Fully replace filesystem with filesystem2 on Darwin and fix Linux specsfilesystem_2_no_more

Signed-off-by: Tim Smith <tsmith@chef.io>

3 files changed, 89 insertions, 179 deletions

diff --git a/spec/unit/plugins/darwin/filesystem2_spec.rb b/spec/unit/plugins/darwin/filesystem2_spec.rb
deleted file mode 100644
index 6ba89ac3..00000000
--- a/spec/unit/plugins/darwin/filesystem2_spec.rb
+++ /dev/null
@@ -1,139 +0,0 @@
-#
-# Author:: Phil Dibowitz (<phil@ipom.com>)
-# Copyright:: Copyright (c) 2015 Facebook, Inc.
-# License:: Apache License, Version 2.0
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-require_relative "../../../spec_helper.rb"
-
-describe Ohai::System, "darwin filesystem2 plugin" do
-  let (:plugin) { get_plugin("darwin/filesystem2") }
-  before(:each) do
-    allow(plugin).to receive(:collect_os).and_return(:darwin)
-
-    allow(plugin).to receive(:shell_out).with("df -i").and_return(mock_shell_out(0, "", ""))
-    allow(plugin).to receive(:shell_out).with("mount").and_return(mock_shell_out(0, "", ""))
-  end
-
-  describe "when gathering filesystem usage data from df" do
-    before(:each) do
-      @stdout = <<-DF
-Filesystem           512-blocks      Used Available Capacity  iused    ifree %iused  Mounted on
-/dev/disk0s2          488555536 313696448 174347088    65% 39276054 21793386   64%   /
-devfs                       385       385         0   100%      666        0  100%   /dev
-map /etc/auto.direct          0         0         0   100%        0        0  100%   /mnt/vol
-map -hosts                    0         0         0   100%        0        0  100%   /net
-map -static                   0         0         0   100%        0        0  100%   /mobile_symbol
-deweyfs@osxfuse0              0         0         0   100%        0        0  100%   /mnt/dewey
-DF
-      allow(plugin).to receive(:shell_out).with("df -i").and_return(mock_shell_out(0, @stdout, ""))
-    end
-
-    it "should run df -i" do
-      expect(plugin).to receive(:shell_out).ordered.with("df -i").and_return(mock_shell_out(0, @stdout, ""))
-      plugin.run
-    end
-
-    it "should set size to value from df -i" do
-      plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:kb_size]).to eq("244277768")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:kb_used]).to eq("156848224")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:kb_available]).to eq("87173544")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:percent_used]).to eq("65%")
-    end
-
-    it "should set device and mount to value from df -i" do
-      plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:mount]).to eq("/")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:device]).to eq("/dev/disk0s2")
-    end
-
-    it "should set inode info to value from df -i" do
-      plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:total_inodes]).to eq("61069440")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:inodes_used]).to eq("39276054")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:inodes_available]).to eq("21793386")
-    end
-  end
-
-  describe "when gathering mounted filesystem data from mount" do
-    before(:each) do
-      @stdout = <<-MOUNT
-/dev/disk0s2 on / (hfs, local, journaled)
-devfs on /dev (devfs, local, nobrowse)
-map /etc/auto.direct on /mnt/vol (autofs, automounted, nobrowse)
-map -hosts on /net (autofs, nosuid, automounted, nobrowse)
-map -static on /mobile_symbol (autofs, automounted, nobrowse)
-deweyfs@osxfuse0 on /mnt/dewey (osxfusefs, synchronous, nobrowse)
-MOUNT
-      allow(plugin).to receive(:shell_out).with("mount").and_return(mock_shell_out(0, @stdout, ""))
-    end
-
-    it "should run mount" do
-      expect(plugin).to receive(:shell_out).with("mount").and_return(mock_shell_out(0, @stdout, ""))
-      plugin.run
-    end
-
-    it "should set values from mount" do
-      plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:mount]).to eq("/")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:fs_type]).to eq("hfs")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:mount_options]).to eq(%w{local journaled})
-    end
-  end
-
-  describe "when gathering filesystem data with devices mounted more than once" do
-    before(:each) do
-      @dfstdout = <<-DF
-Filesystem           512-blocks      Used Available Capacity  iused    ifree %iused  Mounted on
-/dev/disk0s2          488555536 313696448 174347088    65% 39276054 21793386   64%   /
-devfs                       385       385         0   100%      666        0  100%   /dev
-map /etc/auto.direct          0         0         0   100%        0        0  100%   /mnt/vol
-map -hosts                    0         0         0   100%        0        0  100%   /net
-map -static                   0         0         0   100%        0        0  100%   /mobile_symbol
-deweyfs@osxfuse0              0         0         0   100%        0        0  100%   /mnt/dewey
-/dev/disk0s2          488555536 313696448 174347088    65% 39276054 21793386 64%   /another/mountpoint
-DF
-      allow(plugin).to receive(:shell_out).with("df -i").and_return(mock_shell_out(0, @dfstdout, ""))
-    end
-
-    it "should provide a devices view with all mountpoints" do
-      plugin.run
-      expect(plugin[:filesystem2]["by_device"]["/dev/disk0s2"][:mounts]).to eq(["/", "/another/mountpoint"])
-    end
-  end
-
-  describe "when gathering filesystem data with double-mounts" do
-    before(:each) do
-      @dfstdout = <<-DF
-Filesystem           512-blocks      Used Available Capacity  iused    ifree %iused  Mounted on
-/dev/disk0s2          488555536 313696448 174347088    65% 39276054 21793386   64%   /
-devfs                       385       385         0   100%      666        0  100%   /dev
-map /etc/auto.direct          0         0         0   100%        0        0  100%   /mnt/vol
-map -hosts                    0         0         0   100%        0        0  100%   /net
-map -static                   0         0         0   100%        0        0  100%   /mobile_symbol
-deweyfs@osxfuse0              0         0         0   100%        0        0  100%   /mnt/dewey
-/dev/disk0s3          488555536 313696448 174347088    65% 39276054 21793386 64% /mnt
-/dev/disk0s4          488555536 313696448 174347088    65% 39276054 21793386 64% /mnt
-DF
-      allow(plugin).to receive(:shell_out).with("df -i").and_return(mock_shell_out(0, @dfstdout, ""))
-    end
-
-    it "should provide a mounts view with all devices" do
-      plugin.run
-      expect(plugin[:filesystem2]["by_mountpoint"]["/mnt"][:devices]).to eq(["/dev/disk0s3", "/dev/disk0s4"])
-    end
-  end
-end
diff --git a/spec/unit/plugins/darwin/filesystem_spec.rb b/spec/unit/plugins/darwin/filesystem_spec.rb
index d97a89d9..378d6da9 100644
--- a/spec/unit/plugins/darwin/filesystem_spec.rb
+++ b/spec/unit/plugins/darwin/filesystem_spec.rb
@@ -27,6 +27,11 @@ describe Ohai::System, "darwin filesystem plugin" do
     allow(plugin).to receive(:shell_out).with("mount").and_return(mock_shell_out(0, "", ""))
   end
 
