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reverse-single-reference.subtest.ts
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reverse-single-reference.subtest.ts
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import assert from "assert";
import { withStoppedApp, MockRestApi } from "../../../test_utils/with-test-app";
import {
App,
Collection,
FieldTypes,
FieldDefinitionHelper as field,
} from "../../../main";
import { CollectionResponse } from "../../../../common_lib/response/responses";
describe("reverse-single-reference", () => {
async function createReferencingCollections(
app: App,
with_reverse: boolean
) {
const A = Collection.fromDefinition(app, {
name: "A",
fields: [
field("reference_to_b", FieldTypes.SingleReference, {
target_collection: () => app.collections.B,
}),
field("pairity", FieldTypes.Text),
],
});
app.registerCollection(A);
const B = Collection.fromDefinition(app, {
name: "B",
fields: [field("number", FieldTypes.Int)],
});
if (with_reverse) {
B.addField(
field("references_in_a", FieldTypes.ReverseSingleReference, {
referencing_field: () => A.fields.reference_to_b,
})
);
}
}
async function createResources(app: App) {
const numbers = [1, 2, 3];
const bs = [];
for (let number of numbers) {
bs.push(
await app.runAction(
new app.SuperContext(),
["collections", "B"],
"create",
{ number }
)
);
}
for (let b of bs) {
for (let i = 1; i <= b.number; i++) {
await app.runAction(
new app.SuperContext(),
["collections", "A"],
"create",
{ reference_to_b: b.id, pairity: i % 2 ? "odd" : "even" }
);
}
}
}
async function withReverse(
fn: (args: { app: App; rest_api: MockRestApi }) => Promise<void>
) {
return withStoppedApp(async (args) => {
await createReferencingCollections(
args.app,
"with_reverse" && true
);
await args.app.start();
await createResources(args.app);
await fn(args);
});
}
it("recreates the cached values if the field has just been added", async () => {
await withStoppedApp(async ({ app, dontClearDatabaseOnStop }) => {
await createReferencingCollections(app, "with_reverse" && false); // run the app without the reverse field
await app.start();
await createResources(app);
dontClearDatabaseOnStop();
});
await withStoppedApp(async ({ app, rest_api }) => {
await createReferencingCollections(app, "with_reverse" && true);
await app.start();
const {
items: [result],
} = await rest_api.get("/api/v1/collections/B?filter[number]=1");
assert(result.references_in_a);
assert.equal(result.references_in_a.length, 1);
const {
items: [result2],
} = await rest_api.get("/api/v1/collections/B?filter[number]=2");
assert(result2.references_in_a);
assert.equal(result2.references_in_a.length, 2);
});
});
it("updates the cached value when a new reference is created", async () => {
await withStoppedApp(async ({ app, rest_api }) => {
await createReferencingCollections(app, "with_reverse" && true);
await app.start();
await createResources(app);
const {
items: [result],
} = await rest_api.get("/api/v1/collections/B?filter[number]=2");
assert(result.references_in_a instanceof Array);
assert.equal(result.references_in_a.length, 2);
});
});
it("updates the cached value when an old reference is deleted", async () =>
withReverse(async ({ rest_api }) => {
const {
items: [result],
} = await rest_api.get("/api/v1/collections/B?filter[number]=2");
const referencing_id = result.references_in_a[0];
await rest_api.delete(`/api/v1/collections/A/${referencing_id}`);
const {
items: [new_result2],
} = await rest_api.get("/api/v1/collections/B?filter[number]=2");
assert.equal(new_result2.references_in_a.length, 1);
}));
it("updates the cached value when an old reference is edited to a new one", async () =>
withReverse(async ({ rest_api }) => {
const {
items: [result1],
} = await rest_api.get("/api/v1/collections/B?filter[number]=1");
const {
items: [result2],
} = await rest_api.get("/api/v1/collections/B?filter[number]=2");
const referencing_id = result2.references_in_a[0];
await rest_api.patch(`/api/v1/collections/A/${referencing_id}`, {
reference_to_b: result1.id,
});
const {
items: [new_result2],
} = await rest_api.get("/api/v1/collections/B?filter[number]=2");
assert.equal(new_result2.references_in_a.length, 1);
const {
items: [new_result1],
} = await rest_api.get("/api/v1/collections/B?filter[number]=1");
assert.equal(new_result1.references_in_a.length, 2);
}));
it("updates the cached value when an old reference is edited to an empty one", async () =>
withReverse(async ({ rest_api }) => {
await rest_api.get("/api/v1/collections/B?filter[number]=1");
const {
items: [result2],
} = await rest_api.get("/api/v1/collections/B?filter[number]=2");
const referencing_id = result2.references_in_a[0];
await rest_api.patch(`/api/v1/collections/A/${referencing_id}`, {
reference_to_b: "",
});
const {
items: [new_result2],
} = await rest_api.get("/api/v1/collections/B?filter[number]=2");
assert.equal(new_result2.references_in_a.length, 1);
}));
it("allows to filter by a value of the referencing resource", async () =>
withReverse(async ({ rest_api }) => {
let results = (
await rest_api.get(
"/api/v1/collections/B?filter[references_in_a][pairity]=non-existant"
)
).items;
assert.equal(results.length, 0);
results = (
await rest_api.get(
"/api/v1/collections/B?filter[references_in_a][pairity]=odd"
)
).items;
assert.equal(results.length, 3);
results = (
await rest_api.get(
"/api/v1/collections/B?filter[references_in_a][pairity]=even&filter[number]=3"
)
).items;
assert.equal(results.length, 1);
}));
it("allows to display the full body of the referencing resources", async () =>
withReverse(async ({ rest_api }) => {
const response = (await rest_api.getSealiousResponse(
"/api/v1/collections/B?attachments[references_in_a]=true"
)) as CollectionResponse;
const { pairity } = (response.items[0].references_in_a as {
pairity: string;
}[])[0];
assert.equal(pairity, "odd");
}));
});

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