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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
const { Collection, WBORecord } = ChromeUtils.importESModule(
"resource://services-sync/record.sys.mjs"
);
const { Service } = ChromeUtils.importESModule(
"resource://services-sync/service.sys.mjs"
);
function recordRange(lim, offset, total) {
let res = [];
for (let i = offset; i < Math.min(lim + offset, total); ++i) {
res.push({ id: String(i), payload: "test:" + i });
}
return res;
}
function get_test_collection_info({
totalRecords,
batchSize,
lastModified,
throwAfter = Infinity,
interruptedAfter = Infinity,
}) {
let coll = new Collection("http://example.com/test/", WBORecord, Service);
coll.full = true;
let requests = [];
let responses = [];
coll.get = async function () {
let limit = +this.limit;
let offset = 0;
if (this.offset) {
equal(this.offset.slice(0, 6), "foobar");
offset = +this.offset.slice(6);
}
requests.push({
limit,
offset,
spec: this.spec,
headers: Object.assign({}, this.headers),
});
if (--throwAfter === 0) {
throw new Error("Some Network Error");
}
let body = recordRange(limit, offset, totalRecords);
let response = {
obj: body,
success: true,
status: 200,
headers: {},
};
if (--interruptedAfter === 0) {
response.success = false;
response.status = 412;
response.body = "";
} else if (offset + limit < totalRecords) {
// Ensure we're treating this as an opaque string, since the docs say
// it might not be numeric.
response.headers["x-weave-next-offset"] = "foobar" + (offset + batchSize);
}
response.headers["x-last-modified"] = lastModified;
responses.push(response);
return response;
};
return { responses, requests, coll };
}
add_task(async function test_success() {
const totalRecords = 11;
const batchSize = 2;
const lastModified = "111111";
let { responses, requests, coll } = get_test_collection_info({
totalRecords,
batchSize,
lastModified,
});
let { response, records } = await coll.getBatched(batchSize);
equal(requests.length, Math.ceil(totalRecords / batchSize));
equal(records.length, totalRecords);
checkRecordsOrder(records);
// ensure we're returning the last response
equal(responses[responses.length - 1], response);
// check first separately since its a bit of a special case
ok(!requests[0].headers["x-if-unmodified-since"]);
ok(!requests[0].offset);
equal(requests[0].limit, batchSize);
let expectedOffset = 2;
for (let i = 1; i < requests.length; ++i) {
let req = requests[i];
equal(req.headers["x-if-unmodified-since"], lastModified);
equal(req.limit, batchSize);
if (i !== requests.length - 1) {
equal(req.offset, expectedOffset);
}
expectedOffset += batchSize;
}
// ensure we cleaned up anything that would break further
// use of this collection.
ok(!coll._headers["x-if-unmodified-since"]);
ok(!coll.offset);
ok(!coll.limit || coll.limit == Infinity);
});
add_task(async function test_total_limit() {
_("getBatched respects the (initial) value of the limit property");
const totalRecords = 100;
const recordLimit = 11;
const batchSize = 2;
const lastModified = "111111";
let { requests, coll } = get_test_collection_info({
totalRecords,
batchSize,
lastModified,
});
coll.limit = recordLimit;
let { records } = await coll.getBatched(batchSize);
checkRecordsOrder(records);
equal(requests.length, Math.ceil(recordLimit / batchSize));
equal(records.length, recordLimit);
for (let i = 0; i < requests.length; ++i) {
let req = requests[i];
if (i !== requests.length - 1) {
equal(req.limit, batchSize);
} else {
equal(req.limit, recordLimit % batchSize);
}
}
equal(coll._limit, recordLimit);
});
add_task(async function test_412() {
_("We shouldn't record records if we get a 412 in the middle of a batch");
const totalRecords = 11;
const batchSize = 2;
const lastModified = "111111";
let { responses, requests, coll } = get_test_collection_info({
totalRecords,
batchSize,
lastModified,
interruptedAfter: 3,
});
let { response, records } = await coll.getBatched(batchSize);
equal(requests.length, 3);
equal(records.length, 0); // we should not get any records
// ensure we're returning the last response
equal(responses[responses.length - 1], response);
ok(!response.success);
equal(response.status, 412);
});
add_task(async function test_get_throws() {
_("getBatched() should throw if a get() throws");
const totalRecords = 11;
const batchSize = 2;
const lastModified = "111111";
let { requests, coll } = get_test_collection_info({
totalRecords,
batchSize,
lastModified,
throwAfter: 3,
});
await Assert.rejects(coll.getBatched(batchSize), /Some Network Error/);
equal(requests.length, 3);
});
function checkRecordsOrder(records) {
ok(!!records.length);
for (let i = 0; i < records.length; i++) {
equal(records[i].id, String(i));
equal(records[i].payload, "test:" + i);
}
}
|
