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Remove type check that prevents polymorphic types in API responses #7421

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Remove type check that prevents polymorphic types in API responses #7421

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42 changes: 42 additions & 0 deletions packages/-ember-data/tests/integration/adapter/json-api-adapter-test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -240,6 +240,48 @@ module('integration/adapter/json-api-adapter - JSONAPIAdapter', function(hooks)
assert.equal(posts.get('firstObject.title'), 'Ember.js rocks', 'Sets correct title to record');
});

test('find many polymorphic records', async function(assert) {
assert.expect(4);

ajaxResponse([
{
data: [
{
type: 'github-handles',
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this should be singular too, though this may not matter for the test

id: '1',
attributes: {
username: 'ykatz',
},
},
{
type: 'twitter-handles',
id: '2',
attributes: {
nickname: 'ykatz',
},
},
],
included: [],
},
]);

let handles = await store.findAll('handle');

let twitter_handles = store.peekAll('twitter-handles');
let github_handles = store.peekAll('github-handles');
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this should be singular


//This should work b/c we loaded these types from the API, but it doesn't
assert.equal(twitter_handles.get('length'), 1);
assert.equal(github_handles.get('length'), 1);

assert.equal(passedUrl[0], '/handles', 'Builds correct URL');

//These won't work because we didn't load anything of the base type 'handles'
assert.equal(handles.get('length'), 2, 'Returns the correct number of records');
assert.equal(handles.get('firstObject.username'), 'ykatz', 'Sets correct username to record');
assert.equal(handles.get('secondObject.nickname'), 'ykatz', 'Sets correct username to record');
});

test('queryRecord - primary data being a single record', async function(assert) {
ajaxResponse([
{
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8 changes: 0 additions & 8 deletions packages/store/addon/-private/identifiers/cache.ts
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Expand Up @@ -496,7 +496,6 @@ function performRecordIdentifierUpdate(
updateFn: UpdateMethod
) {
let { id, lid } = data;
let type = data.type && normalizeModelName(data.type);

if (DEBUG) {
// get the mutable instance behind our proxy wrapper
Expand Down Expand Up @@ -526,13 +525,6 @@ function performRecordIdentifierUpdate(
}
}

// TODO consider just ignoring here to allow flexible polymorphic support
if (type && type !== identifier.type) {
throw new Error(
`The 'type' for a RecordIdentifier cannot be updated once it has been set. Attempted to set type for '${wrapper}' to '${type}'.`
);
}

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Thanks @ryandoherty! Do you have a test addition we can verify this results in added behaviour?

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I do not, I can give it a whirl. First time working on anything Ember, happy to take pointers to where/how I should do this. Thanks!

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I'd note that we do have tests for single-table polymorphism support in place already. We might be able to improve our default implementation but the intent with identifiers is that you'll configure the cache in your own app to handle edge cases around one record having multiple potential identities.

updateFn(wrapper, data, 'record');
} else {
updateFn(identifier, data, 'record');
Expand Down