/** * AFL Finals System Tests * Phase 3.3: AFL Finals (10 teams with Wildcard Round from 2026) * * Tests the complex double-chance finals system used by the AFL */ import { describe, it, expect } from "vitest"; import { AFL_10, getScoringRoundType } from "~/lib/bracket-templates"; import { calculateFantasyPoints, calculateAveragedPoints, type ScoringRules } from "../scoring-rules"; const DEFAULT_SCORING: ScoringRules = { pointsFor1st: 100, pointsFor2nd: 70, pointsFor3rd: 50, pointsFor4th: 40, pointsFor5th: 25, pointsFor6th: 25, pointsFor7th: 15, pointsFor8th: 15, }; describe("AFL Finals System - Phase 3.3", () => { describe("AFL_10 Template Structure", () => { it("has correct template configuration", () => { expect(AFL_10.id).toBe("afl_10"); expect(AFL_10.name).toBe("AFL Finals (10 teams with Wildcard)"); expect(AFL_10.totalTeams).toBe(10); expect(AFL_10.rounds).toHaveLength(6); expect(AFL_10.scoringStartsAtRound).toBe("Elimination Finals"); }); it("has Wildcard Round as first round (non-scoring)", () => { const wildcardRound = AFL_10.rounds[0]; expect(wildcardRound.name).toBe("Wildcard Round"); expect(wildcardRound.matchCount).toBe(2); expect(wildcardRound.feedsInto).toBe("Elimination Finals"); expect(wildcardRound.isScoring).toBe(false); // Losers get 0 points }); it("has Qualifying Finals as second round (non-scoring - double chance)", () => { const qualifyingRound = AFL_10.rounds[1]; expect(qualifyingRound.name).toBe("Qualifying Finals"); expect(qualifyingRound.matchCount).toBe(2); expect(qualifyingRound.feedsInto).toBe("Preliminary Finals"); // Winners skip Semi-Finals expect(qualifyingRound.isScoring).toBe(false); // Losers get second chance }); it("has Elimination Finals as third round (scoring - share 7-8)", () => { const eliminationRound = AFL_10.rounds[2]; expect(eliminationRound.name).toBe("Elimination Finals"); expect(eliminationRound.matchCount).toBe(2); expect(eliminationRound.feedsInto).toBe("Semi-Finals"); expect(eliminationRound.isScoring).toBe(true); // Losers share 7th-8th }); it("has Semi-Finals as fourth round (scoring - share 5-6)", () => { const semiRound = AFL_10.rounds[3]; expect(semiRound.name).toBe("Semi-Finals"); expect(semiRound.matchCount).toBe(2); expect(semiRound.feedsInto).toBe("Preliminary Finals"); expect(semiRound.isScoring).toBe(true); // Losers share 5th-6th }); it("has Preliminary Finals as fifth round (scoring - share 3-4)", () => { const prelimRound = AFL_10.rounds[4]; expect(prelimRound.name).toBe("Preliminary Finals"); expect(prelimRound.matchCount).toBe(2); expect(prelimRound.feedsInto).toBe("Grand Final"); expect(prelimRound.isScoring).toBe(true); // Losers share 3rd-4th }); it("has Grand Final as final round (scoring - 1st and 2nd)", () => { const grandFinalRound = AFL_10.rounds[5]; expect(grandFinalRound.name).toBe("Grand Final"); expect(grandFinalRound.matchCount).toBe(1); expect(grandFinalRound.feedsInto).toBeNull(); expect(grandFinalRound.isScoring).toBe(true); // Winner 1st, Loser 2nd }); }); describe("AFL Scoring Round Types", () => { it("identifies Grand Final as finals type", () => { const type = getScoringRoundType("Grand Final", AFL_10); expect(type).toBe("finals"); // 1st and 2nd }); it("identifies Preliminary Finals as semifinals type", () => { const type = getScoringRoundType("Preliminary Finals", AFL_10); expect(type).toBe("semifinals"); // Share 3rd-4th }); it("identifies Semi-Finals as quarterfinals type (custom AFL mapping)", () => { const type = getScoringRoundType("Semi-Finals", AFL_10); expect(type).toBe("quarterfinals"); // Share 5th-6th (custom) }); it("identifies Elimination Finals as quarterfinals type", () => { const type = getScoringRoundType("Elimination Finals", AFL_10); expect(type).toBe("quarterfinals"); // Share 7th-8th }); it("identifies Qualifying Finals as non-scoring", () => { const type = getScoringRoundType("Qualifying Finals", AFL_10); expect(type).toBeNull(); // Double chance - no scoring }); it("identifies Wildcard Round as non-scoring", () => { const type = getScoringRoundType("Wildcard Round", AFL_10); expect(type).toBeNull(); // Early elimination }); }); describe("AFL Placement Points Calculations", () => { it("calculates correct points for 1st place (Grand Final winner)", () => { const points = calculateFantasyPoints(1, DEFAULT_SCORING); expect(points).toBe(100); }); it("calculates correct points for 2nd place (Grand Final loser)", () => { const points = calculateFantasyPoints(2, DEFAULT_SCORING); expect(points).toBe(70); }); it("calculates correct averaged points for 3rd-4th (Preliminary Finals losers)", () => { // Two teams lose Prelim Finals, share 3rd and 4th const points = calculateAveragedPoints([3, 4], DEFAULT_SCORING); expect(points).toBe(45); // (50 + 40) / 2 }); it("calculates correct averaged points for 5th-6th (Semi-Finals losers)", () => { // Two teams lose Semi-Finals, share 5th and 6th const points = calculateAveragedPoints([5, 6], DEFAULT_SCORING); expect(points).toBe(25); // (25 + 25) / 2 }); it("calculates correct averaged points for 7th-8th (Elimination Finals losers)", () => { // Two teams lose Elimination Finals, share 7th and 8th const points = calculateAveragedPoints([7, 8], DEFAULT_SCORING); expect(points).toBe(15); // (15 + 15) / 2 }); it("returns 0 points for Wildcard Round losers (9th-10th)", () => { // Two teams lose Wildcard Round, eliminated before scoring begins const points = calculateFantasyPoints(0, DEFAULT_SCORING); expect(points).toBe(0); }); }); describe("AFL Finals Progression", () => { it("has correct round progression for top 6 teams", () => { // Top 6 teams (1-6) skip Wildcard Round // QF winners (1-4) skip Semi-Finals and go straight to Preliminary Finals // QF losers (from 1-4) get second chance in Semi-Finals expect(AFL_10.rounds[1].name).toBe("Qualifying Finals"); // Top 4 play here expect(AFL_10.rounds[1].feedsInto).toBe("Preliminary Finals"); // Winners bypass SF }); it("has correct round progression for wildcard teams", () => { // Teams 7-10 play Wildcard Round // Winners advance to Elimination Finals // Losers eliminated (0 points) expect(AFL_10.rounds[0].name).toBe("Wildcard Round"); expect(AFL_10.rounds[0].feedsInto).toBe("Elimination Finals"); expect(AFL_10.rounds[0].isScoring).toBe(false); }); it("has correct double-chance system structure", () => { // Qualifying Finals losers go to Semi-Finals (second chance) // Elimination Finals winners go to Semi-Finals // This creates the "double chance" for top 4 teams const qfRound = AFL_10.rounds.find(r => r.name === "Qualifying Finals"); const sfRound = AFL_10.rounds.find(r => r.name === "Semi-Finals"); expect(qfRound?.isScoring).toBe(false); // Losers not eliminated expect(sfRound?.name).toBe("Semi-Finals"); }); }); describe("AFL Point Distribution", () => { it("has all 8 scoring placements covered", () => { // Count scoring rounds const scoringRounds = AFL_10.rounds.filter(r => r.isScoring); expect(scoringRounds).toHaveLength(4); // EF, SF, PF, GF // Total teams eliminated in scoring rounds: 2 + 2 + 2 + 2 = 8 teams get points const totalScoringTeams = scoringRounds.reduce((sum, round) => { // Each match has 2 participants, losers get points (except GF winner also gets points) return sum + round.matchCount * 2; }, 0); expect(totalScoringTeams).toBe(14); // But only 8 unique placements (some shared) }); it("has 2 teams eliminated outside top 8 (Wildcard losers)", () => { const wildcardRound = AFL_10.rounds[0]; expect(wildcardRound.isScoring).toBe(false); expect(wildcardRound.matchCount).toBe(2); // 2 matches = 4 teams, 2 winners advance, 2 losers eliminated (0 points) const eliminatedTeams = wildcardRound.matchCount; // 2 losers expect(eliminatedTeams).toBe(2); }); }); });