| @@ 24-35 (lines=12) @@ | ||
| 21 | $this->tracks = $tracks; |
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| 22 | } |
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| 23 | ||
| 24 | private function assertThatTheseAreAllTracks(array $tracks) |
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| 25 | { |
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| 26 | foreach ($tracks as $track) { |
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| 27 | if (! ($track instanceof TrackInfo)) { |
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| 28 | throw new \InvalidArgumentException(sprintf( |
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| 29 | 'Expected "%s", but instead got: "%s"', |
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| 30 | TrackInfo::class, |
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| 31 | is_object($track) ? get_class($track) : gettype($track) |
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| 32 | )); |
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| 33 | } |
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| 34 | } |
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| 35 | } |
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| 36 | ||
| 37 | public function current() |
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| 38 | { |
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| @@ 32-47 (lines=16) @@ | ||
| 29 | } |
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| 30 | } |
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| 31 | ||
| 32 | private function assertThatTheseAreAllArtists(array $artists) |
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| 33 | { |
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| 34 | if (empty($artists)) { |
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| 35 | throw new InvalidArgumentException('A track should always have an artist'); |
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| 36 | } |
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| 37 | ||
| 38 | foreach ($artists as $artist) { |
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| 39 | if (! ($artist instanceof Artist)) { |
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| 40 | throw new \InvalidArgumentException(sprintf( |
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| 41 | 'Expected "%s", but instead got: "%s"', |
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| 42 | Artist::class, |
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| 43 | is_object($artist) ? get_class($artist) : gettype($artist) |
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| 44 | )); |
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| 45 | } |
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| 46 | } |
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| 47 | } |
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| 48 | ||
| 49 | public function getName() |
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| 50 | { |
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