice has data type STRING but expected INT64. Implicit cast is not supported.
+-STATEMENT RETURN CAST([3,4,12,11], 'INT64[4]');
+---- 1
+[3,4,12,11]
+-STATEMENT RETURN CAST([[5,2,1],[2,3],[15,64,74]], 'INT64[][3]');
+---- 1
+[[5,2,1],[2,3],[15,64,74]]
+-STATEMENT UNWIND CAST([[1,2,3],[3],[4,5]], 'INT64[][3]') AS x UNWIND x AS y RETURN y;
+---- 6
+1
+2
+3
+3
+4
+5