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ENHANCEMENT Allowing diffs of has_one relationship in DataDifferencer (AIR-24)

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This commit is contained in:
Ingo Schommer 2011-08-29 22:23:22 +02:00
parent 6e1013e93b
commit 2ec2c97766
3 changed files with 107 additions and 5 deletions
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41
model/DataDifferencer.php
View File

@ -76,8 +76,12 @@ class DataDifferencer extends ViewableData {
$fields = array_keys($this->toRecord->getAllFields());
}
$hasOnes = $this->fromRecord->has_one();
// Loop through properties
foreach($fields as $field) {
if(in_array($field, $this->ignoredFields)) continue;
if(in_array($field, array_keys($hasOnes))) continue;
if(!$this->fromRecord) {
$diffed->setField($field, "<ins>" . $this->toRecord->$field . "</ins>");
@ -86,6 +90,43 @@ class DataDifferencer extends ViewableData {
}
}
// Loop through has_one
foreach($hasOnes as $relName => $relSpec) {
if(in_array($relName, $this->ignoredFields)) continue;
$relField = "{$relName}ID";
$relObjTo = $this->toRecord->$relName();
if(!$this->fromRecord) {
if($relObjTo) {
if($relObjTo instanceof Image) {
// Using relation name instead of database column name, because of FileField etc.
// TODO Use CMSThumbnail instead to limit max size, blocked by DataDifferencerTest and GC
// not playing nice with mocked images
$diffed->setField($relName, "<ins>" . $relObjTo->getTag() . "</ins>");
} else {
$diffed->setField($relField, "<ins>" . $relObjTo->Title() . "</ins>");
}
}
} else if($this->fromRecord->$relField != $this->toRecord->$relField) {
$relObjFrom = $this->fromRecord->$relName();
if($relObjFrom instanceof Image) {
// TODO Use CMSThumbnail (see above)
$diffed->setField(
// Using relation name instead of database column name, because of FileField etc.
$relName,
Diff::compareHTML($relObjFrom->getTag(), $relObjTo->getTag())
);
} else {
$diffed->setField(
$relField,
Diff::compareHTML($relObjFrom->getTitle(), $relObjTo->getTitle())
);
}
}
}
return $diffed;
}

57
tests/model/DataDifferencerTest.php
View File

@ -8,20 +8,44 @@ class DataDifferencerTest extends SapphireTest {
static $fixture_file = 'sapphire/tests/model/DataDifferencerTest.yml';
protected $extraDataObjects = array('DataDifferencerTest_Object');
protected $extraDataObjects = array(
'DataDifferencerTest_Object',
'DataDifferencerTest_HasOneRelationObject',
'DataDifferencerTest_MockImage',
);
function testArrayValues() {
$obj1 = $this->objFromFixture('DataDifferencerTest_Object', 'obj1');
// create a new version
$obj1->Choices = array('a');
$obj1->write();
$obj1v1 = Versioned::get_version('DataDifferencerTest_Object', $obj1->ID, 1);
$obj1v2 = Versioned::get_version('DataDifferencerTest_Object', $obj1->ID, 2);
$obj1v1 = Versioned::get_version('DataDifferencerTest_Object', $obj1->ID, $obj1->Version-1);
$obj1v2 = Versioned::get_version('DataDifferencerTest_Object', $obj1->ID, $obj1->Version);
$differ = new DataDifferencer($obj1v1, $obj1v2);
$obj1Diff = $differ->diffedData();
// TODO Using getter would split up field again, bug only caused by simulating
// an array-based value in the first place.
$this->assertContains('<ins>a</ins> <del>a,b</del>', $obj1Diff->getField('Choices'));
$this->assertContains('<ins>a</ins><del>a,b</del>', $obj1Diff->getField('Choices'));
}
function testHasOnes() {
$obj1 = $this->objFromFixture('DataDifferencerTest_Object', 'obj1');
$image1 = $this->objFromFixture('DataDifferencerTest_MockImage', 'image1');
$image2 = $this->objFromFixture('DataDifferencerTest_MockImage', 'image2');
$relobj1 = $this->objFromFixture('DataDifferencerTest_HasOneRelationObject', 'relobj1');
$relobj2 = $this->objFromFixture('DataDifferencerTest_HasOneRelationObject', 'relobj2');
// create a new version
$obj1->ImageID = $image2->ID;
$obj1->HasOneRelationID = $relobj2->ID;
$obj1->write();
$obj1v1 = Versioned::get_version('DataDifferencerTest_Object', $obj1->ID, $obj1->Version-1);
$obj1v2 = Versioned::get_version('DataDifferencerTest_Object', $obj1->ID, $obj1->Version);
$differ = new DataDifferencer($obj1v1, $obj1v2);
$obj1Diff = $differ->diffedData();
$this->assertContains($image1->Filename, $obj1Diff->getField('Image'));
$this->assertContains($image2->Filename, $obj1Diff->getField('Image'));
$this->assertContains('<ins>obj2</ins><del>obj1</del>', $obj1Diff->getField('HasOneRelationID'));
}
}
@ -33,6 +57,11 @@ class DataDifferencerTest_Object extends DataObject implements TestOnly {
'Choices' => "Varchar",
);
static $has_one = array(
'Image' => 'DataDifferencerTest_MockImage',
'HasOneRelation' => 'DataDifferencerTest_HasOneRelationObject'
);
function getCMSFields() {
$fields = parent::getCMSFields();
$choices = array(
@ -54,4 +83,24 @@ class DataDifferencerTest_Object extends DataObject implements TestOnly {
$this->setField('Choices', (is_array($val)) ? implode(',', $val) : $val);
}
}
class DataDifferencerTest_HasOneRelationObject extends DataObject implements TestOnly {
static $db = array(
'Title' => 'Varchar'
);
static $has_many = array(
'Objects' => 'DataDifferencerTest_Object'
);
}
class DataDifferencerTest_MockImage extends Image implements TestOnly {
function generateFormattedImage($format, $arg1 = null, $arg2 = null) {
$cacheFile = $this->cacheFilename($format, $arg1, $arg2);
$gd = new GD(Director::baseFolder()."/" . $this->Filename);
// Skip aktual generation
return $gd;
}
}

14
tests/model/DataDifferencerTest.yml
View File

@ -1,3 +1,15 @@
DataDifferencerTest_MockImage:
image1:
Filename: sapphire/tests/model/testimages/test_image.png
image2:
Filename: sapphire/tests/model/testimages/test.image.with.dots.png
DataDifferencerTest_HasOneRelationObject:
relobj1:
Title: obj1
relobj2:
Title: obj2
DataDifferencerTest_Object:
obj1:
Choices: a,b
Choices: a,b
Image: =>DataDifferencerTest_MockImage.image1
HasOneRelation: =>DataDifferencerTest_HasOneRelationObject.relobj1