[pve-devel] [PATCH installer v3 3/3] test: add test for kernel commandline parsing

[Christoph Heiss <c.heiss@proxmox.com>]

Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
---
Changes v2 -> v3:
  * fixed typo in test message
  * added explicit test for nomodeset preservation

Changes v1 -> v2:
  * new patch

 Proxmox/Install/Config.pm    |  2 +-
 test/Makefile                |  7 +++-
 test/parse-kernel-cmdline.pl | 62 ++++++++++++++++++++++++++++++++++++
 3 files changed, 69 insertions(+), 2 deletions(-)
 create mode 100755 test/parse-kernel-cmdline.pl

diff --git a/Proxmox/Install/Config.pm b/Proxmox/Install/Config.pm
index 6260ade..6d47b75 100644
--- a/Proxmox/Install/Config.pm
+++ b/Proxmox/Install/Config.pm
@@ -11,7 +11,7 @@ use Proxmox::Log;
 use Proxmox::Install::ISOEnv;
 use Proxmox::Sys::Net;
 
-my sub parse_kernel_cmdline {
+sub parse_kernel_cmdline {
     my ($cfg) = @_;
 
     my $cmdline = Proxmox::Install::RunEnv::get('kernel_cmdline');
diff --git a/test/Makefile b/test/Makefile
index c473af8..70a05be 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -3,7 +3,8 @@ all:
 export PERLLIB=..
 
 .PHONY: check
-check: test-zfs-arc-max test-run-command test-parse-fqdn test-ui2-stdio test-zfs-get-pool-list
+check: test-zfs-arc-max test-run-command test-parse-fqdn test-ui2-stdio \
+       test-zfs-get-pool-list test-parse-kernel-cmdline
 
 .PHONY: test-zfs-arc-max
 test-zfs-arc-max:
@@ -24,3 +25,7 @@ test-ui2-stdio:
 .PHONY: test-zfs-get-pool-list
 test-zfs-get-pool-list:
 	./zfs-get-pool-list.pl
+
+.PHONY: test-parse-kernel-cmdline
+test-parse-kernel-cmdline:
+	./parse-kernel-cmdline.pl
diff --git a/test/parse-kernel-cmdline.pl b/test/parse-kernel-cmdline.pl
new file mode 100755
index 0000000..0c6ce82
--- /dev/null
+++ b/test/parse-kernel-cmdline.pl
@@ -0,0 +1,62 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+use Test::More;
+use Test::MockModule qw(strict);
+
+use Proxmox::Install::RunEnv;
+use Proxmox::Install::Config qw(parse_kernel_cmdline);
+
+my $proxmox_install_runenv = Test::MockModule->new('Proxmox::Install::RunEnv');
+my $proxmox_install_isoenv = Test::MockModule->new('Proxmox::Install::ISOEnv');
+
+$proxmox_install_isoenv->redefine(
+    get => sub {
+	my ($k) = @_;
+	return { product => 'pve' } if !defined($k);
+	die "iso environment key $k not mocked!\n";
+    },
+);
+
+my sub mock_kernel_cmdline {
+    my ($cmdline) = @_;
+
+    $proxmox_install_runenv->redefine(
+	get => sub {
+	    my ($k) = @_;
+	    return $cmdline if $k eq 'kernel_cmdline';
+	    die "iso environment key $k not mocked!\n";
+	},
+    );
+}
+
+sub is_parsed {
+    my ($cmdline, $expected) = @_;
+
+    mock_kernel_cmdline($cmdline);
+    my $cfg = Proxmox::Install::Config::parse_kernel_cmdline({});
+
+    is($cfg->{target_cmdline}, $expected, "filtered kernel commandline matched expected: ${expected}");
+}
+
+is_parsed(
+    'BOOT_IMAGE=/vmlinuz-6.8.12-1-pve root=/dev/mapper/pve-root ro quiet',
+    ''
+);
+
+is_parsed(
+    'BOOT_IMAGE=/vmlinuz-6.8.12-1-pve root=/dev/mapper/pve-root ro= quiet',
+    'ro='
+);
+
+is_parsed(
+    'a BOOT_IMAGE=/vmlinuz-6.8.12-1-pve b root=/dev/mapper/pve-root c ro d quiet e',
+    'a b c d e'
+);
+
+is_parsed('proxmox-foo foo=bar proxtui', 'foo=bar');
+is_parsed('proxmox-foo nomodeset quiet', 'nomodeset');
+
+done_testing();
-- 
2.47.0



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