Improve the test suite

Add some tests, and setup the helpers. For some reason, directly
running the test files requires the ugly `ENV['RAILS_ENV'] = 'test'`
line at the top of the test_helper.rb file.

2 files changed, 84 insertions, 6 deletions

diff --git a/test/models/backends/terraform_aws_test.rb b/test/models/backends/terraform_aws_test.rb
index 78cd8de..2337bda 100644
--- a/test/models/backends/terraform_aws_test.rb
+++ b/test/models/backends/terraform_aws_test.rb
@@ -1,7 +1,46 @@
 require 'test_helper'
 
 class Backends::TerraformAwsTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  setup do
+    @backend = Backends::TerraformAws.new
+    @mini_environment = MiniEnvironment.new(
+      id: 1,
+      name: 'Test Mini Environment',
+      backend_data: {
+        'build_output': '/gnu/store/testbuildoutput',
+      }
+    )
+  end
+
+  test "type_and_id" do
+    @backend.type_and_id
+  end
+
+  test "build" do
+    GovukGuix::BuildJob.expects(:enqueue)
+
+    @backend.build(@mini_environment)
+  end
+
+  test "start" do
+    RubyTerraform.stubs(:init)
+    RubyTerraform.expects(:apply)
+
+    @backend.start(@mini_environment)
+  end
+
+  test "destroy" do
+    RubyTerraform.stubs(:init)
+    RubyTerraform.expects(:destroy)
+
+    @backend.destroy(@mini_environment)
+  end
+
+  test "signon_url" do
+    @backend.signon_url(@mini_environment)
+  end
+
+  test "terraform_variables" do
+    @backend.terraform_variables(@mini_environment)
+  end
 end
diff --git a/test/models/backends/terraform_libvirt_test.rb b/test/models/backends/terraform_libvirt_test.rb
index b7d3c35..e509b03 100644
--- a/test/models/backends/terraform_libvirt_test.rb
+++ b/test/models/backends/terraform_libvirt_test.rb
@@ -1,7 +1,46 @@
 require 'test_helper'
 
 class Backends::TerraformLibvirtTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  setup do
+    @backend = Backends::TerraformLibvirt.new
+    @mini_environment = MiniEnvironment.new(
+      id: 1,
+      name: 'Test Mini Environment',
+      backend_data: {
+        'build_output': '/gnu/store/testbuildoutput',
+      }
+    )
+  end
+
+  test "type_and_id" do
+    @backend.type_and_id
+  end
+
+  test "build" do
+    GovukGuix::BuildJob.expects(:enqueue)
+
+    @backend.build(@mini_environment)
+  end
+
+  test "start" do
+    RubyTerraform.stubs(:init)
+    RubyTerraform.expects(:apply)
+
+    @backend.start(@mini_environment)
+  end
+
+  test "destroy" do
+    RubyTerraform.stubs(:init)
+    RubyTerraform.expects(:destroy)
+
+    @backend.destroy(@mini_environment)
+  end
+
+  test "signon_url" do
+    @backend.signon_url(@mini_environment)
+  end
+
+  test "terraform_variables" do
+    @backend.terraform_variables(@mini_environment)
+  end
 end