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Maurice
32 lines
1.1 KiB
TypeScript
32 lines
1.1 KiB
TypeScript
// FE-W4UTL-010 to FE-W4UTL-014
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import { describe, it, expect } from 'vitest'
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import { GRADIENTS, entityGradient } from './gradients'
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describe('entityGradient', () => {
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it('FE-W4UTL-010: exposes eight two-stop gradients', () => {
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expect(GRADIENTS).toHaveLength(8)
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GRADIENTS.forEach(g => expect(g).toMatch(/^linear-gradient\(135deg, #[0-9a-f]{6} 0%, #[0-9a-f]{6} 100%\)$/))
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})
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it('FE-W4UTL-011: maps an id onto its slot', () => {
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expect(entityGradient(0)).toBe(GRADIENTS[0])
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expect(entityGradient(3)).toBe(GRADIENTS[3])
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expect(entityGradient(7)).toBe(GRADIENTS[7])
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})
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it('FE-W4UTL-012: wraps around past the palette length', () => {
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expect(entityGradient(8)).toBe(GRADIENTS[0])
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expect(entityGradient(11)).toBe(GRADIENTS[3])
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})
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it('FE-W4UTL-013: handles negative ids without going out of range', () => {
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expect(entityGradient(-1)).toBe(GRADIENTS[7])
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expect(entityGradient(-8)).toBe(GRADIENTS[0])
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expect(entityGradient(-11)).toBe(GRADIENTS[5])
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})
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it('FE-W4UTL-014: is stable for the same id', () => {
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expect(entityGradient(42)).toBe(entityGradient(42))
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})
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})
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