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<?php

/**

* Copyright 2020 Google LLC

*

* 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.

*/

namespace Google\Cloud\Samples\CloudSQL\SQLServer\Tests;

use Google\Cloud\Samples\CloudSQL\SQLServer\Votes;

use PDO;

use PDOException;

use PDOStatement;

use PHPUnit\Framework\TestCase;

use Prophecy\Argument;

use Prophecy\PhpUnit\ProphecyTrait;

use RuntimeException;

class VotesTest extends TestCase

{

use ProphecyTrait;

private $conn;

public function setUp(): void

{

$this->conn = $this->prophesize(PDO::class);

}

public function testCreateTableIfNotExistsTableExists()

{

$stmt = $this->prophesize(PDOStatement::class);

$stmt->execute(['votes'])->shouldBeCalled();

$stmt->fetch(PDO::FETCH_ASSOC)

->shouldBeCalled()

->willReturn([

['TABLE_NAME' => 'votes']

]);

$this->conn->prepare(Argument::containingString('SELECT * FROM INFORMATION_SCHEMA.TABLES'))

->shouldBeCalled()

->willReturn($stmt->reveal());

$this->conn->exec(Argument::any())->shouldNotBeCalled();

$votes = new Votes($this->conn->reveal());

$votes->createTableIfNotExists();

}

public function testCreateTableIfNotExistsTableDoesNotExist()

{

$stmt = $this->prophesize(PDOStatement::class);

$stmt->execute(['votes'])->shouldBeCalled();

$stmt->fetch(PDO::FETCH_ASSOC)

->shouldBeCalled()

->willReturn([]);

$this->conn->prepare(Argument::containingString('SELECT * FROM INFORMATION_SCHEMA.TABLES'))

->shouldBeCalled()

->willReturn($stmt->reveal());

$this->conn->exec(Argument::containingString('CREATE TABLE votes'))

->shouldBeCalled();

$votes = new Votes($this->conn->reveal());

$votes->createTableIfNotExists();

}

public function testListVotes()

{

$rows = [

['foo' => 'bar']

];

$stmt = $this->prophesize(PDOStatement::class);

$stmt->execute()->shouldBeCalled();

$stmt->fetchAll(PDO::FETCH_ASSOC)->shouldBeCalled()

->willReturn($rows);

$this->conn->prepare(Argument::type('string'))

->shouldBeCalled()

->willReturn($stmt->reveal());

$votes = new Votes($this->conn->reveal());

$this->assertEquals($rows, $votes->listVotes());

}

public function testGetCountByValue()

{

$val = 'TABS';

$res = 10;

$stmt = $this->prophesize(PDOStatement::class);

$stmt->execute([$val])

->shouldBeCalled();

$stmt->fetch(PDO::FETCH_COLUMN)

->shouldBeCalled()

->willReturn((string) $res);

$this->conn->prepare(Argument::containingString('SELECT COUNT(vote_id)'))

->shouldBeCalled()

->willReturn($stmt->reveal());

$votes = new Votes($this->conn->reveal());

$this->assertEquals($res, $votes->getCountByValue($val));

}

public function testInsertVote()

{

$val = 'TABS';

$stmt = $this->prophesize(PDOStatement::class);

$stmt->bindParam('voteValue', $val)

->shouldBeCalled();

$stmt->execute()->shouldBeCalled()->willReturn(true);

$this->conn->prepare(Argument::containingString('INSERT INTO votes'))

->shouldBeCalled()

->willReturn($stmt->reveal());

$votes = new Votes($this->conn->reveal());

$this->assertTrue($votes->insertVote($val));

}

public function testInsertVoteFailed()

{

$this->expectException(RuntimeException::class);

$val = 'TABS';

$stmt = $this->prophesize(PDOStatement::class);

$stmt->bindParam('voteValue', $val)

->shouldBeCalled();

$stmt->execute()->shouldBeCalled()

->willThrow(new PDOException('Op failed'));

$this->conn->prepare(Argument::containingString('INSERT INTO votes'))

->shouldBeCalled()

->willReturn($stmt->reveal());

$votes = new Votes($this->conn->reveal());

$votes->insertVote($val);

}

}