test/mgmt: allow test to pass on non-Linux

Some systems do not have /proc/$PID/task, but we know Linux does.

1 files changed, 11 insertions, 5 deletions

diff --git a/test/mgmt.rb b/test/mgmt.rb
index 2bd967c..5c0807c 100644
--- a/test/mgmt.rb
+++ b/test/mgmt.rb
@@ -274,14 +274,20 @@ class TestMgmt < Test::Unit::TestCase
     tries = 1000
     @client.write "WTF\r\n"
     assert_match(%r{ERROR: unknown command}, @client.gets)
-    glob = "/proc/#@pid/task/*"
-    nr_threads = Dir[glob].size
+    taskdir = "/proc/#@pid/task"
+    glob = "#{taskdir}/*"
     @client.write "server aio_threads = 1\r\n"
     assert_equal "\r\n", @client.gets
-    while nr_threads == Dir[glob].size && (tries -= 1) > 0
-      sleep(0.1)
+    if RUBY_PLATFORM =~ /linux/
+      assert File.directory?(taskdir), "/proc not mounted on Linux?"
+    end
+    if File.directory?(taskdir)
+      nr_threads = Dir[glob].size
+      while nr_threads == Dir[glob].size && (tries -= 1) > 0
+        sleep(0.1)
+      end
+      assert nr_threads != Dir[glob].size
     end
-    assert nr_threads != Dir[glob].size
     @client.write "server aio_threads=6\r\n"
     assert_equal "\r\n", @client.gets
     @client.write "WTF\r\n"