<?php

/** DomFramework - Tests
  * @package domframework
  * @author Dominique Fournier <dominique@fournier38.fr>
  * @license BSD
  */

namespace Domframework\Tests;

use Domframework\Xdiff;

/** Test the domframework xdiff part */
class XdiffTest extends \PHPUnit_Framework_TestCase
{
  // Declaration of $string1 and $string2
  // {{{
    private $string1 = "This part of the
document has stayed the
same from version to
version.  It shouldn't
be shown if it doesn't
change.  Otherwise, that
would not be helping to
compress the size of the
changes.

This paragraph contains
text that is outdated.
It will be deleted in the
near future.

It is important to spell
check this dokument. On
the other hand, a
misspelled word isn't
the end of the world.
Nothing in the rest of
this paragraph needs to
be changed. Things can
be added after it.
";
    private $string2 = "This is an important
notice! It should
therefore be located at
the beginning of this
document!

This part of the
document has stayed the
same from version to
version.  It shouldn't
be shown if it doesn't
change.  Otherwise, that
would not be helping to
compress the size of the
changes.

It is important to spell
check this document. On
the other hand, a
misspelled word isn't
the end of the world.
Nothing in the rest of
this paragraph needs to
be changed. Things can
be added after it.

This paragraph contains
important new additions
to this document.
";
  // }}}

    public function testDiffNormal1()
    {
      // Mode normal
        $xdiff = new Xdiff();
        $res = $xdiff->diff($this->string1, $this->string2);
        $this->assertSame($res, "0a1,6
> This is an important
> notice! It should
> therefore be located at
> the beginning of this
> document!
> 
11,15d16
< This paragraph contains
< text that is outdated.
< It will be deleted in the
< near future.
< 
17c18
< check this dokument. On
---
> check this document. On
24a26,29
> 
> This paragraph contains
> important new additions
> to this document.
");
    }

    public function testDiffNormal2()
    {
      // Mode normal
        $xdiff = new Xdiff();
        $res = $xdiff->diff("NEWLINE\n" . $this->string1, $this->string2);
        $this->assertSame($res, "1c1,6
< NEWLINE
---
> This is an important
> notice! It should
> therefore be located at
> the beginning of this
> document!
> 
12,16d16
< This paragraph contains
< text that is outdated.
< It will be deleted in the
< near future.
< 
18c18
< check this dokument. On
---
> check this document. On
25a26,29
> 
> This paragraph contains
> important new additions
> to this document.
");
    }

    public function test_diff_normal_3()
    {
      // Mode normal
        $xdiff = new Xdiff();
        $res = $xdiff->diff("NEWLINE\n", "\n");
        $this->assertSame($res, "1c1
< NEWLINE
---
> 
");
    }

    public function testDiffNormal4()
    {
      // Mode normal
        $xdiff = new Xdiff();
        $res = $xdiff->diff("\n", "NEWLINE\n");
        $this->assertSame($res, "1c1
< 
---
> NEWLINE
");
    }

    public function testDiffNormal5()
    {
        $xdiff = new Xdiff();
        $res = $xdiff->diff("\n", "\n");
        $this->assertSame($res, "");
    }

    public function testDiffNormal6()
    {
        $xdiff = new Xdiff();
        $res = $xdiff->diff("\n", "");
        $this->assertSame($res, "1d0
< \n");
    }

    public function testDiffNormal7()
    {
        $xdiff = new Xdiff();
        $res = $xdiff->diff("", "\n");
        $this->assertSame($res, "0a1
> \n");
    }

    public function testDiffUnified1()
    {
      // Mode unified
        $xdiff = new Xdiff("unified");
        $res = $xdiff->diff($this->string1, $this->string2);
        $date = date("Y-m-d H:i:s.u00");
      // DST must answer +0200 in winter and +0100 in summer
        $dst = date("O");
        $this->assertSame($res, "--- Original {$date}0 $dst
+++ New {$date}1 $dst
@@ -0,0 +1,6 @@
+This is an important
+notice! It should
+therefore be located at
+the beginning of this
+document!
+
@@ -11,5 +16,0 @@
-This paragraph contains
-text that is outdated.
-It will be deleted in the
-near future.
-
@@ -17 +18 @@
-check this dokument. On
+check this document. On
@@ -24,0 +26,4 @@
+
+This paragraph contains
+important new additions
+to this document.
");
    }

    public function testDiffUnified2()
    {
      // Mode unified
        $xdiff = new Xdiff("unified");
        $res = $xdiff->diff("NEWLINE\n" . $this->string1, $this->string2);
        $this->assertSame($res, "--- Original " . date("Y-m-d H:i:s.u000 O") . "
+++ New " . date("Y-m-d H:i:s.u001 O") . "
@@ -1 +1,6 @@
-NEWLINE
+This is an important
+notice! It should
+therefore be located at
+the beginning of this
+document!
+
@@ -12,5 +16,0 @@
-This paragraph contains
-text that is outdated.
-It will be deleted in the
-near future.
-
@@ -18 +18 @@
-check this dokument. On
+check this document. On
@@ -25,0 +26,4 @@
+
+This paragraph contains
+important new additions
+to this document.
");
    }

