mentat/db/tests/value_tests.rs

// Copyright 2016 Mozilla
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
// this file except in compliance with the License. You may obtain a copy of the
// License at http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

extern crate core_traits;
extern crate edn;
extern crate mentat_db;
extern crate ordered_float;
extern crate rusqlite;

use ordered_float::OrderedFloat;

use edn::symbols;

use core_traits::{TypedValue, ValueType};
use mentat_db::db::TypedSQLValue;

// It's not possible to test to_sql_value_pair since rusqlite::ToSqlOutput doesn't implement
// PartialEq.
#[test]
fn test_from_sql_value_pair() {
    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Integer(1234), 0).unwrap(),
        TypedValue::Ref(1234)
    );

    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Integer(0), 1).unwrap(),
        TypedValue::Boolean(false)
    );
    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Integer(1), 1).unwrap(),
        TypedValue::Boolean(true)
    );

    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Integer(0), 5).unwrap(),
        TypedValue::Long(0)
    );
    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Integer(1234), 5).unwrap(),
        TypedValue::Long(1234)
    );

    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Real(0.0), 5).unwrap(),
        TypedValue::Double(OrderedFloat(0.0))
    );
    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Real(0.5), 5).unwrap(),
        TypedValue::Double(OrderedFloat(0.5))
    );

    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Text(":db/keyword".into()), 10)
            .unwrap(),
        TypedValue::typed_string(":db/keyword")
    );
    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Text(":db/keyword".into()), 13)
            .unwrap(),
        TypedValue::typed_ns_keyword("db", "keyword")
    );
    assert_eq!(
        TypedValue::from_sql_value_pair(rusqlite::types::Value::Blob(vec![1,2,3,42]), 15)
            .unwrap(),
        TypedValue::Bytes((vec![1,2,3,42]).into())
    );
}

#[test]
fn test_to_edn_value_pair() {
    assert_eq!(
        TypedValue::Ref(1234).to_edn_value_pair(),
        (edn::Value::Integer(1234), ValueType::Ref)
    );

    assert_eq!(
        TypedValue::Boolean(false).to_edn_value_pair(),
        (edn::Value::Boolean(false), ValueType::Boolean)
    );
    assert_eq!(
        TypedValue::Boolean(true).to_edn_value_pair(),
        (edn::Value::Boolean(true), ValueType::Boolean)
    );

    assert_eq!(
        TypedValue::Long(0).to_edn_value_pair(),
        (edn::Value::Integer(0), ValueType::Long)
    );
    assert_eq!(
        TypedValue::Long(1234).to_edn_value_pair(),
        (edn::Value::Integer(1234), ValueType::Long)
    );

    assert_eq!(
        TypedValue::Double(OrderedFloat(0.0)).to_edn_value_pair(),
        (edn::Value::Float(OrderedFloat(0.0)), ValueType::Double)
    );
    assert_eq!(
        TypedValue::Double(OrderedFloat(0.5)).to_edn_value_pair(),
        (edn::Value::Float(OrderedFloat(0.5)), ValueType::Double)
    );

    assert_eq!(
        TypedValue::typed_string(":db/keyword").to_edn_value_pair(),
        (edn::Value::Text(":db/keyword".into()), ValueType::String)
    );
    assert_eq!(
        TypedValue::typed_ns_keyword("db", "keyword").to_edn_value_pair(),
        (
            edn::Value::Keyword(symbols::Keyword::namespaced("db", "keyword")),
            ValueType::Keyword
        )
    );
}