spec `#dependencies_installed?`

1 files changed, 33 insertions, 7 deletions

diff --git a/spec/install/parallel/spec_installation_spec.rb b/spec/install/parallel/spec_installation_spec.rb
index 97288fe02f..4d59b8a6e8 100644
--- a/spec/install/parallel/spec_installation_spec.rb
+++ b/spec/install/parallel/spec_installation_spec.rb
@@ -2,16 +2,16 @@ require 'spec_helper'
 require 'bundler/installer/parallel_installer'
 
 describe ParallelInstaller::SpecInstallation do
-  describe "#ready_to_enqueue?" do
 
-    let!(:dep) do
-      a_spec = Object.new
-      def a_spec.name
-        "I like tests"
-      end
-      a_spec
+  let!(:dep) do
+    a_spec = Object.new
+    def a_spec.name
+      "I like tests"
     end
+    a_spec
+  end
 
+  describe "#ready_to_enqueue?" do
     context "when in enqueued state" do
       it "is falsey" do
         spec = ParallelInstaller::SpecInstallation.new(dep)
@@ -34,4 +34,30 @@ describe ParallelInstaller::SpecInstallation do
     end
   end
 
+  describe "#dependencies_installed?" do
+    context "when all dependencies are installed" do
+      it "returns true" do
+        dependencies = []
+        dependencies << instance_double("SpecInstallation", spec: "alpha", name: "alpha", installed?: true, all_dependencies: [], type: :production)
+        dependencies << instance_double("SpecInstallation", spec: "beta", name: "beta", installed?: true, all_dependencies: [], type: :production)
+        all_specs = dependencies + [instance_double("SpecInstallation", spec: "gamma", name: "gamma", installed?: false, all_dependencies: [], type: :production)]
+        spec = ParallelInstaller::SpecInstallation.new(dep)
+        allow(spec).to receive(:all_dependencies).and_return(dependencies)
+        expect(spec.dependencies_installed?(all_specs)).to be_truthy
+      end
+    end
+
+    context "when all dependencies are not installed" do
+      it "returns false" do
+        dependencies = []
+        dependencies << instance_double("SpecInstallation", spec: "alpha", name: "alpha", installed?: false, all_dependencies: [], type: :production)
+        dependencies << instance_double("SpecInstallation", spec: "beta", name: "beta", installed?: true, all_dependencies: [], type: :production)
+        all_specs = dependencies + [instance_double("SpecInstallation", spec: "gamma", name: "gamma", installed?: false, all_dependencies: [], type: :production)]
+        spec = ParallelInstaller::SpecInstallation.new(dep)
+        allow(spec).to receive(:all_dependencies).and_return(dependencies)
+        expect(spec.dependencies_installed?(all_specs)).to be_falsey
+      end
+    end
+  end
+
 end