226 lines
10 KiB
Rust
226 lines
10 KiB
Rust
// Copyright 2016 Mozilla
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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extern crate rusqlite;
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#[macro_use]
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extern crate mentat;
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extern crate mentat_core;
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extern crate mentat_db;
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use std::collections::BTreeSet;
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use mentat_core::{
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CachedAttributes,
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};
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use mentat::{
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Entid,
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HasSchema,
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Queryable,
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Schema,
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Store,
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Binding,
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TypedValue,
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};
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use mentat_db::cache::{
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SQLiteAttributeCache,
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};
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fn populate_db() -> Store {
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let mut store = Store::open("").expect("opened");
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{
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let mut write = store.begin_transaction().expect("began transaction");
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let _report = write.transact(r#"[
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{:db/ident :foo/bar
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:db/valueType :db.type/long
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:db/cardinality :db.cardinality/one },
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{:db/ident :foo/baz
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:db/valueType :db.type/boolean
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:db/cardinality :db.cardinality/one },
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{:db/ident :foo/bap
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:db/valueType :db.type/string
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:db/cardinality :db.cardinality/many}]"#).expect("transaction expected to succeed");
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let _report = write.transact(r#"[
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{:db/ident :item/one
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:foo/bar 100
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:foo/baz false
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:foo/bap ["one","two","buckle my shoe"] },
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{:db/ident :item/two
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:foo/bar 200
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:foo/baz true
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:foo/bap ["three", "four", "knock at my door"] }]"#).expect("transaction expected to succeed");
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write.commit().expect("committed");
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}
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store
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}
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fn assert_value_present_for_attribute(schema: &Schema, attribute_cache: &mut SQLiteAttributeCache, attribute: Entid, entity: Entid, value: TypedValue) {
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let one = attribute_cache.get_value_for_entid(schema, attribute, entity);
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assert!(attribute_cache.get_values_for_entid(schema, attribute, entity).is_none());
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assert_eq!(one, Some(&value));
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}
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fn assert_values_present_for_attribute(schema: &Schema, attribute_cache: &mut SQLiteAttributeCache, attribute: Entid, entity: Entid, values: Vec<TypedValue>) {
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assert!(attribute_cache.get_value_for_entid(schema, attribute, entity).is_none());
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let actual: BTreeSet<TypedValue> = attribute_cache.get_values_for_entid(schema, attribute, entity)
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.expect("Non-None")
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.clone()
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.into_iter()
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.collect();
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let expected: BTreeSet<TypedValue> = values.into_iter().collect();
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assert_eq!(actual, expected);
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}
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#[test]
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fn test_add_to_cache() {
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let mut store = populate_db();
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let schema = &store.conn().current_schema();
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let mut attribute_cache = SQLiteAttributeCache::default();
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let kw = kw!(:foo/bar);
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let attr: Entid = schema.get_entid(&kw).expect("Expected entid for attribute").into();
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{
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assert!(attribute_cache.value_pairs(schema, attr).is_none());
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}
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attribute_cache.register(&schema, &store.sqlite_mut(), attr).expect("No errors on add to cache");
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{
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let cached_values = attribute_cache.value_pairs(schema, attr).expect("non-None");
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assert!(!cached_values.is_empty());
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let flattened: BTreeSet<TypedValue> = cached_values.values().cloned().filter_map(|x| x).collect();
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let expected: BTreeSet<TypedValue> = vec![TypedValue::Long(100), TypedValue::Long(200)].into_iter().collect();
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assert_eq!(flattened, expected);
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}
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}
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#[test]
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fn test_add_attribute_already_in_cache() {
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let mut store = populate_db();
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let schema = store.conn().current_schema();
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let kw = kw!(:foo/bar);
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let attr: Entid = schema.get_entid(&kw).expect("Expected entid for attribute").into();
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let mut attribute_cache = SQLiteAttributeCache::default();
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let one = schema.get_entid(&kw!(:item/one)).expect("one");
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let two = schema.get_entid(&kw!(:item/two)).expect("two");
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attribute_cache.register(&schema, &mut store.sqlite_mut(), attr).expect("No errors on add to cache");
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assert_value_present_for_attribute(&schema, &mut attribute_cache, attr.into(), one.into(), TypedValue::Long(100));
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attribute_cache.register(&schema, &mut store.sqlite_mut(), attr).expect("No errors on add to cache");
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assert_value_present_for_attribute(&schema, &mut attribute_cache, attr.into(), two.into(), TypedValue::Long(200));
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}
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#[test]
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fn test_remove_from_cache() {
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let mut store = populate_db();
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let schema = store.conn().current_schema();
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let kwr = kw!(:foo/bar);
