Fix FreeBSD: Add Support for Swap Output on TrueNas Core

[ConstrictM]

Example Output on FreeBSD:

Device          1K-blocks     Used    Avail Capacity
/dev/vtbd0p3     22801388 11607904 11193484    51%

Example Output on TrueNAS CORE:

Device          1K-blocks     Used    Avail Capacity
/dev/mirror/swap0.eli  16777216        0 16777216     0%
/dev/mirror/swap1.eli   2097152        0  2097152     0%
/dev/mirror/swap2.eli   2097152        0  2097152     0%
/dev/mirror/swap3.eli   2097152        0  2097152     0%
/dev/mirror/swap4.eli   2097152        0  2097152     0%
Total            25165824        0 25165824     0%

Broken:

Fixed:

[kesselb]

Thanks for your pull request 👍

Can you add a test for it?

[ConstrictM]

@kesselb I'm not sure if I did that correctly, but I added a test. Please let me know if I have to correct it.

[kesselb]

Thank you 👍

[kesselb]

Please apply the patch to fix the unit tests:

Index: tests/lib/FreeBSDTest.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/tests/lib/FreeBSDTest.php b/tests/lib/FreeBSDTest.php
--- a/tests/lib/FreeBSDTest.php	(revision beacafe4e724b453942fedfeb49fe4da378030f3)
+++ b/tests/lib/FreeBSDTest.php	(date 1678187528355)
@@ -99,10 +99,10 @@
 
 	public function testGetMemoryTruenasSwapinfo(): void {
 		$this->os->method('executeCommand')
-			->willReturnMap(
+			->willReturnMap([
 				['/usr/sbin/swapinfo -k', file_get_contents(__DIR__ . '/../data/truenas_core_swapinfo')],
 				['/sbin/sysctl -n hw.realmem hw.pagesize vm.stats.vm.v_inactive_count vm.stats.vm.v_cache_count vm.stats.vm.v_free_count', file_get_contents(__DIR__ . '/../data/truenas_core_meminfo')],
-			);
+			]);
 
 		$memory = $this->os->getMemory();

[ConstrictM]

Please apply the patch to fix the unit tests:

@kesselb Done

[kesselb]

/backport to stable26

[kesselb]

/backport to stable25