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<?php
/**
* Copyright 2018 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\BigQuery\Tests;
use Google\Cloud\BigQuery\BigQueryClient;
use Google\Cloud\Storage\StorageClient;
use Google\Cloud\TestUtils\TestTrait;
use Google\Cloud\TestUtils\EventuallyConsistentTestTrait;
use PHPUnit\Framework\TestCase;
/**
* Unit Tests for BigQuery snippets.
*/
class FunctionsTest extends TestCase
{
use TestTrait;
use EventuallyConsistentTestTrait;
private static $datasetId;
private static $dataset;
private static $tempTables = [];
public static function setUpBeforeClass()
{
self::$projectId = self::requireEnv('GOOGLE_PROJECT_ID');
$client = new BigQueryClient([
'projectId' => self::$projectId,
]);
self::$datasetId = sprintf('temp_dataset_%s', time());
self::$dataset = $client->createDataset(self::$datasetId);
}
public function testBigQueryClient()
{
$projectId = self::$projectId;
$bigQuery = require __DIR__ . '/../src/bigquery_client.php';
$this->assertInstanceOf(
\Google\Cloud\BigQuery\BigQueryClient::class,
$bigQuery
);
}
public function testBrowseTable()
{
$tableId = $this->createTempTable();
$output = $this->runSnippet('browse_table', [
self::$datasetId,
$tableId,
]);
$this->assertContains('Brent Shaffer', $output);
}
public function testCopyTable()
{
$sourceTableId = $this->createTempTable();
$destinationTableId = sprintf('test_copy_table_%s', time());
// run the import
$output = $this->runSnippet('copy_table', [
self::$datasetId,
$sourceTableId,
$destinationTableId,
]);
$destinationTable = self::$dataset->table($destinationTableId);
$this->assertContains('Table copied successfully', $output);
$this->verifyTable($destinationTable, 'Brent Shaffer', 3);
}
public function testCreateAndDeleteDataset()
{
$tempDatasetId = sprintf('test_dataset_%s', time());
$output = $this->runSnippet('create_dataset', [$tempDatasetId]);
$this->assertContains('Created dataset', $output);
// delete the dataset
$output = $this->runSnippet('delete_dataset', [$tempDatasetId]);
$this->assertContains('Deleted dataset', $output);
}
public function testCreateAndDeleteTable()
{
$tempTableId = sprintf('test_table_%s', time());
$output = $this->runSnippet('create_table', [
self::$datasetId,
$tempTableId
]);
$this->assertContains('Created table', $output);
// delete the table
$output = $this->runSnippet('delete_table', [
self::$datasetId,
$tempTableId
]);
$this->assertContains('Deleted table', $output);
}
public function testExtractTable()
{
$bucketName = $this->requireEnv('GOOGLE_STORAGE_BUCKET');
$tableId = $this->createTempTable();
// run the import
$output = $this->runSnippet('extract_table', [
self::$datasetId,
$tableId,
$bucketName
]);
// verify the contents of the bucket
$storage = new StorageClient([
'projectId' => self::$projectId,
]);
$object = $storage->bucket($bucketName)->objects(['prefix' => $tableId])->current();
$contents = $object->downloadAsString();
$this->assertContains('Brent Shaffer', $contents);
$this->assertContains('Takashi Matsuo', $contents);
$this->assertContains('Jeffrey Rennie', $contents);
$object->delete();
$this->assertFalse($object->exists());
}
public function testGetTable()
{
$projectId = self::$projectId;
$datasetId = self::$datasetId;
$tableId = $this->createTempEmptyTable();
$table = require __DIR__ . '/../src/get_table.php';
$this->assertInstanceOf(
\Google\Cloud\BigQuery\Table::class,
$table
);
}
public function testImportFromFile()
{
$source = __DIR__ . '/data/test_data.csv';
// create the temp table to import
$tempTableId = $this->createTempEmptyTable();
// run the import
$output = $this->runSnippet('import_from_local_csv', [
self::$datasetId,
$tempTableId,
$source,
]);
$tempTable = self::$dataset->table($tempTableId);
$this->assertContains('Data imported successfully', $output);
$this->verifyTable($tempTable, 'Brent Shaffer', 3);
}
/**
* @dataProvider provideImportFromStorage
*/
public function testImportFromStorage($snippet, $runTruncateSnippet = false)
{
// run the import
$output = $this->runSnippet($snippet, [
self::$datasetId,
]);
$this->assertContains('Data imported successfully', $output);
$tableId = 'us_states';
// verify table contents
