rust-postgres/postgres/src/test.rs

200 lines
5.3 KiB
Rust
Raw Normal View History

2018-12-23 21:08:02 +00:00
use std::io::Read;
2018-12-22 05:01:49 +00:00
use tokio_postgres::types::Type;
use tokio_postgres::NoTls;
use super::*;
#[test]
fn prepare() {
let mut client = Client::connect("host=localhost port=5433 user=postgres", NoTls).unwrap();
let stmt = client.prepare("SELECT 1::INT, $1::TEXT").unwrap();
assert_eq!(stmt.params(), &[Type::TEXT]);
assert_eq!(stmt.columns().len(), 2);
assert_eq!(stmt.columns()[0].type_(), &Type::INT4);
assert_eq!(stmt.columns()[1].type_(), &Type::TEXT);
}
#[test]
fn query_prepared() {
let mut client = Client::connect("host=localhost port=5433 user=postgres", NoTls).unwrap();
let stmt = client.prepare("SELECT $1::TEXT").unwrap();
let rows = client.query(&stmt, &[&"hello"]).unwrap();
assert_eq!(rows.len(), 1);
assert_eq!(rows[0].get::<_, &str>(0), "hello");
}
#[test]
fn query_unprepared() {
let mut client = Client::connect("host=localhost port=5433 user=postgres", NoTls).unwrap();
let rows = client.query("SELECT $1::TEXT", &[&"hello"]).unwrap();
assert_eq!(rows.len(), 1);
assert_eq!(rows[0].get::<_, &str>(0), "hello");
}
#[test]
fn transaction_commit() {
let mut client = Client::connect("host=localhost port=5433 user=postgres", NoTls).unwrap();
client
.batch_execute("CREATE TEMPORARY TABLE foo (id SERIAL PRIMARY KEY)")
.unwrap();
let mut transaction = client.transaction().unwrap();
transaction
.execute("INSERT INTO foo DEFAULT VALUES", &[])
.unwrap();
transaction.commit().unwrap();
let rows = client.query("SELECT * FROM foo", &[]).unwrap();
assert_eq!(rows.len(), 1);
assert_eq!(rows[0].get::<_, i32>(0), 1);
}
#[test]
fn transaction_rollback() {
let mut client = Client::connect("host=localhost port=5433 user=postgres", NoTls).unwrap();
client
.batch_execute("CREATE TEMPORARY TABLE foo (id SERIAL PRIMARY KEY)")
.unwrap();
let mut transaction = client.transaction().unwrap();
transaction
.execute("INSERT INTO foo DEFAULT VALUES", &[])
.unwrap();
transaction.rollback().unwrap();
let rows = client.query("SELECT * FROM foo", &[]).unwrap();
assert_eq!(rows.len(), 0);
}
#[test]
fn transaction_drop() {
let mut client = Client::connect("host=localhost port=5433 user=postgres", NoTls).unwrap();
client
.batch_execute("CREATE TEMPORARY TABLE foo (id SERIAL PRIMARY KEY)")
.unwrap();
let mut transaction = client.transaction().unwrap();
transaction
.execute("INSERT INTO foo DEFAULT VALUES", &[])
.unwrap();
drop(transaction);
let rows = client.query("SELECT * FROM foo", &[]).unwrap();
assert_eq!(rows.len(), 0);
}
#[test]
fn nested_transactions() {
let mut client = Client::connect("host=localhost port=5433 user=postgres", NoTls).unwrap();
client
.batch_execute("CREATE TEMPORARY TABLE foo (id INT PRIMARY KEY)")
.unwrap();
let mut transaction = client.transaction().unwrap();
transaction
.execute("INSERT INTO foo (id) VALUES (1)", &[])
.unwrap();
let mut transaction2 = transaction.transaction().unwrap();
transaction2
.execute("INSERT INTO foo (id) VALUES (2)", &[])
.unwrap();
transaction2.rollback().unwrap();
let rows = transaction
.query("SELECT id FROM foo ORDER BY id", &[])
.unwrap();
assert_eq!(rows.len(), 1);
assert_eq!(rows[0].get::<_, i32>(0), 1);
let mut transaction3 = transaction.transaction().unwrap();
transaction3
.execute("INSERT INTO foo (id) VALUES(3)", &[])
.unwrap();
let mut transaction4 = transaction3.transaction().unwrap();
transaction4
.execute("INSERT INTO foo (id) VALUES(4)", &[])
.unwrap();
transaction4.commit().unwrap();
transaction3.commit().unwrap();
transaction.commit().unwrap();
let rows = client.query("SELECT id FROM foo ORDER BY id", &[]).unwrap();
assert_eq!(rows.len(), 3);
assert_eq!(rows[0].get::<_, i32>(0), 1);
assert_eq!(rows[1].get::<_, i32>(0), 3);
assert_eq!(rows[2].get::<_, i32>(0), 4);
}
2018-12-23 05:42:03 +00:00
#[test]
fn copy_in() {
let mut client = Client::connect("host=localhost port=5433 user=postgres", NoTls).unwrap();
client
.batch_execute("CREATE TEMPORARY TABLE foo (id INT, name TEXT)")
.unwrap();
client
.copy_in(
"COPY foo FROM stdin",
&[],
&mut &b"1\tsteven\n2\ttimothy"[..],
)
.unwrap();
let rows = client
.query("SELECT id, name FROM foo ORDER BY id", &[])
.unwrap();
assert_eq!(rows.len(), 2);
assert_eq!(rows[0].get::<_, i32>(0), 1);
assert_eq!(rows[0].get::<_, &str>(1), "steven");
assert_eq!(rows[1].get::<_, i32>(0), 2);
assert_eq!(rows[1].get::<_, &str>(1), "timothy");
}
2018-12-23 21:08:02 +00:00
#[test]
fn copy_out() {
let mut client = Client::connect("host=localhost port=5433 user=postgres", NoTls).unwrap();
client
.batch_execute(
"
CREATE TEMPORARY TABLE foo (id INT, name TEXT);
INSERT INTO foo (id, name) VALUES (1, 'steven'), (2, 'timothy');
",
)
.unwrap();
let mut reader = client
.copy_out("COPY foo (id, name) TO STDOUT", &[])
.unwrap();
let mut s = String::new();
reader.read_to_string(&mut s).unwrap();
assert_eq!(s, "1\tsteven\n2\ttimothy\n");
client.batch_execute("SELECT 1").unwrap();
}