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| 1 | +import { describe, expect, test } from 'vitest'; |
| 2 | + |
| 3 | +import { TaskGrade } from '$lib/types/task'; |
| 4 | +import { |
| 5 | + calcGradeDiff, |
| 6 | + getRelativeEvaluationLabel, |
| 7 | + getRelativeEvaluationTooltipText, |
| 8 | +} from './relative_evaluation'; |
| 9 | + |
| 10 | +describe('calcGradeDiff', () => { |
| 11 | + test('returns 0 when official and median are the same grade', () => { |
| 12 | + expect(calcGradeDiff(TaskGrade.Q5, TaskGrade.Q5)).toBe(0); |
| 13 | + }); |
| 14 | + |
| 15 | + test('returns positive when median is harder than official', () => { |
| 16 | + // Q5(order 7) vs D1(order 12): diff = 12 - 7 = 5 |
| 17 | + expect(calcGradeDiff(TaskGrade.Q5, TaskGrade.D1)).toBeGreaterThan(0); |
| 18 | + }); |
| 19 | + |
| 20 | + test('returns negative when median is easier than official', () => { |
| 21 | + // D1(order 12) vs Q5(order 7): diff = 7 - 12 = -5 |
| 22 | + expect(calcGradeDiff(TaskGrade.D1, TaskGrade.Q5)).toBeLessThan(0); |
| 23 | + }); |
| 24 | + |
| 25 | + test('returns 1 for adjacent grade upward (Q3 -> Q2)', () => { |
| 26 | + expect(calcGradeDiff(TaskGrade.Q3, TaskGrade.Q2)).toBe(1); |
| 27 | + }); |
| 28 | + |
| 29 | + test('returns -1 for adjacent grade downward (Q2 -> Q3)', () => { |
| 30 | + expect(calcGradeDiff(TaskGrade.Q2, TaskGrade.Q3)).toBe(-1); |
| 31 | + }); |
| 32 | + |
| 33 | + test('returns 2 for two-step grade upward (Q3 -> Q1)', () => { |
| 34 | + expect(calcGradeDiff(TaskGrade.Q3, TaskGrade.Q1)).toBe(2); |
| 35 | + }); |
| 36 | + |
| 37 | + test('handles boundary grades Q11 and D6', () => { |
| 38 | + // D6(17) - Q11(1) = 16 |
| 39 | + expect(calcGradeDiff(TaskGrade.Q11, TaskGrade.D6)).toBe(16); |
| 40 | + // Q11(1) - D6(17) = -16 |
| 41 | + expect(calcGradeDiff(TaskGrade.D6, TaskGrade.Q11)).toBe(-16); |
| 42 | + }); |
| 43 | + |
| 44 | + describe('D-tier grades', () => { |
| 45 | + test('returns 0 when both are the same D grade', () => { |
| 46 | + expect(calcGradeDiff(TaskGrade.D3, TaskGrade.D3)).toBe(0); |
| 47 | + }); |
| 48 | + |
| 49 | + test('returns -1 for adjacent D grade downward (D3 -> D2)', () => { |
| 50 | + expect(calcGradeDiff(TaskGrade.D3, TaskGrade.D2)).toBe(-1); |
| 51 | + }); |
| 52 | + |
| 53 | + test('returns 1 for adjacent D grade upward (D2 -> D3)', () => { |
| 54 | + expect(calcGradeDiff(TaskGrade.D2, TaskGrade.D3)).toBe(1); |
| 55 | + }); |
| 56 | + |
| 57 | + test('returns -2 for two-step D grade downward (D4 -> D2)', () => { |
| 58 | + expect(calcGradeDiff(TaskGrade.D4, TaskGrade.D2)).toBe(-2); |
| 59 | + }); |
| 60 | + |
| 61 | + test('returns 2 for two-step D grade upward (D2 -> D4)', () => { |
| 62 | + expect(calcGradeDiff(TaskGrade.D2, TaskGrade.D4)).toBe(2); |
| 63 | + }); |
| 64 | + }); |
| 65 | + |
| 66 | + describe('Q1/D1 boundary', () => { |
| 67 | + test('returns 1 when median crosses from Q1 to D1 (adjacent upward)', () => { |
| 68 | + expect(calcGradeDiff(TaskGrade.Q1, TaskGrade.D1)).toBe(1); |
| 69 | + }); |
| 70 | + |
| 71 | + test('returns -1 when median crosses from D1 to Q1 (adjacent downward)', () => { |
| 72 | + expect(calcGradeDiff(TaskGrade.D1, TaskGrade.Q1)).toBe(-1); |
| 73 | + }); |
| 74 | + }); |
| 75 | +}); |
| 76 | + |
| 77 | +describe('getRelativeEvaluationLabel', () => { |
| 78 | + test('returns "++" for diff >= 2', () => { |
| 79 | + expect(getRelativeEvaluationLabel(2)).toBe('++'); |
| 80 | + expect(getRelativeEvaluationLabel(5)).toBe('++'); |
| 81 | + expect(getRelativeEvaluationLabel(16)).toBe('++'); |
| 82 | + }); |
| 83 | + |
| 84 | + test('returns "+" for diff === 1', () => { |
| 85 | + expect(getRelativeEvaluationLabel(1)).toBe('+'); |
| 86 | + }); |
| 87 | + |
| 88 | + test('returns "" for diff === 0', () => { |
| 89 | + expect(getRelativeEvaluationLabel(0)).toBe(''); |
| 90 | + }); |
| 91 | + |
| 92 | + test('returns "-" for diff === -1', () => { |
| 93 | + expect(getRelativeEvaluationLabel(-1)).toBe('-'); |
| 94 | + }); |
| 95 | + |
| 96 | + test('returns "--" for diff <= -2', () => { |
| 97 | + expect(getRelativeEvaluationLabel(-2)).toBe('--'); |
| 98 | + expect(getRelativeEvaluationLabel(-5)).toBe('--'); |
| 99 | + expect(getRelativeEvaluationLabel(-16)).toBe('--'); |
| 100 | + }); |
| 101 | +}); |
| 102 | + |
| 103 | +describe('getRelativeEvaluationTooltipText', () => { |
| 104 | + test('returns "" for empty string (default case)', () => { |
| 105 | + expect(getRelativeEvaluationTooltipText('')).toBe(''); |
| 106 | + }); |
| 107 | + |
| 108 | + test('returns ++ for users feel the difficult than official grade', () => { |
| 109 | + expect(getRelativeEvaluationTooltipText('++')).toBe('ユーザは「難しい」と評価'); |
| 110 | + }); |
| 111 | + |
| 112 | + test('returns + for users feel the slightly difficult than official grade', () => { |
| 113 | + expect(getRelativeEvaluationTooltipText('+')).toBe('ユーザは「やや難しい」と評価'); |
| 114 | + }); |
| 115 | + |
| 116 | + test('returns - for users feel the slightly easy than official grade', () => { |
| 117 | + expect(getRelativeEvaluationTooltipText('-')).toBe('ユーザは「やや易しい」と評価'); |
| 118 | + }); |
| 119 | + |
| 120 | + test('returns -- for users feel the easy than official grade', () => { |
| 121 | + expect(getRelativeEvaluationTooltipText('--')).toBe('ユーザは「易しい」と評価'); |
| 122 | + }); |
| 123 | +}); |
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