packages/core/test/injector/instance-wrapper.spec.ts - master - githubmirror/nest

packages/core/test/injector/instance-wrapper.spec.ts
1 051 строка38 KB
Puneet Dixit
fix(core): propagate dependency tree cache resets
24 май 2026, 09:13
24 май 2026, 09:131b8c8b0
import { Scope } from '@nestjs/common';
import { expect } from 'chai';
import * as sinon from 'sinon';
import { createContextId } from '../../helpers';
import { STATIC_CONTEXT } from '../../injector/constants';
import { InstanceWrapper } from '../../injector/instance-wrapper';

class TestClass {}

describe('InstanceWrapper', () => {
  describe('initialize', () => {
    const partial = {
      name: 'test',
      metatype: TestClass,
      scope: Scope.DEFAULT,
      instance: new TestClass(),
    };
    it('should assign partial', () => {
      const instance = new InstanceWrapper(partial);

      expect(instance.name).to.be.eql(partial.name);
      expect(instance.scope).to.be.eql(partial.scope);
      expect(instance.metatype).to.be.eql(partial.metatype);
    });
    it('should set instance by context id', () => {
      const instance = new InstanceWrapper(partial);

      expect(
        instance.getInstanceByContextId(STATIC_CONTEXT).instance,
      ).to.be.eql(partial.instance);
    });
  });

  describe('isDependencyTreeStatic', () => {
    describe('when circular reference', () => {
      it('should return true', () => {
        const wrapper = new InstanceWrapper();
        const otherWrapper = new InstanceWrapper();
        wrapper.addCtorMetadata(0, otherWrapper);
        otherWrapper.addCtorMetadata(0, wrapper);
        expect(wrapper.isDependencyTreeStatic()).to.be.true;
        expect(otherWrapper.isDependencyTreeStatic()).to.be.true;
      });
    });
    describe('when circular reference and one non static', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper();
        const otherWrapper = new InstanceWrapper({ scope: Scope.REQUEST });
        wrapper.addCtorMetadata(0, otherWrapper);
        otherWrapper.addCtorMetadata(0, wrapper);
        expect(wrapper.isDependencyTreeStatic()).to.be.false;
        expect(otherWrapper.isDependencyTreeStatic()).to.be.false;
      });
    });
    describe('when circular reference and one durable', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper();
        const otherWrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
          durable: true,
        });
        wrapper.addCtorMetadata(0, otherWrapper);
        otherWrapper.addCtorMetadata(0, wrapper);
        expect(wrapper.isDependencyTreeStatic()).to.be.false;
        expect(otherWrapper.isDependencyTreeStatic()).to.be.false;
      });
    });
    describe('when request scoped', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
        });
        expect(wrapper.isDependencyTreeStatic()).to.be.false;
      });
    });
    describe('when request scoped durable', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
          durable: true,
        });
        expect(wrapper.isDependencyTreeStatic()).to.be.false;
      });
    });
    describe('when request scoped explicit non durable', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
          durable: false,
        });
        expect(wrapper.isDependencyTreeStatic()).to.be.false;
      });
    });
    describe('when default', () => {
      it('should return true', () => {
        const wrapper = new InstanceWrapper({});
        expect(wrapper.isDependencyTreeStatic()).to.be.true;
      });
      it('should recompute when dependencies are added after static introspection', () => {
        const wrapper = new InstanceWrapper({});
        expect(wrapper.isDependencyTreeStatic()).to.be.true;

        wrapper.addCtorMetadata(
          0,
          new InstanceWrapper({
            scope: Scope.REQUEST,
          }),
        );

        expect(wrapper.isDependencyTreeStatic()).to.be.false;
      });
      it('should recompute when transitive dependencies change after static introspection', () => {
        const wrapper = new InstanceWrapper({});
        const dependency = new InstanceWrapper({});
        wrapper.addCtorMetadata(0, dependency);
        expect(wrapper.isDependencyTreeStatic()).to.be.true;

        dependency.addCtorMetadata(
          0,
          new InstanceWrapper({
            scope: Scope.REQUEST,
          }),
        );

