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rcsofttech85rcsofttech85
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search a keyword in csv file
Signed-off-by: rahul <rcsofttech85@gmail.com>
1 parent b5a9819 commit d51a095

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‎invalid.csv‎

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rahul,chavan
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hello

‎movie.csv‎

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Film,Genre,Lead Studio,Audience score %,Profitability,Rotten Tomatoes %,Worldwide Gross,Year
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Zack and Miri Make a Porno,Romance,The Weinstein Company,70,1.747541667,64,$41.94 ,2008
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Youth in Revolt,Comedy,The Weinstein Company,52,1.09,68,$19.62 ,2010
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You Will Meet a Tall Dark Stranger,Comedy,Independent,35,1.211818182,43,$26.66 ,2010
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When in Rome,Comedy,Disney,44,0,15,$43.04 ,2010
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What Happens in Vegas,Comedy,Fox,72,6.267647029,28,$219.37 ,2008
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Water For Elephants,Drama,20th Century Fox,72,3.081421053,60,$117.09 ,2011
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WALL-E,Animation,Disney,89,2.896019067,96,$521.28 ,2008
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Waitress,Romance,Independent,67,11.0897415,89,$22.18 ,2007
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Waiting For Forever,Romance,Independent,53,0.005,6,$0.03 ,2011
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Valentine's Day,Comedy,Warner Bros.,54,4.184038462,17,$217.57 ,2010
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Tyler Perry's Why Did I get Married,Romance,Independent,47,3.7241924,46,$55.86 ,2007
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Twilight: Breaking Dawn,Romance,Independent,68,6.383363636,26,$702.17 ,2011
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Twilight,Romance,Summit,82,10.18002703,49,$376.66 ,2008
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The Ugly Truth,Comedy,Independent,68,5.402631579,14,$205.30 ,2009
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The Twilight Saga: New Moon,Drama,Summit,78,14.1964,27,$709.82 ,2009
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The Time Traveler's Wife,Drama,Paramount,65,2.598205128,38,$101.33 ,2009
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The Proposal,Comedy,Disney,74,7.8675,43,$314.70 ,2009
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The Invention of Lying,Comedy,Warner Bros.,47,1.751351351,56,$32.40 ,2009
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The Heartbreak Kid,Comedy,Paramount,41,2.129444167,30,$127.77 ,2007
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The Duchess,Drama,Paramount,68,3.207850222,60,$43.31 ,2008
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The Curious Case of Benjamin Button,Fantasy,Warner Bros.,81,1.78394375,73,$285.43 ,2008
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The Back-up Plan,Comedy,CBS,47,2.202571429,20,$77.09 ,2010
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Tangled,Animation,Disney,88,1.365692308,89,$355.01 ,2010
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Something Borrowed,Romance,Independent,48,1.719514286,15,$60.18 ,2011
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She's Out of My League,Comedy,Paramount,60,2.4405,57,$48.81 ,2010
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Sex and the City Two,Comedy,Warner Bros.,49,2.8835,15,$288.35 ,2010
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Sex and the City 2,Comedy,Warner Bros.,49,2.8835,15,$288.35 ,2010
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Sex and the City,Comedy,Warner Bros.,81,7.221795791,49,$415.25 ,2008
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Remember Me,Drama,Summit,70,3.49125,28,$55.86 ,2010
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Rachel Getting Married,Drama,Independent,61,1.384166667,85,$16.61 ,2008
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Penelope,Comedy,Summit,74,1.382799733,52,$20.74 ,2008
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P.S. I Love You,Romance,Independent,82,5.103116833,21,$153.09 ,2007
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Over Her Dead Body,Comedy,New Line,47,2.071,15,$20.71 ,2008
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Our Family Wedding,Comedy,Independent,49,0,14,$21.37 ,2010
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One Day,Romance,Independent,54,3.682733333,37,$55.24 ,2011
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Not Easily Broken,Drama,Independent,66,2.14,34,$10.70 ,2009
