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Merge remote-tracking branch 'itexia/auto-detect-file-has-heading'

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# Conflicts:
#	tests/methods/ParseTest.php
This commit is contained in:
Christian Bläul
2018-03-10 12:46:36 +01:00
parent 086cd15b44 fb9325884d
commit 3cc20fbb47
2 changed files with 70 additions and 2 deletions
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43
src/extensions/DatatypeTrait.php
View File

@@ -2,6 +2,8 @@
namespace ParseCsv\extensions;
use ParseCsv\enums\DatatypeEnum;
trait DatatypeTrait {
/**
@@ -47,7 +49,7 @@ trait DatatypeTrait {
*
* @access public
*
* @uses getDatatypeFromString
* @uses DatatypeEnum::getValidTypeFromSample
*
* @return array|bool
*/
@@ -62,7 +64,7 @@ trait DatatypeTrait {
$result = [];
foreach ($this->titles as $cName) {
$column = array_column($this->data, $cName);
$cDatatypes = array_map('ParseCsv\enums\DatatypeEnum::getValidTypeFromSample', $column);
$cDatatypes = array_map(DatatypeEnum::class . '::getValidTypeFromSample', $column);
$result[$cName] = $this->getMostFrequentDatatypeForColumn($cDatatypes);
}
@@ -71,4 +73,41 @@ trait DatatypeTrait {
return !empty($this->data_types) ? $this->data_types : [];
}
/**
* Check data type of titles / first row for auto detecting if this could be
* a heading line.
*
* Requires PHP >= 5.5
*
* @access public
*
* @uses DatatypeEnum::getValidTypeFromSample
*
* @return bool
*/
public function autoDetectFileHasHeading(){
if (empty($this->data)){
throw new \UnexpectedValueException('No data set yet.');
}
if ($this->heading){
$firstRow = $this->titles;
} else {
$firstRow = $this->data[0];
}
$firstRow = array_filter($firstRow);
if (empty($firstRow)){
return false;
}
$firstRowDatatype = array_map(DatatypeEnum::class . '::getValidTypeFromSample', $firstRow);
if ($this->getMostFrequentDatatypeForColumn($firstRowDatatype) !== DatatypeEnum::TYPE_STRING){
return false;
}
return true;
}
}

29
tests/methods/ParseTest.php
View File

@@ -179,6 +179,35 @@ class ParseTest extends TestCase {
$this->assertEquals($expected, array_keys($this->csv->data[0]));
}
/**
* @depends testSepRowAutoDetection
*/
public function testAutoDetectFileHasHeading(){
if (!function_exists('array_column')) {
// getDatatypes requires array_column, but that
// function is only available in PHP >= 5.5
return;
}
$this->csv->auto(__DIR__ . '/fixtures/datatype.csv');
$this->assertTrue($this->csv->autoDetectFileHasHeading());
$this->csv->heading = false;
$this->csv->auto(__DIR__ . '/fixtures/datatype.csv');
$this->assertTrue($this->csv->autoDetectFileHasHeading());
$this->csv->heading = false;
$sInput = "86545235689\r\n34365587654\r\n13469874576";
$this->csv->auto($sInput);
$this->assertFalse($this->csv->autoDetectFileHasHeading());
$this->csv->heading = true;
$sInput = "86545235689\r\n34365587654\r\n13469874576";
$this->csv->auto($sInput);
$this->assertFalse($this->csv->autoDetectFileHasHeading());
}
protected function _get_magazines_data() {
return [
[