+  it "sets both filesystem and filesystem2 attributes" do
+    plugin.run
+    expect(plugin[:filesystem]).to eq(plugin[:filesystem2])
+  end
+
   describe "when gathering filesystem usage data from df" do
     before(:each) do
       @stdout = <<-DF
@@ -48,22 +53,23 @@ DF
 
     it "should set size to value from df -i" do
       plugin.run
-      expect(plugin[:filesystem]["/dev/disk0s2"][:kb_size]).to eq(244277768)
-      expect(plugin[:filesystem]["/dev/disk0s2"][:kb_used]).to eq(156848224)
-      expect(plugin[:filesystem]["/dev/disk0s2"][:kb_available]).to eq(87173544)
-      expect(plugin[:filesystem]["/dev/disk0s2"][:percent_used]).to eq("65%")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:kb_size]).to eq("244277768")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:kb_used]).to eq("156848224")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:kb_available]).to eq("87173544")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:percent_used]).to eq("65%")
     end
 
-    it "should set mount to value from df -i" do
+    it "should set device and mount to value from df -i" do
       plugin.run
-      expect(plugin[:filesystem]["/dev/disk0s2"][:mount]).to eq("/")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:mount]).to eq("/")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:device]).to eq("/dev/disk0s2")
     end
 
     it "should set inode info to value from df -i" do
       plugin.run
-      expect(plugin[:filesystem]["/dev/disk0s2"][:total_inodes]).to eq("61069440")
-      expect(plugin[:filesystem]["/dev/disk0s2"][:inodes_used]).to eq("39276054")
-      expect(plugin[:filesystem]["/dev/disk0s2"][:inodes_available]).to eq("21793386")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:total_inodes]).to eq("61069440")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:inodes_used]).to eq("39276054")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:inodes_available]).to eq("21793386")
     end
   end
 
