1
0
mirror of https://github.com/danog/postgres.git synced 2024-12-02 17:37:57 +01:00
postgres/test/AbstractLinkTest.php
2020-10-11 11:49:15 -05:00

686 lines
19 KiB
PHP

<?php
namespace Amp\Postgres\Test;
use Amp\Delayed;
use Amp\Loop;
use Amp\PHPUnit\AsyncTestCase;
use Amp\Pipeline;
use Amp\Postgres\Link;
use Amp\Postgres\Listener;
use Amp\Postgres\QueryExecutionError;
use Amp\Postgres\Transaction;
use Amp\Sql\QueryError;
use Amp\Sql\Result;
use Amp\Sql\Statement;
use Amp\Sql\Transaction as SqlTransaction;
use Amp\Sql\TransactionError;
use function Amp\async;
use function Amp\asyncCallable;
use function Amp\await;
abstract class AbstractLinkTest extends AsyncTestCase
{
protected Link $link;
/**
* @return array Start test data for database.
*/
public function getData(): array
{
return [
['amphp', 'org'],
['github', 'com'],
['google', 'com'],
['php', 'net'],
];
}
/**
* @param string $connectionString
*
* @return Link Connection or Link object to be tested.
*/
abstract public function createLink(string $connectionString): Link;
public function setUp(): void
{
parent::setUp();
$this->link = $this->createLink('host=localhost user=postgres');
}
public function testQueryWithTupleResult()
{
$result = $this->link->query("SELECT * FROM test");
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
$this->assertNull($result->getNextResult());
}
public function testMultipleQueryWithTupleResult()
{
$result = $this->link->query("SELECT * FROM test; SELECT * FROM test");
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
$result = $result->getNextResult();
$this->assertInstanceOf(Result::class, $result);
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
$this->assertNull($result->getNextResult());
}
public function testMultipleQueryWithCommandResultFirst()
{
$result = $this->link->query("INSERT INTO test (domain, tld) VALUES ('gitlab', 'com'); SELECT * FROM test");
$this->assertNull($result->continue());
$this->assertSame(1, $result->getRowCount());
$result = $result->getNextResult();
$this->assertInstanceOf(Result::class, $result);
$data = $this->getData();
$data[] = ['gitlab', 'com']; // Add inserted row to expected data.
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
$this->assertNull($result->getNextResult());
}
public function testMultipleQueryWithCommandResultSecond()
{
$result = $this->link->query("SELECT * FROM test; INSERT INTO test (domain, tld) VALUES ('gitlab', 'com')");
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
$result = $result->getNextResult();
$this->assertNull($result->continue());
$this->assertSame(1, $result->getRowCount());
$this->assertNull($result->getNextResult());
}
public function testQueryWithUnconsumedTupleResult()
{
$result = $this->link->query("SELECT * FROM test");
$this->assertInstanceOf(Result::class, $result);
unset($result); // Force destruction of result object.
$result = $this->link->query("SELECT * FROM test");
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
}
public function testMultipleQueries()
{
$result = $this->link->query("SELECT * FROM test; INSERT INTO test (domain, tld) VALUES ('gitlab', 'com'); SELECT * FROM test");
$this->assertInstanceOf(Result::class, $result);
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
$result = $result->getNextResult();
$this->assertNull($result->continue());
$this->assertSame(1, $result->getRowCount());
$result = $result->getNextResult();
$this->assertInstanceOf(Result::class, $result);
$data = $this->getData();
$data[] = ['gitlab', 'com']; // Add inserted row to expected data.
