feat(Common): test case (#10)

tests/feature-10.sql

@@ -0,0 +1,82 @@
+-- @see https://github.com/rvkulikov/pg-deps-management/issues/10
+
+--- dependency tree
+--- table1
+---   view1
+---     rule1
+---     rule2
+---     fn1
+---       fn2
+---         view2
+---         pc1
+---           tg1
+---             trg1
+
+drop schema if exists util cascade;
+create schema util;
+
+create function util.__assert(condition boolean, message text) returns void as $$
+begin
+  if not condition then
+    raise exception 'Assertion failed: %', message;
+  end if;
+end;
+$$ language plpgsql;
+
+drop schema if exists feature10 cascade;
+create schema feature10;
+
+delete from public.deps_saved_ddl where true;
+
+create table feature10._table1(
+  col_1 text
+);
+
+create view feature10._view1 as select * from feature10._table1;
+
+create function feature10._fn1() returns setof feature10._view1 language plpgsql as $$ begin
+  return query select * from feature10._view1;
+end; $$;
+
+create function feature10._fn2() returns setof feature10._view1 language plpgsql as $$ begin
+  return query select * from feature10._fn1();
+end; $$;
+
+create procedure feature10._pc1() language plpgsql as $$ begin
+  perform * from feature10._fn2();
+end; $$;
+
+create view feature10._view2 as select * from feature10._fn2();
+
+create function feature10._tg1() returns trigger language plpgsql as $trg$ begin
+  call feature10._pc1();
+  return new;
+end $trg$;
+
+create trigger trg1
+  before insert or update on feature10._table1
+  for each row execute procedure feature10._tg1();
+
+create rule _rule1 as on insert to feature10._view1
+  do instead nothing;
+
+create rule _rule2 as on insert to feature10._view1
+  do instead insert into feature10._table1 values (new.col_1);
+
+insert into feature10._view1 values (10);
+
+select public.deps_save_and_drop_dependencies(
+  'feature10',
+  '_table1',
+  '{"dry_run": true, "verbose": true, "populate_materialized_view": true}'::jsonb
+);
+
+select * from feature10._table1;
+
+select * from public.deps_saved_ddl;
+
+-- select
+--   util.__assert(
+--       (select count(ctid) from public.deps_saved_ddl where ddl_statement ~* 'create view') = 1,
+--       'There is only 1 create view statement'::text
+--     );