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let entidr: Entid = schema.get_entid(&kwr).expect("Expected entid for attribute").into();
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let kwz = kw!(:foo/baz);
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let entidz: Entid = schema.get_entid(&kwz).expect("Expected entid for attribute").into();
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let kwp = kw!(:foo/bap);
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let entidp: Entid = schema.get_entid(&kwp).expect("Expected entid for attribute").into();
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let mut attribute_cache = SQLiteAttributeCache::default();
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let one = schema.get_entid(&kw!(:item/one)).expect("one");
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let two = schema.get_entid(&kw!(:item/two)).expect("two");
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assert!(attribute_cache.get_value_for_entid(&schema, entidz, one.into()).is_none());
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assert!(attribute_cache.get_values_for_entid(&schema, entidz, one.into()).is_none());
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assert!(attribute_cache.get_value_for_entid(&schema, entidz, two.into()).is_none());
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assert!(attribute_cache.get_values_for_entid(&schema, entidz, two.into()).is_none());
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assert!(attribute_cache.get_value_for_entid(&schema, entidp, one.into()).is_none());
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assert!(attribute_cache.get_values_for_entid(&schema, entidp, one.into()).is_none());
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attribute_cache.register(&schema, &mut store.sqlite_mut(), entidr).expect("No errors on add to cache");
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assert_value_present_for_attribute(&schema, &mut attribute_cache, entidr, one.into(), TypedValue::Long(100));
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assert_value_present_for_attribute(&schema, &mut attribute_cache, entidr, two.into(), TypedValue::Long(200));
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attribute_cache.register(&schema, &mut store.sqlite_mut(), entidz).expect("No errors on add to cache");
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assert_value_present_for_attribute(&schema, &mut attribute_cache, entidz, one.into(), TypedValue::Boolean(false));
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assert_value_present_for_attribute(&schema, &mut attribute_cache, entidz, one.into(), TypedValue::Boolean(false));
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attribute_cache.register(&schema, &mut store.sqlite_mut(), entidp).expect("No errors on add to cache");
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assert_values_present_for_attribute(&schema, &mut attribute_cache, entidp, one.into(),
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vec![TypedValue::typed_string("buckle my shoe"),
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TypedValue::typed_string("one"),
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TypedValue::typed_string("two")]);
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assert_values_present_for_attribute(&schema, &mut attribute_cache, entidp, two.into(),
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vec![TypedValue::typed_string("knock at my door"),
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TypedValue::typed_string("three"),
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TypedValue::typed_string("four")]);
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// test that we can remove an item from cache
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attribute_cache.unregister(entidz);
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assert!(!attribute_cache.is_attribute_cached_forward(entidz.into()));
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assert!(attribute_cache.get_value_for_entid(&schema, entidz, one.into()).is_none());
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assert!(attribute_cache.get_values_for_entid(&schema, entidz, one.into()).is_none());
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assert!(attribute_cache.get_value_for_entid(&schema, entidz, two.into()).is_none());
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assert!(attribute_cache.get_values_for_entid(&schema, entidz, two.into()).is_none());
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}
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#[test]
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fn test_remove_attribute_not_in_cache() {
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let store = populate_db();
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let mut attribute_cache = SQLiteAttributeCache::default();
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let schema = store.conn().current_schema();
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let kw = kw!(:foo/baz);
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let entid = schema.get_entid(&kw).expect("Expected entid for attribute").0;
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attribute_cache.unregister(entid);
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assert!(!attribute_cache.is_attribute_cached_forward(entid));
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}
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#[test]
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fn test_fetch_attribute_value_for_entid() {
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let mut store = populate_db();
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let schema = store.conn().current_schema();
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let entities = store.q_once(r#"[:find ?e . :where [?e :foo/bar 100]]"#, None).expect("Expected query to work").into_scalar().expect("expected scalar results");
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let entid = match entities {
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Some(Binding::Scalar(TypedValue::Ref(entid))) => entid,
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x => panic!("expected Some(Ref), got {:?}", x),
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};
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let kwr = kw!(:foo/bar);
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let attr_entid = schema.get_entid(&kwr).expect("Expected entid for attribute").0;
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let mut attribute_cache = SQLiteAttributeCache::default();
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attribute_cache.register(&schema, &mut store.sqlite_mut(), attr_entid).expect("No errors on add to cache");
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let val = attribute_cache.get_value_for_entid(&schema, attr_entid, entid).expect("Expected value");
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assert_eq!(*val, TypedValue::Long(100));
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}
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#[test]
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fn test_fetch_attribute_values_for_entid() {
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let mut store = populate_db();
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let schema = store.conn().current_schema();
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let entities = store.q_once(r#"[:find ?e . :where [?e :foo/bar 100]]"#, None).expect("Expected query to work").into_scalar().expect("expected scalar results");
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let entid = match entities {
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Some(Binding::Scalar(TypedValue::Ref(entid))) => entid,
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x => panic!("expected Some(Ref), got {:?}", x),
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};
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let kwp = kw!(:foo/bap);
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let attr_entid = schema.get_entid(&kwp).expect("Expected entid for attribute").0;
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let mut attribute_cache = SQLiteAttributeCache::default();
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attribute_cache.register(&schema, &mut store.sqlite_mut(), attr_entid).expect("No errors on add to cache");
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let val = attribute_cache.get_values_for_entid(&schema, attr_entid, entid).expect("Expected value");
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assert_eq!(*val, vec![TypedValue::typed_string("buckle my shoe"),
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TypedValue::typed_string("one"),
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TypedValue::typed_string("two")]);
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}
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