Add test coverage on host plugin updates for nfs and resove_host_path capabilities

test/unit/plugins/hosts/bsd/cap/nfs_test.rb

@@ -1,39 +1,48 @@
 require_relative "../../../../base"
 require_relative "../../../../../../plugins/hosts/bsd/cap/nfs"
-require_relative "../../../../../../lib/vagrant/util"
 
 describe VagrantPlugins::HostBSD::Cap::NFS do
 
   include_context "unit"
 
-  describe ".nfs_check_folders_for_apfs" do
-    it "should prefix host paths that are mounted in /System/Volumes/Data" do
-      output_from_df = <<-EOH
-Filesystem    512-blocks      Used Available Capacity iused      ifree %iused  Mounted on
-/dev/disk1s1   976490568 392813584 555082648    42% 1177049 4881275791    0%   /System/Volumes/Data
-EOH
-      expect(Vagrant::Util::Subprocess).to receive(:execute).and_return(
-        Vagrant::Util::Subprocess::Result.new(0, output_from_df, "")
-      )
+  describe ".nfs_export" do
+    let(:environment) { double("environment", host: host) }
+    let(:host) { double("host") }
+    let(:ui) { double("ui") }
+    let(:id) { "UUID" }
+    let(:ips) { [] }
+    let(:folders) { {} }
 
-      folders = {"/vagrant"=>{:hostpath=>"/Users/johndoe/vagrant",:bsd__nfs_options=>["rw"]}}
-      described_class.nfs_check_folders_for_apfs(folders)
-      expect(folders["/vagrant"][:hostpath]).to eq("/System/Volumes/Data/Users/johndoe/vagrant")
+    before do
+      allow(host).to receive(:capability).and_return("")
+      allow(Vagrant::Util::TemplateRenderer).to receive(:render).and_return("")
+      allow(described_class).to receive(:sleep)
+      allow(described_class).to receive(:nfs_cleanup)
+      allow(described_class).to receive(:system)
+      allow(File).to receive(:writable?).with("/etc/exports")
+      allow(ui).to receive(:info)
     end
 
-    it "should not prefix host paths that are mounted in elsewhere" do
-      output_from_df = <<-EOH
-Filesystem    512-blocks      Used Available Capacity iused      ifree %iused  Mounted on
-/dev/disk1s5   976490568  20634032 554201072     4%  481588 4881971252    0%   /
-EOH
-      expect(Vagrant::Util::Subprocess).to receive(:execute).and_return(
-        Vagrant::Util::Subprocess::Result.new(0, output_from_df, "")
-      )
-
-      folders = {"/vagrant"=>{:hostpath=>"/",:bsd__nfs_options=>["rw"]}}
-      described_class.nfs_check_folders_for_apfs(folders)
-      expect(folders["/vagrant"][:hostpath]).to eq("/")
+    it "should execute successfully when no folders are defined" do
+      expect { described_class.nfs_export(environment, ui, id, ips, folders) }.
+        not_to raise_error
     end
 
+    context "with single folder defined" do
+      let(:folders) {
+        {"/vagrant" => {
+          type: :nfs, guestpath: "/vagrant", hostpath: "/Users/vagrant/paths", disabled: false}}
+      }
+
+      it "should execute successfully" do
+        expect { described_class.nfs_export(environment, ui, id, ips, folders) }.
+          not_to raise_error
+      end
+
+      it "should resolve the host path" do
+        expect(host).to receive(:capability).with(:resolve_host_path, folders["/vagrant"][:hostpath]).and_return("")
+        described_class.nfs_export(environment, ui, id, ips, folders)
+      end
+    end
   end
 end

test/unit/plugins/hosts/bsd/cap/path_test.rb

@@ -0,0 +1,13 @@
+require_relative "../../../../base"
+require_relative "../../../../../../plugins/hosts/bsd/cap/path"
+
+describe VagrantPlugins::HostBSD::Cap::Path do
+  describe ".resolve_host_path" do
+    let(:env) { double("environment") }
+    let(:path) { double("path") }
+
+    it "should return the path object provided" do
+      expect(described_class.resolve_host_path(env, path)).to eq(path)
+    end
+  end
+end

test/unit/plugins/hosts/darwin/cap/path_test.rb

@@ -0,0 +1,89 @@
+require_relative "../../../../base"
+require_relative "../../../../../../plugins/hosts/darwin/cap/path"
+
+describe VagrantPlugins::HostDarwin::Cap::Path do
+  describe ".resolve_host_path" do
+    let(:env) { double("environment") }
+    let(:path) { "/test/vagrant/path" }
+    let(:firmlink_map) { {} }
+
+    before { allow(described_class).to receive(:firmlink_map).and_return(firmlink_map) }
+
+    it "should not change the path when no firmlinks are defined" do
+      expect(described_class.resolve_host_path(env, path)).to eq(path)
+    end
+
+    context "when firmlink map contains non-matching values" do
+      let(:firmlink_map) { {"/users" => "users", "/system" => "system"} }
+
+      it "should not change the path" do
+        expect(described_class.resolve_host_path(env, path)).to eq(path)
+      end
+    end
+
+    context "when firmlink map contains matching value" do
+      let(:firmlink_map) { {"/users" => "users", "/test" => "test"} }
+
+      it "should update the path" do
+        expect(described_class.resolve_host_path(env, path)).not_to eq(path)
+      end
+
+      it "should prefix the path with the defined data path" do
+        expect(described_class.resolve_host_path(env, path)).to start_with(described_class.const_get(:FIRMLINK_DATA_PATH))
+      end
+    end
+
+    context "when firmlink map match points to different named target" do
+      let(:firmlink_map) { {"/users" => "users", "/test" => "other"} }
+
+      it "should update the path" do
+        expect(described_class.resolve_host_path(env, path)).not_to eq(path)
+      end
+
+      it "should prefix the path with the defined data path" do
+        expect(described_class.resolve_host_path(env, path)).to start_with(described_class.const_get(:FIRMLINK_DATA_PATH))
+      end
+
+      it "should include the updated path name" do
+        expect(described_class.resolve_host_path(env, path)).to include("other")
+      end
+    end
+  end
+
+  describe ".firmlink_map" do
+    before { described_class.reset! }
+
+    context "when firmlink definition file does not exist" do
+      before { expect(File).to receive(:exist?).with(described_class.const_get(:FIRMLINK_DEFS)).and_return(false) }
+
+      it "should return an empty hash" do
+        expect(described_class.firmlink_map).to eq({})
+      end
+    end
+
+    context "when firmlink definition file exists with values" do
+      before do
+        expect(File).to receive(:exist?).with(described_class.const_get(:FIRMLINK_DEFS)).and_return(true)
+        expect(File).to receive(:readlines).with.(described_class.const_get(:FIRMLINK_DEFS)).
+          and_return(["/System\tSystem\n", "/Users\tUsers\n", "/Library/Something\tLibrary/Somethingelse"])
+
+        it "should generate a non-empty hash" do
+          expect(described_class.firmlink_map).not_to be_empty
+        end
+
+        it "should properly create entries" do
+          result = described_class.firmlink_map
+          expect(result["/System"]).to eq("System")
+          expect(result["/Users"]).to eq("Users")
+          expect(result["/Library/Something"]).to eq("Library/Somethingelse")
+        end
+
+        it "should only load values once" do
+          result = describe_class.firmlink_app
+          expect(File).not_to receive(:readlines)
+          result = describe_class.firmlink_app
+        end
+      end
+    end
+  end
+end