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
$this->assertNull($result->getNextResult());
$this->assertNull($result->getNextResult());
}
public function testQueryWithCommandResult()
{
$result = $this->link->query("INSERT INTO test VALUES ('canon', 'jp')");
$this->assertInstanceOf(Result::class, $result);
$this->assertSame(1, $result->getRowCount());
}
public function testQueryWithEmptyQuery()
{
$this->expectException(QueryError::class);
$this->link->query('');
}
public function testQueryWithSyntaxError()
{
/** @var Result $result */
try {
$result = $this->link->query("SELECT & FROM test");
$this->fail(\sprintf("An instance of %s was expected to be thrown", QueryExecutionError::class));
} catch (QueryExecutionError $exception) {
$diagnostics = $exception->getDiagnostics();
$this->assertArrayHasKey("sqlstate", $diagnostics);
}
}
public function testPrepare()
{
$query = "SELECT * FROM test WHERE domain=\$1";
/** @var Statement $statement */
$statement = $this->link->prepare($query);
$this->assertSame($query, $statement->getQuery());
$data = $this->getData()[0];
$result = $statement->execute([$data[0]]);
while ($row = $result->continue()) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
}
/**
* @depends testPrepare
*/
public function testPrepareWithNamedParams()
{
$query = "SELECT * FROM test WHERE domain=:domain AND tld=:tld";
$statement = $this->link->prepare($query);
$data = $this->getData()[0];
$this->assertSame($query, $statement->getQuery());
$result = $statement->execute(['domain' => $data[0], 'tld' => $data[1]]);
while ($row = $result->continue()) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
}
/**
* @depends testPrepare
*/
public function testPrepareWithUnnamedParams()
{
$query = "SELECT * FROM test WHERE domain=? AND tld=?";
$statement = $this->link->prepare($query);
$data = $this->getData()[0];
$this->assertSame($query, $statement->getQuery());
$result = $statement->execute([$data[0], $data[1]]);
while ($row = $result->continue()) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
}
/**
* @depends testPrepare
*/
public function testPrepareWithNamedParamsWithDataAppearingAsNamedParam()
{
$query = "SELECT * FROM test WHERE domain=:domain OR domain=':domain'";
$statement = $this->link->prepare($query);
$data = $this->getData()[0];
$this->assertSame($query, $statement->getQuery());
$result = $statement->execute(['domain' => $data[0]]);
$this->assertInstanceOf(Result::class, $result);
while ($row = $result->continue()) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
}
/**
* @depends testPrepare
*/
public function testPrepareInvalidQuery()
{
$this->expectException(QueryExecutionError::class);
$this->expectExceptionMessage('column "invalid" does not exist');
$query = "SELECT * FROM test WHERE invalid=\$1";
$this->link->prepare($query);
}
/**
* @depends testPrepare
*/
public function testPrepareSameQuery()
{
$sql = "SELECT * FROM test WHERE domain=\$1";
$statement1 = $this->link->prepare($sql);
$statement2 = $this->link->prepare($sql);
$this->assertInstanceOf(Statement::class, $statement1);
$this->assertInstanceOf(Statement::class, $statement2);
unset($statement1);
$data = $this->getData()[0];
$result = $statement2->execute([$data[0]]);
while ($row = $result->continue()) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
}
/**
* @depends testPrepareSameQuery
*/
public function testSimultaneousPrepareSameQuery()
{
$sql = "SELECT * FROM test WHERE domain=\$1";
$statement1 = async(fn() => $this->link->prepare($sql));
$statement2 = async(fn() => $this->link->prepare($sql));
[$statement1, $statement2] = await([$statement1, $statement2]);
$data = $this->getData()[0];
$result = $statement1->execute([$data[0]]);
while ($row = $result->continue()) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
unset($statement1);
$result = $statement2->execute([$data[0]]);
while ($row = $result->continue()) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
}
public function testPrepareSimilarQueryReturnsDifferentStatements()
{
$statement1 = async(fn() => $this->link->prepare("SELECT * FROM test WHERE domain=\$1"));
$statement2 = async(fn() => $this->link->prepare("SELECT * FROM test WHERE domain=:domain"));
[$statement1, $statement2] = await([$statement1, $statement2]);
$this->assertInstanceOf(Statement::class, $statement1);
$this->assertInstanceOf(Statement::class, $statement2);
$this->assertNotSame($statement1, $statement2);
$data = $this->getData()[0];
$results = [];
$results[] = Pipeline\toArray($statement1->execute([$data[0]]));
$results[] = Pipeline\toArray($statement2->execute(['domain' => $data[0]]));
foreach ($results as $result) {
/** @var Result $result */
foreach ($result as $row) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
}
}
public function testPrepareThenExecuteWithUnconsumedTupleResult()
{
$statement = $this->link->prepare("SELECT * FROM test");
$result = $statement->execute();
unset($result); // Force destruction of result object.
