provisioners/file: add unit tests for the provisioner

test/unit/plugins/provisioners/file/provisioner_test.rb

@@ -0,0 +1,75 @@
+require_relative "../../../base"
+
+require Vagrant.source_root.join("plugins/provisioners/file/provisioner")
+
+describe VagrantPlugins::FileUpload::Provisioner do
+  include_context "unit"
+
+  subject { described_class.new(machine, config) }
+
+  let(:iso_env) do
+    # We have to create a Vagrantfile so there is a root path
+    env = isolated_environment
+    env.vagrantfile("")
+    env.create_vagrant_env
+  end
+
+  let(:machine) { iso_env.machine(iso_env.machine_names[0], :dummy) }
+  let(:config)       { double("config") }
+  let(:communicator) { double("comm") }
+  let(:guest)        { double("guest") }
+
+  before do
+    machine.stub(communicate: communicator)
+    machine.stub(guest: guest)
+
+    communicator.stub(execute: true)
+    communicator.stub(upload: true)
+
+    guest.stub(capability?: false)
+  end
+
+  describe "#provision" do
+    it "creates the destination directory" do
+      config.stub(source: "/source")
+      config.stub(destination: "/foo/bar")
+
+      expect(communicator).to receive(:execute).with("mkdir -p /foo")
+
+      subject.provision
+    end
+
+    it "uploads the file" do
+      config.stub(source: "/source")
+      config.stub(destination: "/foo/bar")
+
+      expect(communicator).to receive(:upload).with("/source", "/foo/bar")
+
+      subject.provision
+    end
+
+    it "expands the source file path" do
+      config.stub(source: "source")
+      config.stub(destination: "/foo/bar")
+
+      expect(communicator).to receive(:upload).with(
+        File.expand_path("source"), "/foo/bar")
+
+      subject.provision
+    end
+
+    it "expands the destination file path if capable" do
+      config.stub(source: "/source")
+      config.stub(destination: "$HOME/foo")
+
+      expect(guest).to receive(:capability?).
+        with(:shell_expand_guest_path).and_return(true)
+      expect(guest).to receive(:capability).
+        with(:shell_expand_guest_path, "$HOME/foo").and_return("/home/foo")
+
+      expect(communicator).to receive(:upload).with("/source", "/home/foo")
+
+      subject.provision
+    end
+  end
+end