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import { EvalActions, EvalValue, evalExpr } from '../src/eval'
import { parseExpr } from '../src/parser'
import { matchString } from '../src/utils/adt'
describe('calc', () => {
const variables = (name: string) =>
matchString(name, {
'--test-8rem': () => '8rem',
_: () => {},
})
const actions: EvalActions = {
addClass: jest.fn(),
removeClass: jest.fn(),
delay: jest.fn(),
jsEval: jest.fn(),
loadCssx: jest.fn(),
getVariable: jest.fn(variables),
updateVariable: jest.fn(),
setAttribute: jest.fn(),
getAttribute: jest.fn(),
withEvent: jest.fn(),
getFormData: jest.fn(),
sendRequest: jest.fn(),
addChildren: jest.fn(),
removeElement: jest.fn(),
callMethod: jest.fn(),
evaluateInScope: jest.fn(),
}
describe.each([
['calc(8rem)', EvalValue.Number(128)],
['calc(5 + 8)', EvalValue.Number(13)],
['calc(5 * 8 + 1)', EvalValue.Number(41)],
['calc(5 * (8 + 1))', EvalValue.Number(45)],
['calc(5px * (8rem + 1))', EvalValue.Number(645)],
['calc(5px * 8rem/2 + 1)', EvalValue.Number(321)],
['calc(var(--test-8rem))', EvalValue.Number(128)],
['calc(var(--test-1))', EvalValue.Number(0)], // Var not found
['calc(5px * var(--test-8rem)/2 + 1)', EvalValue.Number(321)],
])('when given "%s"', (expr, expected) => {
it('should evaluate the result of math', async () => {
const evalValue = await evalExpr(parseExpr(expr), actions)
expect(evalValue).toEqual(expected)
})
})
})
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