@@ -87,9 +93,52 @@ MOUNT
 
     it "should set values from mount" do
       plugin.run
-      expect(plugin[:filesystem]["/dev/disk0s2"][:mount]).to eq("/")
-      expect(plugin[:filesystem]["/dev/disk0s2"][:fs_type]).to eq("hfs")
-      expect(plugin[:filesystem]["/dev/disk0s2"][:mount_options]).to eq(%w{local journaled})
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:mount]).to eq("/")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:fs_type]).to eq("hfs")
+      expect(plugin[:filesystem]["by_pair"]["/dev/disk0s2,/"][:mount_options]).to eq(%w{local journaled})
+    end
+  end
+
+  describe "when gathering filesystem data with devices mounted more than once" do
+    before(:each) do
+      @dfstdout = <<-DF
+Filesystem           512-blocks      Used Available Capacity  iused    ifree %iused  Mounted on
+/dev/disk0s2          488555536 313696448 174347088    65% 39276054 21793386   64%   /
+devfs                       385       385         0   100%      666        0  100%   /dev
+map /etc/auto.direct          0         0         0   100%        0        0  100%   /mnt/vol
+map -hosts                    0         0         0   100%        0        0  100%   /net
+map -static                   0         0         0   100%        0        0  100%   /mobile_symbol
+deweyfs@osxfuse0              0         0         0   100%        0        0  100%   /mnt/dewey
+/dev/disk0s2          488555536 313696448 174347088    65% 39276054 21793386 64%   /another/mountpoint
+DF
+      allow(plugin).to receive(:shell_out).with("df -i").and_return(mock_shell_out(0, @dfstdout, ""))
+    end
+
+    it "should provide a devices view with all mountpoints" do
+      plugin.run
+      expect(plugin[:filesystem]["by_device"]["/dev/disk0s2"][:mounts]).to eq(["/", "/another/mountpoint"])
+    end
+  end
+
+  describe "when gathering filesystem data with double-mounts" do
+    before(:each) do
+      @dfstdout = <<-DF
+Filesystem           512-blocks      Used Available Capacity  iused    ifree %iused  Mounted on
+/dev/disk0s2          488555536 313696448 174347088    65% 39276054 21793386   64%   /
+devfs                       385       385         0   100%      666        0  100%   /dev
+map /etc/auto.direct          0         0         0   100%        0        0  100%   /mnt/vol
+map -hosts                    0         0         0   100%        0        0  100%   /net
+map -static                   0         0         0   100%        0        0  100%   /mobile_symbol
+deweyfs@osxfuse0              0         0         0   100%        0        0  100%   /mnt/dewey
+/dev/disk0s3          488555536 313696448 174347088    65% 39276054 21793386 64% /mnt
+/dev/disk0s4          488555536 313696448 174347088    65% 39276054 21793386 64% /mnt
+DF
+      allow(plugin).to receive(:shell_out).with("df -i").and_return(mock_shell_out(0, @dfstdout, ""))
+    end
+
+    it "should provide a mounts view with all devices" do
+      plugin.run
+      expect(plugin[:filesystem]["by_mountpoint"]["/mnt"][:devices]).to eq(["/dev/disk0s3", "/dev/disk0s4"])
     end
   end
 end
diff --git a/spec/unit/plugins/linux/filesystem2_spec.rb b/spec/unit/plugins/linux/filesystem_spec.rb
index 33e26f49..f1880e3c 100644
--- a/spec/unit/plugins/linux/filesystem2_spec.rb
+++ b/spec/unit/plugins/linux/filesystem_spec.rb
@@ -19,7 +19,7 @@
 require_relative "../../../spec_helper.rb"
 
 describe Ohai::System, "Linux filesystem plugin" do
-  let (:plugin) { get_plugin("linux/filesystem2") }
+  let (:plugin) { get_plugin("linux/filesystem") }
   before(:each) do
     allow(plugin).to receive(:collect_os).and_return(:linux)
 
@@ -52,9 +52,9 @@ describe Ohai::System, "Linux filesystem plugin" do
     end
   end
 
-  it "sets both filesystem and filesystem_v2 attributes" do
+  it "sets both filesystem and filesystem2 attributes" do
     plugin.run
-    expect(plugin[:filesystem]).to eq(plugin[:filesystem_v2])
+    expect(plugin[:filesystem]).to eq(plugin[:filesystem2])
   end
 
   describe "when gathering filesystem usage data from df" do
@@ -93,42 +93,42 @@ DFi
 
     it "should set kb_size to value from df -P" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:kb_size]).to eq("97605057")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:kb_size]).to eq("97605057")
     end
 
     it "should set kb_used to value from df -P" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:kb_used]).to eq("53563253")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:kb_used]).to eq("53563253")
     end
 
     it "should set kb_available to value from df -P" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:kb_available]).to eq("44041805")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:kb_available]).to eq("44041805")
     end
 
     it "should set percent_used to value from df -P" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:percent_used]).to eq("56%")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:percent_used]).to eq("56%")
     end
 
     it "should set mount to value from df -P" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount]).to eq("/special")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount]).to eq("/special")
     end
 
     it "should set total_inodes to value from df -iP" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:total_inodes]).to eq("124865")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:total_inodes]).to eq("124865")
     end
 
     it "should set inodes_used to value from df -iP" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:inodes_used]).to eq("380")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:inodes_used]).to eq("380")
     end
 
     it "should set inodes_available to value from df -iP" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:inodes_available]).to eq("124485")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:inodes_available]).to eq("124485")
     end
   end
 