        expect(wrapper.isDependencyTreeStatic()).to.be.false;
      });
    });
    describe('when statically scoped', () => {
      describe('dependencies, properties, enhancers', () => {
        describe('dependencies non static, properties static, enhancers static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(
              0,
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeStatic()).to.be.false;
          });
        });
        describe('dependencies static, properties non static, enhancers static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            wrapper.addPropertiesMetadata(
              'key1',
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeStatic()).to.be.false;
          });
        });
        describe('dependencies static, properties static, enhancers non static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            expect(wrapper.isDependencyTreeStatic()).to.be.false;
          });
        });
      });
      describe('dependencies', () => {
        describe('when each is static', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            expect(wrapper.isDependencyTreeStatic()).to.be.true;
          });
        });
        describe('when one is not static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            wrapper.addCtorMetadata(
              1,
              new InstanceWrapper({
                scope: Scope.REQUEST,
              }),
            );
            expect(wrapper.isDependencyTreeStatic()).to.be.false;
          });
        });
      });
      describe('properties', () => {
        describe('when each is static', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            wrapper.addPropertiesMetadata('key2', new InstanceWrapper());
            expect(wrapper.isDependencyTreeStatic()).to.be.true;
          });
        });
        describe('when one is not static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addPropertiesMetadata(
              'key1',
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addPropertiesMetadata('key2', new InstanceWrapper());
            expect(wrapper.isDependencyTreeStatic()).to.be.false;
          });
        });
      });
      describe('enhancers', () => {
        describe('when each is static', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeStatic()).to.be.true;
          });
        });
        describe('when one is not static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeStatic()).to.be.false;
          });
        });
      });
    });
  });

  describe('isDependencyTreeDurable', () => {
    describe('when circular reference and default scope', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper();
        const otherWrapper = new InstanceWrapper();
        wrapper.addCtorMetadata(0, otherWrapper);
        otherWrapper.addCtorMetadata(0, wrapper);
        expect(wrapper.isDependencyTreeDurable()).to.be.false;
        expect(otherWrapper.isDependencyTreeDurable()).to.be.false;
      });
    });
    describe('when circular reference and one non durable', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper();
        const otherWrapper = new InstanceWrapper({ scope: Scope.REQUEST });
        wrapper.addCtorMetadata(0, otherWrapper);
        otherWrapper.addCtorMetadata(0, wrapper);
        expect(wrapper.isDependencyTreeDurable()).to.be.false;
        expect(otherWrapper.isDependencyTreeDurable()).to.be.false;
      });
    });
    describe('when circular reference and one durable', () => {
      it('should return true', () => {
        const wrapper = new InstanceWrapper();
        const otherWrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
          durable: true,
        });
        wrapper.addCtorMetadata(0, otherWrapper);
        otherWrapper.addCtorMetadata(0, wrapper);
        expect(wrapper.isDependencyTreeDurable()).to.be.true;
        expect(otherWrapper.isDependencyTreeDurable()).to.be.true;
      });
    });
    describe('when request scoped and durable', () => {
      it('should return true', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
          durable: true,
        });
        expect(wrapper.isDependencyTreeDurable()).to.be.true;
      });
    });
    describe('when request scoped and non durable', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
        });
        expect(wrapper.isDependencyTreeDurable()).to.be.false;
      });
    });
    describe('when request scoped and explicit non durable', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
          durable: false,
        });
        expect(wrapper.isDependencyTreeDurable()).to.be.false;
      });
    });
    describe('when default scope', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper();
        expect(wrapper.isDependencyTreeDurable()).to.be.false;
      });
    });
    describe('when statically scoped', () => {
      describe('dependencies, properties, enhancers', () => {
        describe('dependencies non durable, properties non durable, enhancers durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(
              0,
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addCtorMetadata(1, new InstanceWrapper());
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('dependencies non durable, properties durable, enhancers durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(
              0,
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addCtorMetadata(1, new InstanceWrapper());
            wrapper.addPropertiesMetadata(
              'key1',
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('dependencies non durable, properties durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(
              0,
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addCtorMetadata(1, new InstanceWrapper());
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            wrapper.addPropertiesMetadata(
              'key2',
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('properties durable, enhancers non durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            wrapper.addPropertiesMetadata(
              'key2',
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('dependencies durable, enhancers non durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(
              0,
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
      });
      describe('dependencies', () => {
        describe('when wrapper is non durable and dependency is static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper({ scope: Scope.REQUEST });
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when wrapper is durable and dependency is static', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
              durable: true,
            });
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when wrapper is non durable and dependency is durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
            });
            wrapper.addCtorMetadata(
              0,
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when wrapper is durable and dependency is static', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
              durable: true,
            });
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when wrapper is durable and dependency is non durable', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
              durable: true,
            });
            wrapper.addCtorMetadata(
              0,
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when each is static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when one is not static and non-durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            wrapper.addCtorMetadata(
              1,
              new InstanceWrapper({
                scope: Scope.REQUEST,
              }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when one is not static and durable', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            wrapper.addCtorMetadata(
              1,
              new InstanceWrapper({
                scope: Scope.REQUEST,
                durable: true,
              }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when one is not static, durable and non durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addCtorMetadata(0, new InstanceWrapper());
            wrapper.addCtorMetadata(
              1,
              new InstanceWrapper({
                scope: Scope.REQUEST,
                durable: true,
              }),
            );
            wrapper.addCtorMetadata(
              2,
              new InstanceWrapper({
                scope: Scope.REQUEST,
              }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
      });
      describe('properties', () => {
        describe('when wrapper is non durable and dependency is static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper({ scope: Scope.REQUEST });
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when wrapper is durable and dependency is static', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
              durable: true,
            });
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when wrapper is non durable and dependency is durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
            });
            wrapper.addPropertiesMetadata(
              'key1',
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when wrapper is durable and dependency is static', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
              durable: true,
            });
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when wrapper is durable and dependency is non durable', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
              durable: true,
            });
            wrapper.addPropertiesMetadata(
              'key1',
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when each is static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addPropertiesMetadata('key1', new InstanceWrapper());
            wrapper.addPropertiesMetadata('key2', new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when one is not static and non-durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addPropertiesMetadata(
              'key1',
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addPropertiesMetadata('key2', new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when one is not static and durable', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addPropertiesMetadata(
              'key1',
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            wrapper.addPropertiesMetadata('key2', new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when one is not static, non durable and durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addPropertiesMetadata(
              'key1',
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            wrapper.addPropertiesMetadata('key2', new InstanceWrapper());
            wrapper.addPropertiesMetadata(
              'key3',
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
      });
      describe('enhancers', () => {
        describe('when wrapper is non durable and dependency is static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper({ scope: Scope.REQUEST });
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when wrapper is durable and dependency is static', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
              durable: true,
            });
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when wrapper is non durable and dependency is durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
            });
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when wrapper is durable and dependency is static', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
              durable: true,
            });
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when wrapper is durable and dependency is non durable', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper({
              scope: Scope.REQUEST,
              durable: true,
            });
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when each is static', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when one is not static and non-durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
        describe('when one is not static and durable', () => {
          it('should return true', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            expect(wrapper.isDependencyTreeDurable()).to.be.true;
          });
        });
        describe('when one is not static, non durable and durable', () => {
          it('should return false', () => {
            const wrapper = new InstanceWrapper();
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST, durable: true }),
            );
            wrapper.addEnhancerMetadata(new InstanceWrapper());
            wrapper.addEnhancerMetadata(
              new InstanceWrapper({ scope: Scope.REQUEST }),
            );
            expect(wrapper.isDependencyTreeDurable()).to.be.false;
          });
        });
      });
    });
  });

