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import * as operations from "../../src/shared/operations";
import { expect } from "chai";
describe("operations", () => {
describe("#valueOf", () => {
it("returns an Operation", () => {
const op = operations.valueOf({
type: operations.SCROLL_VERTICALLY,
count: 10,
}) as operations.ScrollVerticallyOperation;
expect(op.type).to.equal(operations.SCROLL_VERTICALLY);
expect(op.count).to.equal(10);
});
it("throws an Error on missing required parameter", () => {
expect(() =>
operations.valueOf({
type: operations.SCROLL_VERTICALLY,
})
).to.throw(TypeError);
});
it("fills default valus of optional parameter", () => {
const op = operations.valueOf({
type: operations.COMMAND_SHOW_OPEN,
}) as operations.CommandShowOpenOperation;
expect(op.type).to.equal(operations.COMMAND_SHOW_OPEN);
expect(op.alter).to.be.false;
});
it("throws an Error on mismatch of parameter", () => {
expect(() =>
operations.valueOf({
type: operations.SCROLL_VERTICALLY,
count: "10",
})
).to.throw(TypeError);
expect(() =>
operations.valueOf({
type: operations.COMMAND_SHOW_OPEN,
alter: "true",
})
).to.throw(TypeError);
});
});
});
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