foo.diff

diff --git a/app/tests/Service/Advisories/SecurityAdvisoriesTest.php b/app/tests/Service/Advisories/SecurityAdvisoriesTest.php
new file mode 100644
index 0000000..ff18429
--- /dev/null
+++ b/app/tests/Service/Advisories/SecurityAdvisoriesTest.php
@@ -0,0 +1,108 @@
+<?php
+
+use SilverStripe\Dev\SapphireTest;
+
+class SecurityAdvisoriesTest extends SapphireTest
+{
+
+    /**
+     * @dataProvider expandVersionsTestData
+     */
+    public function testExpandVersions($input, $versionList, $output)
+    {
+
+        $reader = new SecurityAdvisories();
+        $method = new ReflectionMethod('SecurityAdvisories', 'expandVersions');
+        $method->setAccessible(true);
+        $result = $method->invoke($reader, $input, $versionList);
+
+        $this->assertEquals($output, iterator_to_array($result, false));
+    }
+
+    public function expandVersionsTestData()
+    {
+        $versionList = [
+            [ 'package' => 'silverstripe/framework', 'version' => '3.7.0' ],
+            [ 'package' => 'silverstripe/framework', 'version' => '3.8.0' ],
+            [ 'package' => 'silverstripe/framework', 'version' => '4.1.0' ],
+            [ 'package' => 'silverstripe/framework', 'version' => '4.1.x-dev' ],
+            [ 'package' => 'silverstripe/framework', 'version' => '4.1.1' ],
+            [ 'package' => 'silverstripe/framework', 'version' => '4.1.2', ],
+            [ 'package' => 'silverstripe/framework', 'version' => '4.1.3' ],
+            [ 'package' => 'silverstripe/framework', 'version' => '4.2.0' ],
+            [ 'package' => 'silverstripe/framework', 'version' => '4.2.2' ],
+            [ 'package' => 'silverstripe/framework', 'version' => 'dev-master' ],
+            [ 'package' => 'package/other', 'version' => '4.1.x-dev' ],
+        ];
+
+        return [
+            'Basic test' => [
+                'input' => [
+                    [
+                        'vuln_id' => 'A',
+                        'package'=> 'silverstripe/framework',
+                        'title' => 'Vuln A',
+                        'branches' => [
+                            [ 'versions' =>  '>=4.1.0,<4.1.2' ],
+                            [ 'versions' =>  '^4.2,<4.2.2' ],
+                        ],
+                    ],
+                    [
+                        'vuln_id' => 'B',
+                        'title' => 'Vuln B',
+                        'package'=> 'silverstripe/framework',
+                        'branches' => [
+                            [ 'versions' =>  '^3,<3.8.0' ],
+                        ],
+                    ],
+                    [
+                        'vuln_id' => 'C',
+                        'title' => 'Vuln C',
+                        'package'=> 'package/other',
+                        'branches' => [
+                            [ 'versions' =>  '^4' ],
+                        ],
+                    ],
+                ],
+                'versionList' => $versionList,
+                'output' => [
+                    [
+                        'package' => 'silverstripe/framework',
+                        'version' => '3.7.0',
+                        'vulns' => [
+                            [ 'vuln_id' => 'B', 'title' => 'Vuln B', ],
+                        ]
+                    ],
+                    [
+                        'package' => 'silverstripe/framework',
+                        'version' => '4.1.0',
+                        'vulns' => [
+                            [ 'vuln_id' => 'A', 'title' => 'Vuln A', ],
+                        ]
+                    ],
+                    [
+                        'package' => 'silverstripe/framework',
+                        'version' => '4.1.1',
+                        'vulns' => [
+                            [ 'vuln_id' => 'A', 'title' => 'Vuln A', ],
+                        ]
+                    ],
+                    [
+                        'package' => 'silverstripe/framework',
+                        'version' => '4.2.0',
+                        'vulns' => [
+                            [ 'vuln_id' => 'A', 'title' => 'Vuln A', ],
+                        ]
+                    ],
+                    [
+                        'package' => 'package/other',
+                        'version' => '4.1.x-dev',
+                        'vulns' => [
+                            [ 'vuln_id' => 'C', 'title' => 'Vuln C', ],
+                        ]
+                    ],
+                ],
+            ],
+        ];
+    }
+}