Tests: data providers need to be static

tests/Unit/Crypt/AES/TestCase.php

@@ -30,7 +30,7 @@ abstract class TestCase extends PhpseclibTestCase
      *
      * @return array
      */
-    public function continuousBufferCombos()
+    public static function continuousBufferCombos()
     {
         $modes = [
             'ctr',
@@ -133,7 +133,7 @@ abstract class TestCase extends PhpseclibTestCase
      *
      * @return list<array{string, string, array}>
      */
-    public function continuousBufferBatteryCombos()
+    public static function continuousBufferBatteryCombos()
     {
         $modes = [
             'ctr',
@@ -176,9 +176,9 @@ abstract class TestCase extends PhpseclibTestCase
     /**
      * @return array<array{string, string, array}>
      */
-    public function continuousBufferBatteryCombosWithoutSingleCombos()
+    public static function continuousBufferBatteryCombosWithoutSingleCombos()
     {
-        return array_filter($this->continuousBufferBatteryCombos(), function (array $continuousBufferBatteryCombo) {
+        return array_filter(self::continuousBufferBatteryCombos(), function (array $continuousBufferBatteryCombo) {
             return count($continuousBufferBatteryCombo[2]) > 1;
         });
     }

tests/Unit/Crypt/BlowfishTest.php

@@ -14,7 +14,7 @@ use phpseclib3\Tests\PhpseclibTestCase;
 
 class BlowfishTest extends PhpseclibTestCase
 {
-    public function engineVectors()
+    public static function engineVectors()
     {
         $engines = [
             'PHP',

tests/Unit/Crypt/EC/CurveTest.php

@@ -16,7 +16,7 @@ use phpseclib3\Tests\PhpseclibTestCase;
 
 class CurveTest extends PhpseclibTestCase
 {
-    public function curves()
+    public static function curves()
     {
         $curves = [];
         foreach (new \DirectoryIterator(__DIR__ . '/../../../../phpseclib/Crypt/EC/Curves/') as $file) {
@@ -38,7 +38,7 @@ class CurveTest extends PhpseclibTestCase
         return $curves;
     }
 
-    public function allCurves()
+    public static function allCurves()
     {
         $curves = [];
         foreach (new \DirectoryIterator(__DIR__ . '/../../../../phpseclib/Crypt/EC/Curves/') as $file) {
@@ -55,7 +55,7 @@ class CurveTest extends PhpseclibTestCase
         return $curves;
     }
 
-    public function curvesWithOIDs()
+    public static function curvesWithOIDs()
     {
         $class = new \ReflectionClass('phpseclib3\Crypt\EC\Formats\Keys\PKCS8');
 

tests/Unit/Crypt/GCMTest.php

@@ -18,7 +18,7 @@ class GCMTest extends PhpseclibTestCase
      *
      * @return array
      */
-    public function engine128Vectors()
+    public static function engine128Vectors()
     {
         $engines = [
             'PHP',
@@ -131,7 +131,7 @@ class GCMTest extends PhpseclibTestCase
      *
      * @return array
      */
-    public function engine256Vectors()
+    public static function engine256Vectors()
     {
         $engines = [
             'PHP',

tests/Unit/Crypt/HashTest.php

@@ -426,7 +426,7 @@ class HashTest extends PhpseclibTestCase
         $this->assertSame($hash->getLengthInBytes(), $length);
     }
 
-    public function lengths()
+    public static function lengths()
     {
         return [
             // known
@@ -439,7 +439,7 @@ class HashTest extends PhpseclibTestCase
         ];
     }
 
-    public function UMACs()
+    public static function UMACs()
     {
         return [
             ['', 'umac-32', '113145FB', "umac-32 and message of <empty>"],

tests/Unit/Crypt/RC2Test.php

@@ -13,14 +13,14 @@ use phpseclib3\Tests\PhpseclibTestCase;
 
 class RC2Test extends PhpseclibTestCase
 {
-    public $engines = [
+    public static $engines = [
         'PHP',
         'Eval',
         'mcrypt',
         'OpenSSL',
     ];
 
-    public function engineVectors()
+    public static function engineVectors()
     {
         // tests from https://tools.ietf.org/html/rfc2268#page-8
         $tests = [
@@ -37,7 +37,7 @@ class RC2Test extends PhpseclibTestCase
 
