Update `init` command unit tests to reflect new --template option

test/unit/plugins/commands/init/command_test.rb

@@ -37,6 +37,30 @@ describe VagrantPlugins::CommandInit::Command do
       expect(contents).to_not match(/provision/)
     end
 
+    it "creates a custom Vagrantfile using a relative template path" do
+      described_class.new(["--template", "test/unit/templates/commands/init/Vagrantfile"], env).execute
+      contents = File.read(vagrantfile_path)
+      expect(contents).to match(/config.vm.hostname = "vagrant.dev"/)
+    end
+
+    it "creates a custom Vagrantfile using an absolute template path" do
+      described_class.new(["--template", ::Vagrant.source_root.join("test/unit/templates/commands/init/Vagrantfile").to_s], env).execute
+      contents = File.read(vagrantfile_path)
+      expect(contents).to match(/config.vm.hostname = "vagrant.dev"/)
+    end
+
+    it "creates a custom Vagrantfile using a provided template with the extension included" do
+      described_class.new(["--template", ::Vagrant.source_root.join("test/unit/templates/commands/init/Vagrantfile.erb").to_s], env).execute
+      contents = File.read(vagrantfile_path)
+      expect(contents).to match(/config.vm.hostname = "vagrant.dev"/)
+    end
+
+    it "ignores the -m option when using a provided template" do
+      described_class.new(["-m", "--template", ::Vagrant.source_root.join("test/unit/templates/commands/init/Vagrantfile").to_s], env).execute
+      contents = File.read(vagrantfile_path)
+      expect(contents).to match(/config.vm.hostname = "vagrant.dev"/)
+    end
+
     it "does not overwrite an existing Vagrantfile" do
       # Create an existing Vagrantfile
       File.open(File.join(env.cwd, "Vagrantfile"), "w+") { |f| f.write("") }

test/unit/templates/commands/init/Vagrantfile.erb

@@ -0,0 +1,20 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# All Vagrant configuration is done below. The "2" in Vagrant.configure
+# configures the configuration version (we support older styles for
+# backwards compatibility). Please don't change it unless you know what
+# you're doing.
+Vagrant.configure("2") do |config|
+  config.vm.hostname = "vagrant.dev"  
+  config.vm.box = "<%= box_name %>"
+  <% if box_version -%>
+  config.vm.box_version = "<%= box_version %>"
+  <% end -%>
+
+  <% if box_url -%>
+  # The url from where the 'config.vm.box' box will be fetched if it
+  # doesn't already exist on the user's system.
+  config.vm.box_url = "<%= box_url %>"
+  <% end -%>
+end