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import { EvalActions, evalExpr } from '../src/eval'
import { Expr } from '../src/parser'
describe('eval', () => {
const deps: EvalActions = {
addClass: jest.fn(),
removeClass: jest.fn(),
delay: jest.fn(),
jsEval: jest.fn(),
loadCssx: jest.fn(),
getVariable: jest.fn(),
updateVariable: jest.fn(),
setAttribute: jest.fn(),
}
it('should add classes', async () => {
await evalExpr(
Expr.Call({
name: 'add-class',
args: [Expr.Identifier('element-id'), Expr.LiteralString('class-name')],
}),
deps,
)
expect(deps.addClass).toHaveBeenCalledTimes(1)
expect(deps.addClass).toHaveBeenCalledWith('element-id', 'class-name')
})
it('should allow conditionals classes', async () => {
expect(
await evalExpr(
Expr.Call({
name: 'if',
args: [
Expr.Identifier('true'),
Expr.Identifier('yes'),
Expr.Identifier('no'),
],
}),
deps,
),
).toBe('yes')
expect(
await evalExpr(
Expr.Call({
name: 'if',
args: [
Expr.Identifier('false'),
Expr.Identifier('yes'),
Expr.Identifier('no'),
],
}),
deps,
),
).toBe('no')
expect(
await evalExpr(
Expr.Call({
name: 'if',
args: [
Expr.Identifier('0'),
Expr.Identifier('yes'),
Expr.Identifier('no'),
],
}),
deps,
),
).toBe('no')
})
it('should remove classes', async () => {
await evalExpr(
Expr.Call({
name: 'remove-class',
args: [Expr.Identifier('element-id'), Expr.LiteralString('class-name')],
}),
deps,
)
expect(deps.removeClass).toHaveBeenCalledTimes(1)
expect(deps.removeClass).toHaveBeenCalledWith('element-id', 'class-name')
})
it('should add a delay', async () => {
await evalExpr(
Expr.Call({
name: 'delay',
args: [Expr.LiteralString('200')],
}),
deps,
)
expect(deps.delay).toHaveBeenCalledTimes(1)
expect(deps.delay).toHaveBeenCalledWith(200)
})
it('should get variable', async () => {
await evalExpr(
Expr.Call({
name: 'var',
args: [Expr.LiteralString('--my-var'), Expr.LiteralString('def value')],
}),
deps,
)
expect(deps.getVariable).toHaveBeenCalledTimes(1)
expect(deps.getVariable).toHaveBeenCalledWith('--my-var')
})
})
|