  describe('isNotMetatype', () => {
    describe('when metatype is nil', () => {
      it('should return true', () => {
        const instance = new InstanceWrapper({ metatype: null });
        expect(instance.isNotMetatype).to.be.true;
      });
    });
    describe('when metatype is not nil', () => {
      it('should return false', () => {
        const instance = new InstanceWrapper({ metatype: TestClass });
        expect(instance.isNotMetatype).to.be.false;
      });
    });
  });

  describe('addEnhancerMetadata', () => {
    it('should add enhancers metadata', () => {
      const instance = new InstanceWrapper();
      const enhancers = [new InstanceWrapper()];
      instance.addEnhancerMetadata(enhancers[0]);
      expect(instance.getEnhancersMetadata()).to.be.eql(enhancers);
    });
  });

  describe('when set instance has been called', () => {
    it('should set static context value', () => {
      const instance = { test: true };
      const wrapper = new InstanceWrapper();
      wrapper.instance = instance;

      expect(wrapper.getInstanceByContextId(STATIC_CONTEXT).instance).to.be.eql(
        instance,
      );
    });
  });

  describe('cloneStaticInstance', () => {
    describe('when wrapper is static', () => {
      it('should return static instance', () => {
        const instance = { test: true };
        const wrapper = new InstanceWrapper({ instance });

        expect(wrapper.cloneStaticInstance({ id: 0 }).instance).to.be.eql(
          instance,
        );
      });
    });
    describe('when wrapper is not static', () => {
      it('should clone instance by context id', () => {
        const instance = { test: true };
        const wrapper = new InstanceWrapper({ instance, scope: Scope.REQUEST });