         $result = [];
 
-        foreach ($this->engines as $engine) {
+        foreach (self::$engines as $engine) {
             foreach ($tests as $test) {
                 $result[] = [$engine, $test[0], $test[1], $test[2], $test[3]];
             }

tests/Unit/Crypt/RC4Test.php

@@ -14,7 +14,7 @@ use phpseclib3\Tests\PhpseclibTestCase;
 
 class RC4Test extends PhpseclibTestCase
 {
-    public function engineVectors()
+    public static function engineVectors()
     {
         $engines = [
             'PHP',

tests/Unit/Crypt/RandomTest.php

@@ -13,9 +13,9 @@ use phpseclib3\Tests\PhpseclibTestCase;
 
 class RandomTest extends PhpseclibTestCase
 {
-    public function stringLengthData()
+    public static function stringLengthData()
     {
-        return array_map([$this, 'wrap'], [
+        return array_map(function($x) { return [$x]; }, [
             1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 17, 19, 20, 23, 29, 31, 37,
             41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 111, 128, 1000,
             1024, 10000, 12345, 100000, 123456
@@ -50,10 +50,4 @@ class RandomTest extends PhpseclibTestCase
             $values[$rand] = true;
         }
     }
-
-    protected function wrap($x)
-    {
-        // array() is not a function, but $this->wrap() is.
-        return [$x];
-    }
 }

tests/Unit/Crypt/Salsa20Test.php

@@ -13,7 +13,7 @@ use phpseclib3\Tests\PhpseclibTestCase;
 
 class Salsa20Test extends PhpseclibTestCase
 {
-    public function engineVectors()
+    public static function engineVectors()
     {
         $engines = [
             'PHP',

tests/Unit/Crypt/TripleDESTest.php

@@ -13,14 +13,14 @@ use phpseclib3\Tests\PhpseclibTestCase;
 
 class TripleDESTest extends PhpseclibTestCase
 {
-    public $engines = [
+    public static $engines = [
         'PHP',
         'Eval',
         'mcrypt',
         'OpenSSL',
     ];
 
-    public function engineVectors()
+    public static function engineVectors()
     {
         // tests from http://csrc.nist.gov/publications/nistpubs/800-20/800-20.pdf#page=273
         $tests = [
@@ -94,7 +94,7 @@ class TripleDESTest extends PhpseclibTestCase
 
         $result = [];
 
-        foreach ($this->engines as $engine) {
+        foreach (self::$engines as $engine) {
             foreach ($tests as $test) {
                 $result[] = [$engine, $test[0], $test[1], $test[2]];
             }
@@ -121,7 +121,7 @@ class TripleDESTest extends PhpseclibTestCase
         $this->assertEquals($result, $expected, "Failed asserting that $plaintext yielded expected output in $engine engine");
     }
 
-    public function engineIVVectors()
+    public static function engineIVVectors()
     {
         $engines = [
             'PHP',
@@ -184,7 +184,7 @@ class TripleDESTest extends PhpseclibTestCase
         $des->setKey('abcdefghijklmnopqrstuvwx');
         $des->setIV(str_repeat("\0", $des->getBlockLength() >> 3));
 
-        foreach ($this->engines as $engine) {
+        foreach (self::$engines as $engine) {
             $des->setPreferredEngine($engine);
             if (!$des->isValidEngine($engine)) {
                 self::markTestSkipped("Unable to initialize $engine engine");
@@ -212,7 +212,7 @@ class TripleDESTest extends PhpseclibTestCase
     /**
      * @return list<array{string, string}>
      */
-    public function provideForCorrectSelfUseInLambda()
+    public static function provideForCorrectSelfUseInLambda()
     {
         return [
             ['YWFhYWFhYWFhYWFhYWFhYWFhYWG9l9gm', 'fDSmC5bbLdx8NKYLltst3Hw0pguW2y3cfDSmC5bbLdxmhqEOIeS2ig=='],

tests/Unit/Net/SSH2UnitTest.php

@@ -14,7 +14,7 @@ use phpseclib3\Tests\PhpseclibTestCase;
 
 class SSH2UnitTest extends PhpseclibTestCase
 {
-    public function formatLogDataProvider()
+    public static function formatLogDataProvider()
     {
         return [
             [