Add new RSTUF state PRE_RUN to check job

Add a new RSTUF state `PRE_RUN` to check the job.
This state is right after being received by the RSTUF Worker and should retry.

app/jobs/rstuf/check_job.rb

@@ -14,7 +14,7 @@ def perform(task_id)
       raise FailureException, "RSTUF job failed, please check payload and retry"
     when "ERRORED", "REVOKED", "REJECTED"
       raise ErrorException, "RSTUF internal problem, please check RSTUF health"
-    when "PENDING", "RUNNING", "RECEIVED", "STARTED"
+    when "PENDING", "PRE_RUN", "RUNNING", "RECEIVED", "STARTED"
       raise RetryException
     else
       Rails.logger.info "RSTUF job returned unexpected state #{status}"

test/jobs/rstuf/check_job_test.rb

@@ -47,6 +47,16 @@ class Rstuf::CheckJobTest < ActiveJob::TestCase
     end
   end
 
+  test "perform raises a retry exception on pre_run state and retries" do
+    retry_response = { "data" => { "state" => "PRE_RUN" } }
+    stub_request(:get, "#{Rstuf.base_url}/api/v1/task/?task_id=#{@task_id}")
+      .to_return(status: 200, body: retry_response.to_json, headers: { "Content-Type" => "application/json" })
+
+    assert_enqueued_with(job: Rstuf::CheckJob, args: [@task_id]) do
+      Rstuf::CheckJob.perform_now(@task_id)
+    end
+  end
+
   test "perform raises a retry exception on retry state and retries" do
     retry_response = { "data" => { "state" => "UNKNOWN" } }
     stub_request(:get, "#{Rstuf.base_url}/api/v1/task/?task_id=#{@task_id}")