git.delta.rocks / unique-network / refs/commits / a93496d96878

difftreelog

Tests refactoring WIP

Max Andreev2023-01-20parent: #ba92b38.patch.diff
in: master

4 files changed

modifiedtests/src/nesting/nest.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/nest.test.ts
+++ b/tests/src/nesting/nest.test.ts
@@ -28,6 +28,7 @@
     });
   });
 
+  /// TODO move
   itSub('Performs the full suite: bundles a token, transfers, and unnests', async ({helper}) => {
     const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
     const targetToken = await collection.mintToken(alice);
@@ -56,77 +57,6 @@
     await newToken.unnest(bob, targetToken, {Substrate: bob.address});
     expect(await newToken.getTopmostOwner()).to.be.deep.equal({Substrate: bob.address});
     expect(await newToken.getOwner()).to.be.deep.equal({Substrate: bob.address});
-  });
-
-  itSub('Transfers an already bundled token', async ({helper}) => {
-    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
-    const tokenA = await collection.mintToken(alice);
-    const tokenB = await collection.mintToken(alice);
-
-    // Create a nested token
-    const tokenC = await collection.mintToken(alice, tokenA.nestingAccount());
-    expect(await tokenC.getOwner()).to.be.deep.equal(tokenA.nestingAccount().toLowerCase());
-
-    // Transfer the nested token to another token
-    await expect(tokenC.transferFrom(alice, tokenA.nestingAccount(), tokenB.nestingAccount())).to.be.fulfilled;
-    expect(await tokenC.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});
-    expect(await tokenC.getOwner()).to.be.deep.equal(tokenB.nestingAccount().toLowerCase());
-  });
-
-  itSub('Checks token children', async ({helper}) => {
-    const collectionA = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
-    const collectionB = await helper.ft.mintCollection(alice);
-
-    const targetToken = await collectionA.mintToken(alice);
-    expect((await targetToken.getChildren()).length).to.be.equal(0, 'Children length check at creation');
-
-    // Create a nested NFT token
-    const tokenA = await collectionA.mintToken(alice, targetToken.nestingAccount());
-    expect(await targetToken.getChildren()).to.have.deep.members([
-      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
-    ], 'Children contents check at nesting #1').and.be.length(1, 'Children length check at nesting #1');
-
-    // Create then nest
-    const tokenB = await collectionA.mintToken(alice);
-    await tokenB.nest(alice, targetToken);
-    expect(await targetToken.getChildren()).to.have.deep.members([
-      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
-      {tokenId: tokenB.tokenId, collectionId: collectionA.collectionId},
-    ], 'Children contents check at nesting #2').and.be.length(2, 'Children length check at nesting #2');
-
-    // Move token B to a different user outside the nesting tree
-    await tokenB.unnest(alice, targetToken, {Substrate: bob.address});
-    expect(await targetToken.getChildren()).to.be.have.deep.members([
-      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
-    ], 'Children contents check at nesting #3 (unnesting)').and.be.length(1, 'Children length check at nesting #3 (unnesting)');
-
-    // Create a fungible token in another collection and then nest
-    await collectionB.mint(alice, 10n);
-    await collectionB.transfer(alice, targetToken.nestingAccount(), 2n);
-    expect(await targetToken.getChildren()).to.be.have.deep.members([
-      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
-      {tokenId: 0, collectionId: collectionB.collectionId},
-    ], 'Children contents check at nesting #4 (from another collection)')
-      .and.be.length(2, 'Children length check at nesting #4 (from another collection)');
-
-    // Move part of the fungible token inside token A deeper in the nesting tree
-    await collectionB.transferFrom(alice, targetToken.nestingAccount(), tokenA.nestingAccount(), 1n);
-    expect(await targetToken.getChildren()).to.be.have.deep.members([
-      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
-      {tokenId: 0, collectionId: collectionB.collectionId},
-    ], 'Children contents check at nesting #5 (deeper)').and.be.length(2, 'Children length check at nesting #5 (deeper)');
-    expect(await tokenA.getChildren()).to.be.have.deep.members([
-      {tokenId: 0, collectionId: collectionB.collectionId},
-    ], 'Children contents check at nesting #5.5 (deeper)').and.be.length(1, 'Children length check at nesting #5.5 (deeper)');
-
-    // Move the remaining part of the fungible token inside token A deeper in the nesting tree
-    await collectionB.transferFrom(alice, targetToken.nestingAccount(), tokenA.nestingAccount(), 1n);
-    expect(await targetToken.getChildren()).to.be.have.deep.members([
-      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
-    ], 'Children contents check at nesting #6 (deeper)').and.be.length(1, 'Children length check at nesting #6 (deeper)');
-    expect(await tokenA.getChildren()).to.be.have.deep.members([
-      {tokenId: 0, collectionId: collectionB.collectionId},
-    ], 'Children contents check at nesting #6.5 (deeper)').and.be.length(1, 'Children length check at nesting #6.5 (deeper)');
   });
 });
 