$table = self::$dataset->table($tableId);
self::$tempTables[] = $table;
$this->verifyTable($table, 'Washington', 50);
if ($runTruncateSnippet) {
$truncateSnippet = sprintf('%s_truncate', $snippet);
$output = $this->runSnippet($truncateSnippet, [
self::$datasetId,
$tableId,
]);
$this->assertContains('Data imported successfully', $output);
$this->verifyTable($table, 'Washington', 50);
}
}
public function provideImportFromStorage()
{
return [
['import_from_storage_csv', true],
['import_from_storage_json', true],
['import_from_storage_orc', true],
['import_from_storage_parquet', true],
['import_from_storage_csv_autodetect'],
['import_from_storage_json_autodetect'],
];
}
public function testInsertSql()
{
// create the temp table to import
$tempTableId = $this->createTempEmptyTable();
// Write a temp file so we use the temp table in the sql source
file_put_contents(
$tmpFile = sprintf('%s/%s.sql', sys_get_temp_dir(), $tempTableId),
strtr(
file_get_contents(__DIR__ . '/data/test_data.sql'),
['test_table' => $tempTableId]
)
);
// run the import
$output = $this->runSnippet('insert_sql', [
self::$datasetId,
$tmpFile,
]);
$tempTable = self::$dataset->table($tempTableId);
$this->assertContains('Data imported successfully', $output);
$this->verifyTable($tempTable, 'Brent Shaffer', 3);
}
public function testListDatasets()
{
$output = $this->runSnippet('list_datasets');
$this->assertContains(self::$datasetId, $output);
}
public function testListTables()
{
$tempTableId = $this->createTempEmptyTable();
$output = $this->runSnippet('list_tables', [self::$datasetId]);
$this->assertContains($tempTableId, $output);
}
public function testStreamRow()
{
$tempTableId = $this->createTempEmptyTable();
// run the import
$output = $this->runSnippet('stream_row', [
self::$datasetId,
$tempTableId,
json_encode(['name' => 'Brent Shaffer', 'title' => 'Developer'])
]);
$tempTable = self::$dataset->table($tempTableId);
$this->assertcontains('Data streamed into BigQuery successfully', $output);
$this->verifyTable($tempTable, 'Brent Shaffer', 1);
}
public function testRunQuery()
{
$query = 'SELECT corpus, COUNT(*) as unique_words
FROM `publicdata.samples.shakespeare` GROUP BY corpus LIMIT 10';
$output = $this->runSnippet('run_query', [$query]);
$this->assertContains('hamlet', $output);
$this->assertContains('kinglear', $output);
$this->assertContains('Found 10 row(s)', $output);
}
public function testRunQueryAsJob()
{
$tableId = $this->createTempTable();
$query = sprintf(
'SELECT * FROM `%s.%s` LIMIT 1',
self::$datasetId,
$tableId
);
$output = $this->runSnippet('run_query_as_job', [$query]);
$this->assertContains('Found 1 row(s)', $output);
}
private function runSnippet($sampleName, $params = [])
{
$argv = array_merge([0, self::$projectId], $params);
ob_start();
require __DIR__ . "/../src/$sampleName.php";
return ob_get_clean();
}
private function createTempEmptyTable()
{
$tempTableId = sprintf('test_table_%s_%s', time(), rand());
$this->runSnippet('create_table', [
self::$datasetId,
$tempTableId,
json_encode([
['name' => 'name', 'type' => 'string', 'mode' => 'nullable'],
['name' => 'title', 'type' => 'string', 'mode' => 'nullable']
])
]);
return $tempTableId;
}
private function createTempTable()
{
$tempTableId = $this->createTempEmptyTable();
$source = __DIR__ . '/data/test_data.csv';
$output = $this->runSnippet('import_from_local_csv', [
self::$datasetId,
$tempTableId,
$source,
]);
return $tempTableId;
}
private function verifyTable($table, $expectedValue, $expectedRowCount)
{
$testFunction = function () use ($table, $expectedValue, $expectedRowCount) {
$numRows = 0;
$foundValue = false;
foreach ($table->rows([]) as $row) {
foreach ($row as $column => $value) {
if ($value == $expectedValue) {
$foundValue = true;
}
}
$numRows++;
}
$this->assertTrue($foundValue);
$this->assertEquals($numRows, $expectedRowCount);
};
$this->runEventuallyConsistentTest($testFunction);
}
public function tearDown()
{
if (self::$tempTables) {
while ($tempTable = array_pop(self::$tempTables)) {
$tempTable->delete();
}
}
}
public static function tearDownAfterClass()
{
self::$dataset->delete(['deleteContents' => true]);
}
}
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