From a30ff860e90b4fe5964f160feb0679b8f4ce344c Mon Sep 17 00:00:00 2001
From: Malaber <32635600+Malaber@users.noreply.github.com>
Date: Thu, 18 Apr 2019 14:19:50 +0200
Subject: [PATCH] Return a valid list of matches for 1 team

---
 app/services/match_service.rb       | 9 ++++++++-
 spec/services/match_service_spec.rb | 4 ----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/app/services/match_service.rb b/app/services/match_service.rb
index 29fffdb..90c5290 100644
--- a/app/services/match_service.rb
+++ b/app/services/match_service.rb
@@ -6,11 +6,18 @@ class MatchService
   # @param teams [Array] the teams to generate matches with
   # @return [Array] the generated matches
   def self.generate_matches(teams)
-    if teams.size < 2
+    if teams.empty?
       # should be prevented by controller
       return
     end
 
+    if teams.size == 1
+      matches = []
+      match = Match.new state: :single_team, position: 1, match_scores: [MatchScore.create(team: teams.first)]
+      matches << match
+      return matches
+    end
+
     # normal_games = number of matches with two teams attending
     # needed_games = number of matches to generate in total for the given number of teams
     if Utils.po2?(teams.size)
diff --git a/spec/services/match_service_spec.rb b/spec/services/match_service_spec.rb
index e1e2731..bdb844e 100644
--- a/spec/services/match_service_spec.rb
+++ b/spec/services/match_service_spec.rb
@@ -117,9 +117,5 @@ RSpec.describe MatchService do
     it 'generates no matches for 0 teams' do
       expect(MatchService.generate_matches([])). to eq(nil)
     end
-
-    it 'generates no matches for 1 team' do
-      expect(MatchService.generate_matches(build_list(:team, 1))). to eq(nil)
-    end
   end
 end