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No Reservations,Comedy,Warner Bros.,64,3.307180357,39,$92.60 ,2007
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Nick and Norah's Infinite Playlist,Comedy,Sony,67,3.3527293,73,$33.53 ,2008
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New Year's Eve,Romance,Warner Bros.,48,2.536428571,8,$142.04 ,2011
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My Week with Marilyn,Drama,The Weinstein Company,84,0.8258,83,$8.26 ,2011
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Music and Lyrics,Romance,Warner Bros.,70,3.64741055,63,$145.90 ,2007
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Monte Carlo,Romance,20th Century Fox,50,1.9832,38,$39.66 ,2011
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Miss Pettigrew Lives for a Day,Comedy,Independent,70,0.2528949,78,$15.17 ,2008
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Midnight in Paris,Romence,Sony,84,8.744705882,93,$148.66 ,2011
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Marley and Me,Comedy,Fox,77,3.746781818,63,$206.07 ,2008
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Mamma Mia!,Comedy,Universal,76,9.234453864,53,$609.47 ,2008
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Mamma Mia!,Comedy,Universal,76,9.234453864,53,$609.47 ,2008
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Made of Honor,Comdy,Sony,61,2.64906835,13,$105.96 ,2008
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Love Happens,Drama,Universal,40,2.004444444,18,$36.08 ,2009
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Love & Other Drugs,Comedy,Fox,55,1.817666667,48,$54.53 ,2010
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Life as We Know It,Comedy,Independent,62,2.530526316,28,$96.16 ,2010
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License to Wed,Comedy,Warner Bros.,55,1.9802064,8,$69.31 ,2007
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Letters to Juliet,Comedy,Summit,62,2.639333333,40,$79.18 ,2010
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Leap Year,Comedy,Universal,49,1.715263158,21,$32.59 ,2010
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Knocked Up,Comedy,Universal,83,6.636401848,91,$219 ,2007
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Killers,Action,Lionsgate,45,1.245333333,11,$93.40 ,2010
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Just Wright,Comedy,Fox,58,1.797416667,45,$21.57 ,2010
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Jane Eyre,Romance,Universal,77,0,85,$30.15 ,2011
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It's Complicated,Comedy,Universal,63,2.642352941,56,$224.60 ,2009
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I Love You Phillip Morris,Comedy,Independent,57,1.34,71,$20.10 ,2010
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High School Musical 3: Senior Year,Comedy,Disney,76,22.91313646,65,$252.04 ,2008
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He's Just Not That Into You,Comedy,Warner Bros.,60,7.1536,42,$178.84 ,2009
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Good Luck Chuck,Comedy,Lionsgate,61,2.36768512,3,$59.19 ,2007
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Going the Distance,Comedy,Warner Bros.,56,1.3140625,53,$42.05 ,2010
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Gnomeo and Juliet,Animation,Disney,52,5.387972222,56,$193.97 ,2011
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Gnomeo and Juliet,Animation,Disney,52,5.387972222,56,$193.97 ,2011
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Ghosts of Girlfriends Past,Comedy,Warner Bros.,47,2.0444,27,$102.22 ,2009
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Four Christmases,Comedy,Warner Bros.,52,2.022925,26,$161.83 ,2008
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Fireproof,Drama,Independent,51,66.934,40,$33.47 ,2008
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Enchanted,Comedy,Disney,80,4.005737082,93,$340.49 ,2007
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Dear John,Drama,Sony,66,4.5988,29,$114.97 ,2010
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Beginners,Comedy,Independent,80,4.471875,84,$14.31 ,2011
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Across the Universe,romance,Independent,84,0.652603178,54,$29.37 ,2007
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A Serious Man,Drama,Universal,64,4.382857143,89,$30.68 ,2009
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A Dangerous Method,Drama,Independent,89,0.44864475,79,$8.97 ,2011
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27 Dresses,Comedy,Fox,71,5.3436218,40,$160.31 ,2008
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(500) Days of Summer,comedy,Fox,81,8.096,87,$60.72 ,2009

