add Match model

main-server/spec/models/match_spec.rb

@@ -0,0 +1,106 @@
+require "rails_helper"
+
+RSpec.describe Match, type: :model do
+  let(:player1) { User.create!(nickname: "player_one", password: "secret123") }
+  let(:player2) { User.create!(nickname: "player_two", password: "secret123") }
+
+  let(:valid_attributes) do
+    {
+      player1: player1,
+      player2: player2,
+      status: :ongoing,
+      game_server: "ws://game-server:8080/ws",
+      started_at: Time.current,
+      player1_rating_before: 100,
+      player2_rating_before: 100,
+      player1_rating_change: 0,
+      player2_rating_change: 0
+    }
+  end
+
+  it "is valid with valid attributes" do
+    expect(Match.new(valid_attributes)).to be_valid
+  end
+
+  it "generates a uuid automatically" do
+    match = Match.create!(valid_attributes)
+    expect(match.uuid).to match(/\A[0-9a-f-]{36}\z/)
+  end
+
+  it "belongs to two players" do
+    match = Match.create!(valid_attributes)
+    expect(match.player1).to eq(player1)
+    expect(match.player2).to eq(player2)
+  end
+
+  it "does not allow the same player on both sides" do
+    match = Match.new(valid_attributes.merge(player2: player1))
+    expect(match).not_to be_valid
+    expect(match.errors[:player2]).to be_present
+  end
+
+  it "requires a game_server" do
+    expect(Match.new(valid_attributes.merge(game_server: nil))).not_to be_valid
+  end
+
+  it "requires started_at" do
+    expect(Match.new(valid_attributes.merge(started_at: nil))).not_to be_valid
+  end
+
+  it "allows finished_at and duration_seconds to be nil" do
+    expect(Match.new(valid_attributes)).to be_valid
+  end
+
+  it "rejects negative duration_seconds" do
+    match = Match.new(valid_attributes.merge(duration_seconds: -1))
+    expect(match).not_to be_valid
+  end
+
+  it "rejects nil rating changes" do
+    match = Match.new(valid_attributes.merge(player1_rating_change: nil))
+    expect(match).not_to be_valid
+  end
+
+  it "allows zero rating changes" do
+    match = Match.new(valid_attributes.merge(player1_rating_change: 0, player2_rating_change: 0))
+    expect(match).to be_valid
+  end
+
+  describe "statuses" do
+    it "defines all statuses" do
+      expect(Match.statuses.keys).to contain_exactly(
+        "ongoing", "player1_won", "player2_won", "draw", "abandoned"
+      )
+    end
+
+    it "defaults to ongoing" do
+      match = Match.create!(valid_attributes)
+      expect(match.status).to eq("ongoing")
+    end
+
+    it "supports transitions to final statuses" do
+      match = Match.create!(valid_attributes)
+      match.player1_won!
+      expect(match.reload.status).to eq("player1_won")
+    end
+  end
+
+  describe ".finished" do
+    it "returns only matches with finished_at set" do
+      finished = Match.create!(valid_attributes.merge(finished_at: Time.current))
+      Match.create!(valid_attributes)
+      expect(Match.finished).to contain_exactly(finished)
+    end
+  end
+
+  describe ".for_user" do
+    it "returns matches where the user is either player" do
+      other = User.create!(nickname: "player_three", password: "secret123")
+      m1 = Match.create!(valid_attributes)
+      m2 = Match.create!(valid_attributes.merge(player1: player2, player2: player1))
+      Match.create!(valid_attributes.merge(player1: player2, player2: other))
+
+      expect(Match.for_user(player1)).to contain_exactly(m1, m2)
+    end
+  end
+end

main-server/spec/models/user_spec.rb

@@ -97,4 +97,33 @@ RSpec.describe User, type: :model do
       expect(user.update(nickname: "new_nickname")).to be true
     end
   end
+
+  describe "#finished_matches" do
+    let(:user) { User.create!(valid_attributes) }
+    let(:opponent) { User.create!(nickname: "opponent", password: "secret123") }
+    let(:outsider) { User.create!(nickname: "outsider", password: "secret123") }
+
+    def build_match(attrs)
+      Match.create!({
+        player1: user,
+        player2: opponent,
+        status: :ongoing,
+        game_server: "ws://game-server:8080/ws",
+        started_at: Time.current,
+        player1_rating_before: 100,
+        player2_rating_before: 100,
+        player1_rating_change: 0,
+        player2_rating_change: 0
+      }.merge(attrs))
+    end
+
+    it "returns only finished matches of the user ordered by finished_at desc" do
+      older = build_match(status: :player1_won, finished_at: 2.days.ago)
+      newer = build_match(player1: opponent, player2: user, status: :player2_won, finished_at: 1.day.ago)
+      build_match(status: :ongoing, finished_at: nil)
+      build_match(player1: opponent, player2: outsider, status: :player1_won, finished_at: Time.current)
+
+      expect(user.finished_matches.to_a).to eq([ newer, older ])
+    end
+  end
 end