gecko-dev/dom/quota/test/unit/test_persist.js
2017-04-20 15:26:31 +08:00

122 lines
3.4 KiB
JavaScript

/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
var testGenerator = testSteps();
function* testSteps()
{
const origin = {
url: "http://default.test.persist",
path: "storage/default/http+++default.test.persist",
persistence: "default"
};
const metadataFileName = ".metadata-v2";
let principal = getPrincipal(origin.url);
info("Persisting an uninitialized origin");
// Origin directory doesn't exist yet, so only check the result for
// persisted().
let request = persisted(principal, continueToNextStepSync);
yield undefined;
ok(request.resultCode === NS_OK, "Persisted() succeeded");
ok(!request.result, "The origin is not persisted");
info("Verifying persist() does update the metadata");
request = persist(principal, continueToNextStepSync);
yield undefined;
ok(request.resultCode === NS_OK, "Persist() succeeded");
let originDir = getRelativeFile(origin.path);
let exists = originDir.exists();
ok(exists, "Origin directory does exist");
info("Reading out contents of metadata file");
let metadataFile = originDir.clone();
metadataFile.append(metadataFileName);
File.createFromNsIFile(metadataFile).then(grabArgAndContinueHandler);
let file = yield undefined;
let fileReader = new FileReader();
fileReader.onload = continueToNextStepSync;
fileReader.readAsArrayBuffer(file);
yield undefined;
let originPersisted = getPersistedFromMetadata(fileReader.result);
ok(originPersisted, "The origin is persisted");
info("Verifying persisted()");
request = persisted(principal, continueToNextStepSync);
yield undefined;
ok(request.resultCode === NS_OK, "Persisted() succeeded");
ok(request.result === originPersisted, "Persisted() concurs with metadata");
info("Clearing the origin");
// Clear the origin since we'll test the same directory again under different
// circumstances.
clearOrigin(principal, origin.persistence, continueToNextStepSync);
yield undefined;
info("Persisting an already initialized origin");
initOrigin(principal, origin.persistence, continueToNextStepSync);
yield undefined;
info("Reading out contents of metadata file");
fileReader = new FileReader();
fileReader.onload = continueToNextStepSync;
fileReader.readAsArrayBuffer(file);
yield undefined;
originPersisted = getPersistedFromMetadata(fileReader.result);
ok(!originPersisted, "The origin isn't persisted after clearing");
info("Verifying persisted()");
request = persisted(principal, continueToNextStepSync);
yield undefined;
ok(request.resultCode === NS_OK, "Persisted() succeeded");
ok(request.result === originPersisted, "Persisted() concurs with metadata");
info("Verifying persist() does update the metadata");
request = persist(principal, continueToNextStepSync);
yield undefined;
ok(request.resultCode === NS_OK, "Persist() succeeded");
info("Reading out contents of metadata file");
fileReader = new FileReader();
fileReader.onload = continueToNextStepSync;
fileReader.readAsArrayBuffer(file);
yield undefined;
originPersisted = getPersistedFromMetadata(fileReader.result);
ok(originPersisted, "The origin is persisted");
info("Verifying persisted()");
request = persisted(principal, continueToNextStepSync);
yield undefined;
ok(request.resultCode === NS_OK, "Persisted() succeeded");
ok(request.result === originPersisted, "Persisted() concurs with metadata");
finishTest();
}