    public function testDiffUnified3()
    {
        $xdiff = new Xdiff("unified");
        $res = $xdiff->diff("NEWLINE\n", "\n");
        $this->assertSame($res, "--- Original " . date("Y-m-d H:i:s.u000 O") . "
+++ New " . date("Y-m-d H:i:s.u001 O") . "
@@ -1 +1 @@
-NEWLINE
+
");
    }

    public function testDiffUnified4()
    {
        $xdiff = new Xdiff("unified");
        $res = $xdiff->diff("\n", "NEWLINE\n");
        $this->assertSame($res, "--- Original " . date("Y-m-d H:i:s.u000 O") . "
+++ New " . date("Y-m-d H:i:s.u001 O") . "
@@ -1 +1 @@
-
+NEWLINE
");
    }

    public function testDiffUnified5()
    {
        $xdiff = new Xdiff("unified");
        $res = $xdiff->diff("\n", "\n");
        $this->assertSame($res, "");
    }

    public function testDiffUnified6()
    {
        $xdiff = new Xdiff("unified");
        $res = $xdiff->diff("\n", "");
        $this->assertSame($res, "--- Original " . date("Y-m-d H:i:s.u000 O") . "
+++ New " . date("Y-m-d H:i:s.u001 O") . "
@@ -1 +0,0 @@
-\n");
    }

    public function testDiffUnified7()
    {
        $xdiff = new Xdiff("unified");
        $res = $xdiff->diff("", "\n");
        $this->assertSame($res, "--- Original " . date("Y-m-d H:i:s.u000 O") . "
+++ New " . date("Y-m-d H:i:s.u001 O") . "
@@ -0,0 +1 @@
+\n");
    }

    public function testDiffFileUnified1()
    {
        file_put_contents("/tmp/test_xdiff1", $this->string1);
        file_put_contents("/tmp/test_xdiff2", $this->string2);
        $xdiff = new Xdiff("unified");
        $res = $xdiff->diffFile("/tmp/test_xdiff1", "/tmp/test_xdiff2");
        $this->assertSame($res, "--- /tmp/test_xdiff1 " . date("Y-m-d H:i:s.u000 O") . "
+++ /tmp/test_xdiff2 " . date("Y-m-d H:i:s.u001 O") . "
@@ -0,0 +1,6 @@
+This is an important
+notice! It should
+therefore be located at
+the beginning of this
+document!
+
@@ -11,5 +16,0 @@
-This paragraph contains
-text that is outdated.
-It will be deleted in the
-near future.
-
@@ -17 +18 @@
-check this dokument. On
+check this document. On
@@ -24,0 +26,4 @@
+
+This paragraph contains
+important new additions
+to this document.
");
    }

    public function testDiffFileUnified2()
    {
        $xdiff = new Xdiff("unified");
        $this->setExpectedException();
        $res = $xdiff->diffFile("/tmp/test_xdiffNOTEXISTS", "/tmp/test_xdiff2");
    }

    public function testDiffFileUnified3()
    {
        $xdiff = new Xdiff("unified");
        $this->setExpectedException();
        $res = $xdiff->diffFile("/tmp/test_xdiff1", "/tmp/test_xdiffNOTEXISTS");
    }

    public function testDiffFileSideBySide1()
    {
        file_put_contents("/tmp/test_xdiff1", $this->string1);
        file_put_contents("/tmp/test_xdiff2", $this->string2);
        $xdiff = new Xdiff("sideBySide");
        $res = $xdiff->diffFile("/tmp/test_xdiff1", "/tmp/test_xdiff2");
        $this->assertSame(
            $res,
            "							      >	This is an important
							      >	notice! It should
							      >	therefore be located at
							      >	the beginning of this
							      >	document!
							      >
This part of the						This part of the
document has stayed the						document has stayed the
same from version to						same from version to
version.  It shouldn't						version.  It shouldn't
be shown if it doesn't						be shown if it doesn't
change.  Otherwise, that					change.  Otherwise, that
would not be helping to						would not be helping to
compress the size of the					compress the size of the
changes.							changes.

This paragraph contains					      <
text that is outdated.					      <
It will be deleted in the				      <
near future.						      <
							      <
It is important to spell					It is important to spell
check this dokument. On					      |	check this document. On
the other hand, a						the other hand, a
misspelled word isn't						misspelled word isn't
the end of the world.						the end of the world.
Nothing in the rest of						Nothing in the rest of
this paragraph needs to						this paragraph needs to
be changed. Things can						be changed. Things can
be added after it.						be added after it.
							      >
							      >	This paragraph contains
							      >	important new additions
							      >	to this document.
"
        );
    }
}