text: import { context } from '@ember/-internals/environment';
  import { run } from '@ember/runloop';
  import { get, setNamespaceSearchDisabled } from '@ember/-internals/metal';
  import { guidFor, getName } from '@ember/-internals/utils';
  import EmberObject from '../../../lib/system/object';
  import Namespace from '../../../lib/system/namespace';
  import { moduleFor, AbstractTestCase } from 'internal-test-helpers';
  
  const originalLookup = context.lookup;
  let lookup;
  
  moduleFor(
    'Namespace',
    class extends AbstractTestCase {
      beforeEach() {
        setNamespaceSearchDisabled(false);
  
        lookup = context.lookup = {};
      }
  
      afterEach() {
        setNamespaceSearchDisabled(false);
  
        for (let prop in lookup) {
          if (lookup[prop]) {
            run(lookup[prop], 'destroy');
          }
        }
  
        context.lookup = originalLookup;
      }
  
      ['@test Namespace should be a subclass of EmberObject'](assert) {
        assert.ok(EmberObject.detect(Namespace));
      }
  
      ['@test Namespace should be duck typed'](assert) {
        let namespace = Namespace.create();
        try {
          assert.ok(get(namespace, 'isNamespace'), 'isNamespace property is true');
        } finally {
          run(namespace, 'destroy');
        }
      }
  
      ['@test Namespace is found and named'](assert) {
        let nsA = (lookup.NamespaceA = Namespace.create());
        assert.equal(
          nsA.toString(),
          'NamespaceA',
          'namespaces should have a name if they are on lookup'
        );
  
        let nsB = (lookup.NamespaceB = Namespace.create());
        assert.equal(
          nsB.toString(),
          'NamespaceB',
          'namespaces work if created after the first namespace processing pass'
        );
      }
  
      ['@test Classes under an Namespace are properly named'](assert) {
        let nsA = (lookup.NamespaceA = Namespace.create());
        nsA.Foo = EmberObject.extend();
        Namespace.processAll();
        assert.equal(getName(nsA.Foo), 'NamespaceA.Foo', 'Classes pick up their parent namespace');
  
        nsA.Bar = EmberObject.extend();
        Namespace.processAll();
        assert.equal(getName(nsA.Bar), 'NamespaceA.Bar', 'New Classes get the naming treatment too');
  
        let nsB = (lookup.NamespaceB = Namespace.create());
        nsB.Foo = EmberObject.extend();
        Namespace.processAll();
        assert.equal(
          getName(nsB.Foo),
          'NamespaceB.Foo',
          'Classes in new namespaces get the naming treatment'
        );
      }
  
      //test("Classes under Ember are properly named", function() {
      //  // ES6TODO: This test does not work reliably when running independent package build with Broccoli config.
      //  Ember.TestObject = EmberObject.extend({});
      //  equal(Ember.TestObject.toString(), "Ember.TestObject", "class under Ember is given a string representation");
      //});
  
      ['@test Lowercase namespaces are no longer supported'](assert) {
        let nsC = (lookup.namespaceC = Namespace.create());
        Namespace.processAll();
        assert.equal(getName(nsC), guidFor(nsC));
      }
  
      ['@test A namespace can be assigned a custom name'](assert) {
        let nsA = Namespace.create({
          name: 'NamespaceA',
        });
  
        try {
          let nsB = (lookup.NamespaceB = Namespace.create({
            name: 'CustomNamespaceB',
          }));
  
          nsA.Foo = EmberObject.extend();
          nsB.Foo = EmberObject.extend();
  
          Namespace.processAll();
  
          assert.equal(
            getName(nsA.Foo),
            'NamespaceA.Foo',
            "The namespace's name is used when the namespace is not in the lookup object"
          );
          assert.equal(
            getName(nsB.Foo),
            'CustomNamespaceB.Foo',
            "The namespace's name is used when the namespace is in the lookup object"
          );
        } finally {
          run(nsA, 'destroy');
        }
      }
  
      ['@test Calling namespace.nameClasses() eagerly names all classes'](assert) {
        setNamespaceSearchDisabled(true);
  
        let namespace = (lookup.NS = Namespace.create());
  
        namespace.ClassA = EmberObject.extend();
        namespace.ClassB = EmberObject.extend();
  
        Namespace.processAll();
  
        assert.equal(getName(namespace.ClassA), 'NS.ClassA');
        assert.equal(getName(namespace.ClassB), 'NS.ClassB');
      }
  
      ['@test A namespace can be looked up by its name'](assert) {
        let NS = (lookup.NS = Namespace.create());
        let UI = (lookup.UI = Namespace.create());
        let CF = (lookup.CF = Namespace.create());
  
        assert.equal(Namespace.byName('NS'), NS);
        assert.equal(Namespace.byName('UI'), UI);
        assert.equal(Namespace.byName('CF'), CF);
      }
  
      ['@test A nested namespace can be looked up by its name'](assert) {
        let UI = (lookup.UI = Namespace.create());
        UI.Nav = Namespace.create();
  
        assert.equal(Namespace.byName('UI.Nav'), UI.Nav);
  
        run(UI.Nav, 'destroy');
      }
  
      ['@test Destroying a namespace before caching lookup removes it from the list of namespaces'](
        assert
      ) {
        let CF = (lookup.CF = Namespace.create());
  
        run(CF, 'destroy');
        assert.equal(Namespace.byName('CF'), undefined, 'namespace can not be found after destroyed');
      }
  
      ['@test Destroying a namespace after looking up removes it from the list of namespaces'](
        assert
      ) {
        let CF = (lookup.CF = Namespace.create());
  
        assert.equal(Namespace.byName('CF'), CF, 'precondition - namespace can be looked up by name');
  
        run(CF, 'destroy');
        assert.equal(Namespace.byName('CF'), undefined, 'namespace can not be found after destroyed');
      }
    }
  );
  