        expect(wrapper.cloneStaticInstance({ id: 0 }).instance).to.be.undefined;
      });
    });
  });

  describe('getInstanceByContextId', () => {
    describe('when transient and inquirer has been passed', () => {
      it('should call "getInstanceByInquirerId"', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.TRANSIENT,
        });
        const getInstanceByInquirerIdSpy = sinon.spy(
          wrapper,
          'getInstanceByInquirerId',
        );
        wrapper.getInstanceByContextId(STATIC_CONTEXT, 'inquirerId');
        expect(getInstanceByInquirerIdSpy.called).to.be.true;
      });
    });
  });

  describe('setInstanceByContextId', () => {
    describe('when transient and inquirer has been passed', () => {
      it('should call "setInstanceByInquirerId"', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.TRANSIENT,
        });
        const setInstanceByInquirerIdSpy = sinon.spy(
          wrapper,
          'setInstanceByInquirerId',
        );
        wrapper.setInstanceByContextId(
          STATIC_CONTEXT,
          { instance: {} },
          'inquirerId',
        );
        expect(setInstanceByInquirerIdSpy.called).to.be.true;
      });
    });
  });

  describe('removeInstanceByContextId', () => {
    describe('without inquirer', () => {
      it('should remove instance for given context', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.TRANSIENT,
        });

        const contextId = createContextId();
        wrapper.setInstanceByContextId(contextId, { instance: {} });

        const existingContext = wrapper.getInstanceByContextId(contextId);
        expect(existingContext.instance).to.be.not.undefined;
        wrapper.removeInstanceByContextId(contextId);

        const removedContext = wrapper.getInstanceByContextId(contextId);
        expect(removedContext.instance).to.be.undefined;
      });
    });

    describe('when transient and inquirer has been passed', () => {
      it('should remove instance for given context', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.TRANSIENT,
        });

        wrapper.setInstanceByContextId(
          STATIC_CONTEXT,
          { instance: {} },
          'inquirerId',
        );

        const existingContext = wrapper.getInstanceByContextId(
          STATIC_CONTEXT,
          'inquirerId',
        );
        expect(existingContext.instance).to.be.not.undefined;
        wrapper.removeInstanceByContextId(STATIC_CONTEXT, 'inquirerId');

        const removedContext = wrapper.getInstanceByContextId(
          STATIC_CONTEXT,
          'inquirerId',
        );
        expect(removedContext.instance).to.be.undefined;
      });
    });
  });

  describe('isInRequestScope', () => {
    describe('when tree and context are not static and is not transient', () => {
      it('should return true', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
        });
        expect(wrapper.isInRequestScope({ id: 3 })).to.be.true;
      });
    });
    describe('otherwise', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.TRANSIENT,
        });
        expect(wrapper.isInRequestScope({ id: 3 })).to.be.false;

        const wrapper2 = new InstanceWrapper({
          scope: Scope.REQUEST,
        });
        expect(wrapper2.isInRequestScope(STATIC_CONTEXT)).to.be.false;
      });
    });
  });

  describe('isLazyTransient', () => {
    describe('when inquirer is request scoped and context is not static and is transient', () => {
      it('should return true', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.TRANSIENT,
        });
        expect(
          wrapper.isLazyTransient(
            { id: 3 },
            new InstanceWrapper({
              scope: Scope.REQUEST,
            }),
          ),
        ).to.be.true;
      });
    });
    describe('otherwise', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.TRANSIENT,
        });
        expect(wrapper.isLazyTransient({ id: 3 }, new InstanceWrapper())).to.be
          .false;

        const wrapper2 = new InstanceWrapper({
          scope: Scope.REQUEST,
        });
        expect(
          wrapper2.isLazyTransient(
            STATIC_CONTEXT,
            new InstanceWrapper({
              scope: Scope.TRANSIENT,
            }),
          ),
        ).to.be.false;
      });
    });
  });

  describe('isStatic', () => {
    describe('when inquirer is not request scoped and context and tree are static', () => {
      it('should return true', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.DEFAULT,
        });
        expect(
          wrapper.isStatic(
            STATIC_CONTEXT,
            new InstanceWrapper({
              scope: Scope.DEFAULT,
            }),
          ),
        ).to.be.true;
      });
    });
    describe('otherwise', () => {
      it('should return false', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.REQUEST,
        });
        expect(wrapper.isStatic({ id: 3 }, new InstanceWrapper())).to.be.false;