‎src/Exception/InvalidFileException.php‎

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<?php
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namespace rcsofttech85\FileHandler\Exception;
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use Exception;
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use Throwable;
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class InvalidFileException extends Exception
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{
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public function __construct($message = "invalid file format", $code = 0, Throwable $previous = null)
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{
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parent::__construct($message, $code, $previous);
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}
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}

‎src/FileHandler.php‎

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namespace rcsofttech85\FileHandler;
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use Generator;
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use rcsofttech85\FileHandler\Exception\CouldNotWriteFileException;
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use rcsofttech85\FileHandler\Exception\FileNotClosedException;
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use rcsofttech85\FileHandler\Exception\FileNotFoundException;
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use rcsofttech85\FileHandler\Exception\InvalidFileException;
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class FileHandler
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{
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}
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}
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public function searchInCsvFile(string $keyword, int $offset = 0): bool
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{
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return $this->search($keyword, $offset);
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}
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private function getRows(): Generator
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{
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foreach ($this->files as $file) {
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while (($row = fgetcsv($file)) !== false) {
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if (count($row) < 2 || !is_array($row)) {
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throw new InvalidFileException();
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}
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yield $row;
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}
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fclose($file);
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}
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}
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private function search(string $keyword, int $offset): bool
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{
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foreach ($this->getRows() as $row) {
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if ($keyword === $row[$offset]) {
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return true;
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}
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}
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return false;
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}
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}

‎tests/FileHandlerTest.php‎

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<?php
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use PHPUnit\Framework\Attributes\DataProvider;
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use PHPUnit\Framework\Attributes\Test;
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use PHPUnit\Framework\Attributes\TestDox;
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use PHPUnit\Framework\TestCase;
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use rcsofttech85\FileHandler\Exception\CouldNotWriteFileException;
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use rcsofttech85\FileHandler\Exception\FileNotFoundException;
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use rcsofttech85\FileHandler\Exception\InvalidFileException;
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use rcsofttech85\FileHandler\FileHandler;
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class FileHandlerTest extends TestCase
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$this->fileHandler = new FileHandler();
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fopen(filename: "file", mode: "w");
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}
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protected function tearDown(): void
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#[TestDox("should throw an exception if file is not writable")]
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public function should_throw_exception_if_file_is_not_writable()
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{
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$this->fileHandler->open(filename: 'file',mode: 'r');
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$this->fileHandler->open(filename: 'file', mode: 'r');
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$this->expectException(CouldNotWriteFileException::class);
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$this->expectExceptionMessage('Error writing to file');
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{
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$this->fileHandler->open(filename: 'file');
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$this->fileHandler->open(filename: 'file1',mode: 'w');
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$this->fileHandler->open(filename: 'file1', mode: 'w');
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$this->fileHandler->write(data: "hello world");
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#[Test]
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#[TestDox("check if files are closed are properly")]
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#[TestDox("checks if a movie exists in a collection by a name")]
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public function file_is_closed_properly()
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{
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$this->fileHandler->open(filename: 'file');
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$this->fileHandler->write(data: "fwrite(): supplied resource is not a valid stream resource");
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}
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#[Test]
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#[DataProvider('provide_movie_names')]
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#[TestDox('Movie with name $keyword exists in collection.')]
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public function movie_is_found_for_exact_name_match(string $keyword)
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{
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$isMovieAvailable = $this->fileHandler->open(filename: 'movie.csv')->searchInCsvFile(keyword: $keyword);
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$this->assertTrue($isMovieAvailable);
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}
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#[Test]
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public function should_throw_exception_if_not_valid_csv()
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{
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$this->expectException(InvalidFileException::class);
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$this->expectExceptionMessage("invalid file format");
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$this->fileHandler->open(filename: 'invalid.csv')->searchInCsvFile(keyword: 'hello');
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}
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public static function provide_movie_names(): iterable
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{
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yield ["The Ugly Truth"];
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yield ["Leap Year"];
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yield ["Twilight"];
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}
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}

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