Allow passing through RSpec arguments

bin/rspecq

@@ -124,6 +124,19 @@ else
   redis_opts[:host] = opts[:redis_host]
 end
 
+# Use the RSpec parser to parse any command line args intended for rspec such
+# as `-- --format JUnit -o foo.xml` so that we can pass these args to rspec
+# while removing the files_or_dirs_to_run since we want to pull those from the
+# queue. OptionParser above mutates ARGV, so only options after `--`  or
+# non-flag arguments (such as files) will make it to this point.
+files_or_dirs_to_run = RSpec::Core::Parser.new(ARGV).parse[:files_or_directories_to_run]
+if files_or_dirs_to_run.length.zero?
+  opts[:rspec_args] = ARGV
+else
+  opts[:rspec_args] = ARGV[0...-files_or_dirs_to_run.length]
+  opts[:files_or_dirs_to_run] = files_or_dirs_to_run
+end
+
 if opts[:report]
   reporter = RSpecQ::Reporter.new(
     build_id: opts[:build],
@@ -139,7 +152,8 @@ else
     redis_opts: redis_opts
   )
 
-  worker.files_or_dirs_to_run = ARGV[0] if ARGV[0]
+  worker.rspec_args = opts[:rspec_args]
+  worker.files_or_dirs_to_run = opts[:files_or_dirs_to_run] if opts[:files_or_dirs_to_run]
   worker.populate_timings = opts[:timings]
   worker.file_split_threshold = opts[:file_split_threshold]
   worker.max_requeues = opts[:max_requeues]

lib/rspecq/worker.rb

@@ -46,6 +46,11 @@ class Worker
     # Defaults to 0
     attr_accessor :fail_fast
 
+    # Optional arguments to pass along to rspec.
+    #
+    # Defaults to nil
+    attr_accessor :rspec_args
+
     attr_reader :queue
 
     def initialize(build_id:, worker_id:, redis_opts:)
@@ -107,7 +112,8 @@ def work
           RSpec.configuration.add_formatter(Formatters::JobTimingRecorder.new(queue, job))
         end
 
-        opts = RSpec::Core::ConfigurationOptions.new(["--format", "progress", job])
+        args = [*rspec_args, "--format", "progress", job]
+        opts = RSpec::Core::ConfigurationOptions.new(args)
         _result = RSpec::Core::Runner.new(opts).run($stderr, $stdout)
 
         queue.acknowledge_job(job)

test/sample_suites/tagged_suite/spec/tagged_spec.rb

@@ -0,0 +1,4 @@
+RSpec.describe do
+  it("foo", :foo) { expect(true).to be true }
+  it("bar", :bar) { expect(true).to be true }
+end

test/test_e2e.rb

@@ -129,4 +129,10 @@ def test_suite_with_failures_and_fail_fast
 
     assert_includes [2, 3], queue.processed_jobs.length
   end
+
+  def test_suite_with_rspec_arguments
+    queue = exec_build("tagged_suite", "-- --tag foo")
+
+    assert_equal 1, queue.example_count
+  end
 end