        const wrapper2 = new InstanceWrapper({
          scope: Scope.TRANSIENT,
        });
        expect(
          wrapper2.isStatic(
            STATIC_CONTEXT,
            new InstanceWrapper({
              scope: Scope.REQUEST,
            }),
          ),
        ).to.be.false;
      });
    });
  });

  describe('getStaticTransientInstances', () => {
    describe('when instance is not transient', () => {
      it('should return an empty array', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.DEFAULT,
        });
        expect(wrapper.getStaticTransientInstances()).to.be.eql([]);
      });
    });
    describe('when instance is transient', () => {
      it('should return instances where constructor was called', () => {
        const wrapper = new InstanceWrapper({
          scope: Scope.TRANSIENT,
        });
        const instanceHost = {
          instance: {},
          isConstructorCalled: true,
        };
        wrapper.setInstanceByInquirerId(STATIC_CONTEXT, 'test', instanceHost);
        expect(wrapper.getStaticTransientInstances()).to.be.eql([instanceHost]);
      });

      describe('lifecycle hooks on transient services', () => {
        // Tests for issue #15553: prevent lifecycle hooks on non-instantiated transient services
        it('should filter out instances created with Object.create (prototype only)', () => {
          const wrapper = new InstanceWrapper({
            scope: Scope.TRANSIENT,
          });
          // Simulates what happens in cloneTransientInstance
          const prototypeOnlyInstance = {
            instance: Object.create({}),
            isResolved: true, // This is set to true incorrectly in injector.ts
            isConstructorCalled: false, // But constructor was never called
          };
          wrapper.setInstanceByInquirerId(
            STATIC_CONTEXT,
            'inquirer',
            prototypeOnlyInstance,
          );

          // Should not include this instance for lifecycle hooks
          expect(wrapper.getStaticTransientInstances()).to.be.eql([]);
        });

        it('should include instances where constructor was actually invoked', () => {
          class TestService {}
          const wrapper = new InstanceWrapper({
            scope: Scope.TRANSIENT,
            metatype: TestService,
          });
          // Simulates what happens after instantiateClass
          const properInstance = {
            instance: new TestService(),
            isResolved: true,
            isConstructorCalled: true,
          };
          wrapper.setInstanceByInquirerId(
            STATIC_CONTEXT,
            'inquirer',
            properInstance,
          );

          // Should include this instance for lifecycle hooks
          expect(wrapper.getStaticTransientInstances()).to.be.eql([
            properInstance,
          ]);
        });
      });
    });
  });

  describe('mergeWith', () => {
    describe('when provider is a ValueProvider', () => {
      it('should provide the given value in the STATIC_CONTEXT', () => {
        const wrapper = new InstanceWrapper();
        wrapper.mergeWith({
          useValue: 'value',
          provide: 'token',
        });

        expect(
          wrapper.getInstanceByContextId(STATIC_CONTEXT).instance,
        ).to.be.equal('value');
      });
    });

    describe('when provider is a ClassProvider', () => {
      it('should alter the instance wrapper metatype with the given class', () => {
        const wrapper = new InstanceWrapper();

        wrapper.mergeWith({
          useClass: TestClass,
          provide: 'token',
        });

        expect(wrapper.metatype).to.be.eql(TestClass);
      });
    });

    describe('when provider is a FactoryProvider', () => {
      describe('and it has injected dependencies', () => {
        it('should alter the instance wrapper metatype and inject attributes with the given values', () => {
          const wrapper = new InstanceWrapper();

          const factory = (_dependency1: any, _dependency2: any) => {};
          const injectedDependencies = ['dependency1', 'dependency2'];

          wrapper.mergeWith({
            provide: 'token',
            useFactory: factory,
            inject: injectedDependencies,
          });

          expect(wrapper.metatype).to.be.eql(factory);
          expect(wrapper.inject).to.be.eq(injectedDependencies);
        });
      });

      describe('and it has no injected dependencies', () => {
        it('should alter the instance wrapper metatype with the given values', () => {
          const wrapper = new InstanceWrapper();
          const factory = (_dependency1: any, _dependency2: any) => {};

          wrapper.mergeWith({
            provide: 'token',
            useFactory: factory,
          });

          expect(wrapper.metatype).to.be.eql(factory);
          expect(wrapper.inject).to.be.eql([]);
        });
      });
    });
  });
});