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derived-value.subtest.ts
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derived-value.subtest.ts
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import assert from "assert";
import { withRunningApp } from "../../../test_utils/with-test-app";
import { assertThrowsAsync } from "../../../test_utils/assert-throws-async";
import { Collection, FieldTypes, Field } from "../../../main";
import { DerivingFn } from "./derived-value";
import { TestAppType } from "../../../test_utils/test-app";
const extend = <T extends Field = FieldTypes.Text>(derived_value_params: {
deriving_fn: DerivingFn<T>;
fields: string[];
}) => (t: TestAppType) => {
return class extends t {
collections = {
...t.BaseCollections,
people: new (class extends Collection {
name = "people";
fields = {
username: new FieldTypes.Text(),
surname: new FieldTypes.Text(),
name_and_surname: new FieldTypes.DerivedValue(
new FieldTypes.Text(),
// @ts-ignore
{
...derived_value_params,
}
),
age: new FieldTypes.Int(),
};
})(),
};
};
};
describe("derived-value", () => {
it("properly reacts to pre:create handler", async () =>
withRunningApp(
extend({
fields: ["username", "surname"],
deriving_fn: async (username: string, surname: string) =>
`${username} ${surname}`,
}),
async ({ rest_api }) => {
const person = await rest_api.post(
"/api/v1/collections/people",
{
username: "Jan",
surname: "Kowalski",
}
);
assert.deepEqual(person.name_and_surname, "Jan Kowalski");
}
));
it("properly reacts to pre:edit handler", async () =>
withRunningApp(
extend({
fields: ["username", "surname"],
deriving_fn: async (username: string, surname: string) =>
`${username} ${surname}`,
}),
async ({ rest_api }) => {
const person = await rest_api.post(
"/api/v1/collections/people",
{
username: "Jan",
surname: "Kowalski",
}
);
assert.deepEqual("Jan Kowalski", person.name_and_surname);
const {
items: [updated_person],
} = await rest_api.patch(
`/api/v1/collections/people/${person.id}`,
{
username: "Janusz",
}
);
assert.deepEqual(updated_person.username, "Janusz");
assert.deepEqual(
updated_person.name_and_surname,
"Janusz Kowalski"
);
const {
items: [updated_person2],
} = await rest_api.patch(
`/api/v1/collections/people/${person.id}`,
{
username: "John",
surname: "Doe",
}
);
assert.deepEqual(updated_person2.username, "John");
assert.deepEqual(updated_person2.surname, "Doe");
assert.deepEqual(updated_person2.name_and_surname, "John Doe");
}
));
it("value isn't undefined after edit on fields other than the ones concerning derived_value", async () =>
withRunningApp(
extend({
fields: ["username", "surname"],
deriving_fn: async (username: string, surname: string) =>
`${username} ${surname}`,
}),
async ({ rest_api }) => {
const person = await rest_api.post(
"/api/v1/collections/people",
{
username: "Jan",
surname: "Kowalski",
age: 60,
}
);
assert.deepEqual(60, person.age);
const {
items: [updated_person],
} = await rest_api.patch(
`/api/v1/collections/people/${person.id}`,
{
age: 22,
}
);
assert.deepEqual(updated_person.age, 22);
assert.deepEqual(
updated_person.name_and_surname,
"Jan Kowalski"
);
}
));
it("throws when the value returned from deriving_fn is unnacceptable by target_field_type of derived-value", async () =>
withRunningApp(
extend<FieldTypes.Int>({
fields: ["username", "surname"],
deriving_fn: async (_: string, __: string) => 555,
}),
async ({ rest_api }) => {
await assertThrowsAsync(
async () => {
await rest_api.post("/api/v1/collections/people", {
username: "Jan",
surname: "Kowalski",
});
},
(error) => {
assert.deepEqual(
error.response.data.data.name_and_surname.message,
"Type of 555 is number, not string."
);
}
);
}
));
});

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