$result = $statement->execute();
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
}
public function testExecute()
{
$data = $this->getData()[0];
$result = $this->link->execute("SELECT * FROM test WHERE domain=\$1", [$data[0]]);
while ($row = $result->continue()) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
}
/**
* @depends testExecute
*/
public function testExecuteWithNamedParams()
{
$data = $this->getData()[0];
$result = $this->link->execute(
"SELECT * FROM test WHERE domain=:domain",
['domain' => $data[0]]
);
$this->assertInstanceOf(Result::class, $result);
while ($row = $result->continue()) {
$this->assertSame($data[0], $row['domain']);
$this->assertSame($data[1], $row['tld']);
}
}
/**
* @depends testExecute
*/
public function testExecuteWithInvalidParams()
{
$this->expectException(\Error::class);
$this->expectExceptionMessage("Value for unnamed parameter at position 0 missing");
$this->link->execute("SELECT * FROM test WHERE domain=\$1");
}
/**
* @depends testExecute
*/
public function testExecuteWithInvalidNamedParams()
{
$this->expectException(\Error::class);
$this->expectExceptionMessage("Value for named parameter 'domain' missing");
$this->link->execute("SELECT * FROM test WHERE domain=:domain", ['tld' => 'com']);
}
/**
* @depends testQueryWithTupleResult
*/
public function testSimultaneousQuery()
{
$callback = asyncCallable(function ($value) {
$result = $this->link->query("SELECT {$value} as value");
if ($value) {
new Delayed(100);
}
while ($row = $result->continue()) {
$this->assertEquals($value, $row['value']);
}
});
await([$callback(0), $callback(1)]);
}
/**
* @depends testSimultaneousQuery
*/
public function testSimultaneousQueryWithOneFailing()
{
$callback = asyncCallable(function ($query) {
$result = $this->link->query($query);
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
return $result;
});
$result = null;
try {
$successful = $callback("SELECT * FROM test");
$failing = $callback("SELECT & FROM test");
$result = await($successful);
await($failing);
} catch (QueryError $exception) {
$this->assertInstanceOf(Result::class, $result);
return;
}
$this->fail(\sprintf("Test did not throw an instance of %s", QueryError::class));
}
public function testSimultaneousQueryAndPrepare()
{
$promises = [];
$promises[] = async(function () {
$result = $this->link->query("SELECT * FROM test");
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
});
$promises[] = async(function () {
$statement = ($this->link->prepare("SELECT * FROM test"));
$result = $statement->execute();
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
});
await($promises);
}
public function testSimultaneousPrepareAndExecute()
{
$promises[] = async(function () {
$statement = $this->link->prepare("SELECT * FROM test");
$result = $statement->execute();
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
});
$promises[] = async(function () {
$result = $this->link->execute("SELECT * FROM test");
$data = $this->getData();
for ($i = 0; $row = $result->continue(); ++$i) {
$this->assertSame($data[$i][0], $row['domain']);
$this->assertSame($data[$i][1], $row['tld']);
}
});
await($promises);
}
public function testTransaction()
{
$isolation = SqlTransaction::ISOLATION_COMMITTED;
$transaction = $this->link->beginTransaction($isolation);
$this->assertInstanceOf(Transaction::class, $transaction);
$data = $this->getData()[0];
$this->assertTrue($transaction->isAlive());
$this->assertTrue($transaction->isActive());
$this->assertSame($isolation, $transaction->getIsolationLevel());
$transaction->createSavepoint('test');
$statement = $transaction->prepare("SELECT * FROM test WHERE domain=:domain");
$result = $statement->execute(['domain' => $data[0]]);
$this->assertInstanceOf(Result::class, $result);
unset($result); // Force destruction of result object.
$result = $transaction->execute("SELECT * FROM test WHERE domain=\$1 FOR UPDATE", [$data[0]]);
$this->assertInstanceOf(Result::class, $result);
unset($result); // Force destruction of result object.
$transaction->rollbackTo('test');
$transaction->commit();
$this->assertFalse($transaction->isAlive());
$this->assertFalse($transaction->isActive());
try {
$result = $transaction->execute("SELECT * FROM test");
$this->fail('Query should fail after transaction commit');
} catch (TransactionError $exception) {
// Exception expected.
}
}
public function testListen()
{
$channel = "test";
$listener = $this->link->listen($channel);
$this->assertInstanceOf(Listener::class, $listener);
$this->assertSame($channel, $listener->getChannel());
Loop::delay(100, asyncCallable(function () use ($channel) {
$this->link->query(\sprintf("NOTIFY %s, '%s'", $channel, '0'));
$this->link->query(\sprintf("NOTIFY %s, '%s'", $channel, '1'));
}));
$count = 0;
Loop::delay(200, asyncCallable(function () use ($listener) {
$listener->unlisten();
}));
while ($notification = $listener->continue()) {
$this->assertSame($notification->payload, (string) $count++);
}
$this->assertSame(2, $count);
}
/**
* @depends testListen
*/
public function testNotify()
{
$channel = "test";
$listener = $this->link->listen($channel);
Loop::delay(100, asyncCallable(function () use ($channel) {
$this->link->notify($channel, '0');
$this->link->notify($channel, '1');
}));
$count = 0;
Loop::delay(200, asyncCallable(function () use ($listener) {
$listener->unlisten();
}));
while ($notification = $listener->continue()) {
$this->assertSame($notification->payload, (string) $count++);
}
$this->assertSame(2, $count);
}
/**
* @depends testListen
*/
public function testListenOnSameChannel()
{
$this->expectException(QueryError::class);
$this->expectExceptionMessage('Already listening on channel');
$channel = "test";
await([$this->link->listen($channel), $this->link->listen($channel)]);
}
}