@@ -161,17 +161,17 @@ MOUNT
 
     it "should set mount to value from mount" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount]).to eq("/special")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount]).to eq("/special")
     end
 
     it "should set fs_type to value from mount" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:fs_type]).to eq("xfs")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:fs_type]).to eq("xfs")
     end
 
     it "should set mount_options to an array of values from mount" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount_options]).to eq(%w{ro noatime})
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount_options]).to eq(%w{ro noatime})
     end
   end
 
@@ -227,9 +227,9 @@ BLKID_TYPE
 
     it "should set kb_size to value from blkid" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/md1,"][:fs_type]).to eq("LVM2_member")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/sda2,"][:uuid]).to eq("e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/md0,/boot"][:label]).to eq("/boot")
+      expect(plugin[:filesystem]["by_pair"]["/dev/md1,"][:fs_type]).to eq("LVM2_member")
+      expect(plugin[:filesystem]["by_pair"]["/dev/sda2,"][:uuid]).to eq("e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa")
+      expect(plugin[:filesystem]["by_pair"]["/dev/md0,/boot"][:label]).to eq("/boot")
     end
   end
 
@@ -287,14 +287,14 @@ BLKID_TYPE
 
     it "should set kb_size to value from lsblk -n -P -o NAME,UUID,LABEL,FSTYPE" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/md1,"][:fs_type]).to eq("LVM2_member")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/sda2,"][:uuid]).to eq("e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/md0,/boot"][:label]).to eq("/boot")
+      expect(plugin[:filesystem]["by_pair"]["/dev/md1,"][:fs_type]).to eq("LVM2_member")
+      expect(plugin[:filesystem]["by_pair"]["/dev/sda2,"][:uuid]).to eq("e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa")
+      expect(plugin[:filesystem]["by_pair"]["/dev/md0,/boot"][:label]).to eq("/boot")
     end
 
     it "should ignore extra info in name and set label to value from lsblk  -n -P -o NAME,UUID,LABEL,FSTYPE" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/debian--7-root,"][:label]).to eq("root")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/debian--7-root,"][:label]).to eq("root")
     end
 
   end
@@ -333,17 +333,17 @@ MOUNTS
 
     it "should set mount to value from /proc/mounts" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount]).to eq("/special")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount]).to eq("/special")
     end
 
     it "should set fs_type to value from /proc/mounts" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:fs_type]).to eq("xfs")
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:fs_type]).to eq("xfs")
     end
 
     it "should set mount_options to an array of values from /proc/mounts" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount_options]).to eq(%w{ro noatime attr2 noquota})
+      expect(plugin[:filesystem]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount_options]).to eq(%w{ro noatime attr2 noquota})
     end
   end
 
@@ -390,9 +390,9 @@ BLKID_TYPE
 
     it "should provide a devices view with all mountpoints" do
       plugin.run
-      expect(plugin[:filesystem2]["by_device"]["/dev/mapper/sys.vg-root.lv"][:mounts]).to eq(["/", "/var/chroot"])
-      expect(plugin[:filesystem2]["by_device"]["/dev/mapper/sys.vg-home.lv"][:mounts]).to eq(["/home", "/home2"])
-      expect(plugin[:filesystem2]["by_device"]["tmpfs"][:mounts]).to eq(["/lib/init/rw", "/dev/shm"])
+      expect(plugin[:filesystem]["by_device"]["/dev/mapper/sys.vg-root.lv"][:mounts]).to eq(["/", "/var/chroot"])
+      expect(plugin[:filesystem]["by_device"]["/dev/mapper/sys.vg-home.lv"][:mounts]).to eq(["/home", "/home2"])
+      expect(plugin[:filesystem]["by_device"]["tmpfs"][:mounts]).to eq(["/lib/init/rw", "/dev/shm"])
     end
   end
 
@@ -436,7 +436,7 @@ BLKID_TYPE
 
     it "should provide a mounts view with all devices" do
       plugin.run
-      expect(plugin[:filesystem2]["by_mountpoint"]["/mnt"][:devices]).to eq(["/dev/sdb1", "/dev/sdc1"])
+      expect(plugin[:filesystem]["by_mountpoint"]["/mnt"][:devices]).to eq(["/dev/sdb1", "/dev/sdc1"])
     end
   end
 end