// ========================================================================== // Project: SproutCore - JavaScript Application Framework // Copyright: ©2006-2011 Apple Inc. and contributors. // License: Licensed under MIT license (see license.js) // ========================================================================== /*globals module ok equals same test MyApp */

// NOTE: The test below are based on the Data Hashes state chart. This models // the “write” event in the NestedStore portion of the diagram.

var store, child, storeKey, json; module(“SC.Store#writeDataHash”, {

setup: function() {
  store = SC.Store.create();

  json = {
    string: "string",
    number: 23,
    bool:   YES
  };

  storeKey = SC.Store.generateStoreKey();
  child = store.chain();  // test multiple levels deep
}

});

// .….….….….….….….….….….….….….….. // BASIC STATE TRANSITIONS //

// The transition from each base state performs the same operation, so just // run the same test on each state. function testWriteDataHash() {

var oldrev = store.revisions[storeKey];

// perform test
var json2 = { foo: "bar" };
equals(store.writeDataHash(storeKey, json2, SC.Record.READY_NEW), store, 'should return receiver');

// verify
equals(store.storeKeyEditState(storeKey), SC.Store.EDITABLE, 'new edit state should be editable');

equals(store.readDataHash(storeKey), json2, 'should have new json data hash');
equals(store.readStatus(storeKey), SC.Record.READY_NEW, 'should have new status');

equals(store.revisions[storeKey], oldrev, 'should not change revision');
if (!SC.none(oldrev)) {
  ok(store.revisions.hasOwnProperty(storeKey), 'should clone reference to revision');
}

}

test(“edit state=LOCKED - also writes a NEW hash”, function() {

// test preconditions
equals(store.storeKeyEditState(storeKey), SC.Store.LOCKED, 'precond - edit state should be locked');

testWriteDataHash();

});

test(“edit state=EDITABLE - also overwrites an EXISTING hash”, function() {

// test preconditions
store.writeDataHash(storeKey, { foo: "bar" });
equals(store.storeKeyEditState(storeKey), SC.Store.EDITABLE, 'precond - edit state should be editable');

testWriteDataHash();

});

// .….….….….….….….….….….….….….….. // PROPOGATING TO NESTED STORES //

test(“change should propogate to child if child edit state = INHERITED”, function() {

// verify preconditions
equals(child.storeKeyEditState(storeKey), SC.Store.INHERITED, 'precond - child edit state should be INHERITED');

// perform change
var json2 = { version: 2 };
store.writeDataHash(storeKey, json2, SC.Record.READY_NEW);

// verify
same(child.readDataHash(storeKey), json2, 'child should pick up change');
equals(child.readStatus(storeKey), SC.Record.READY_NEW, 'child should pick up new status');

});

function testLockedOrEditableChild() {

// perform change
var json2 = { version: 2 };
store.writeDataHash(storeKey, json2, SC.Record.READY_NEW);

// verify
same(child.readDataHash(storeKey), json, 'child should NOT pick up change');
equals(child.readStatus(storeKey), SC.Record.READY_CLEAN, 'child should pick up new status');

}

test(“change should not propogate to child if child edit state = LOCKED”, function() {

store.writeDataHash(storeKey, json, SC.Record.READY_CLEAN);
store.editables = null ; // clear to simulate locked mode.

// verify preconditions
child.readDataHash(storeKey);
equals(child.storeKeyEditState(storeKey), SC.Store.LOCKED, 'precond - child edit state should be LOCKED');

testLockedOrEditableChild();

});

test(“change should not propogate to child if child edit state = EDITABLE”, function() {

store.writeDataHash(storeKey, json, SC.Record.READY_CLEAN);
store.editables = null ; // clear to simulate locked mode.

// verify preconditions
child.readEditableDataHash(storeKey);
equals(child.storeKeyEditState(storeKey), SC.Store.EDITABLE, 'precond - child edit state should be EDITABLE');

testLockedOrEditableChild();

});