modifiedtests/src/sub/nesting/common.test.tsdiffbeforeafterboth
before · tests/src/sub/nesting/common.test.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617import {IKeyringPair} from '@polkadot/types/types';18import {expect, itSub, Pallets, usingPlaygrounds} from '../../util';19import {UniqueNFTCollection, UniqueRFTCollection} from '../../util/playgrounds/unique';20import {itEth} from '../../eth/util';2122describe('Nesting', () => {23  let alice: IKeyringPair;2425  before(async () => {26    await usingPlaygrounds(async (helper, privateKey) => {27      const donor = await privateKey({filename: __filename});28      [alice] = await helper.arrange.createAccounts([50n], donor);29    });30  });3132  [33    {mode: 'nft' as const, requiredPallets: []},34    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},35  ].map(testCase => {36    itSub.ifWithPallets(`Owner can nest ${testCase.mode.toUpperCase()}`, testCase.requiredPallets, async ({helper}) => {37      // Only NFT allows nesting, permissions should be set:38      const aliceNFTCollection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});39      const targetToken = await aliceNFTCollection.mintToken(alice);4041      const collectionForNesting = await helper[testCase.mode].mintCollection(alice);4243      // 1. Alice can immediately create nested token:44      const nestedToken1 = testCase.mode === 'nft'45        ? await (collectionForNesting as UniqueNFTCollection).mintToken(alice, targetToken.nestingAccount())46        : await (collectionForNesting as UniqueRFTCollection).mintToken(alice, 10n, targetToken.nestingAccount());47      expect(await nestedToken1.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});48      expect(await nestedToken1.getOwner()).to.be.deep.equal(targetToken.nestingAccount().toLowerCase());4950      // 2. Alice can mint and nest token:51      const nestedToken2 = await collectionForNesting.mintToken(alice);52      await nestedToken2.nest(alice, targetToken);53      expect(await nestedToken2.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});54      expect(await nestedToken2.getOwner()).to.be.deep.equal(targetToken.nestingAccount().toLowerCase());55    });56  });5758  itSub('Owner can nest FT', async ({helper}) => {59    // Only NFT allows nesting, permissions should be set:60    const aliceNFTCollection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});61    const targetToken = await aliceNFTCollection.mintToken(alice);6263    const collectionForNesting = await helper.ft.mintCollection(alice);6465    // 1. Alice can immediately create nested tokens:66    await collectionForNesting.mint(alice, 100n, targetToken.nestingAccount());67    expect(await collectionForNesting.getTop10Owners()).deep.eq([targetToken.nestingAccount().toLowerCase()]);68    expect(await collectionForNesting.getBalance(targetToken.nestingAccount())).eq(100n);6970    // 2. Alice can mint and nest token:71    await collectionForNesting.mint(alice, 100n);72    await collectionForNesting.transfer(alice, targetToken.nestingAccount(), 50n);73    expect(await collectionForNesting.getBalance(targetToken.nestingAccount())).eq(150n);74  });75});7677describe('Nesting negative', () => {78  let alice: IKeyringPair;7980  before(async () => {81    await usingPlaygrounds(async (helper, privateKey) => {82      const donor = await privateKey({filename: __filename});83      [alice] = await helper.arrange.createAccounts([50n], donor);84    });85  });8687  [88    {mode: 'nft' as const, requiredPallets: []},89    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},90  ].map(testCase => {91    itSub.ifWithPallets(`Owner cannot nest ${testCase.mode.toUpperCase()} if nesting not allowed`, testCase.requiredPallets, async ({helper}) => {92    // Create default collection, permissions are not set:93      const aliceNFTCollection = await helper.nft.mintCollection(alice);94      const targetToken = await aliceNFTCollection.mintToken(alice);9596      const collectionForNesting = await helper[testCase.mode].mintCollection(alice);9798      // 1. Alice cannot create immediately nested tokens:99      const nestingTx = testCase.mode === 'nft'100        ? (collectionForNesting as UniqueNFTCollection).mintToken(alice, targetToken.nestingAccount())101        : (collectionForNesting as UniqueRFTCollection).mintToken(alice, 10n, targetToken.nestingAccount());102      await expect(nestingTx).to.be.rejectedWith('common.UserIsNotAllowedToNest');103104      // 2. Alice cannot mint and nest token:105      const nestedToken2 = await collectionForNesting.mintToken(alice);106      await expect(nestedToken2.nest(alice, targetToken)).to.be.rejectedWith('common.UserIsNotAllowedToNest');107    });108  });109110  itSub('Owner cannot nest FT if nesting not allowed', async ({helper}) => {111    // Create default collection, permissions are not set:112    const aliceNFTCollection = await helper.nft.mintCollection(alice);113    const targetToken = await aliceNFTCollection.mintToken(alice);114115    const collectionForNesting = await helper.ft.mintCollection(alice);116117    // 1. Alice cannot create immediately nested tokens:118    await expect(collectionForNesting.mint(alice, 100n, targetToken.nestingAccount())).to.be.rejectedWith('common.UserIsNotAllowedToNest');119120    // 2. Alice can mint and nest token:121    await collectionForNesting.mint(alice, 100n);122    await expect(collectionForNesting.transfer(alice, targetToken.nestingAccount(), 50n)).to.be.rejectedWith('common.UserIsNotAllowedToNest');123  });124125  itSub.ifWithPallets('Cannot nest to a future collection', [Pallets.ReFungible], async ({helper}) => {126    const nonExistingCollectionId = await helper.collection.getTotalCount() + 1000;127    const futureToken = helper.nft.getTokenObject(nonExistingCollectionId, 1);128129    const nftCollectionForNesting = await helper.nft.mintCollection(alice);130    const rftCollectionForNesting = await helper.rft.mintCollection(alice);131    const ftCollectionForNesting = await helper.ft.mintCollection(alice);132133    // 1. Alice cannot create nested token to future token134    await expect(nftCollectionForNesting.mintToken(alice, futureToken.nestingAccount())).to.be.rejectedWith('CollectionNotFound');135    await expect(rftCollectionForNesting.mintToken(alice, 10n, futureToken.nestingAccount())).to.be.rejectedWith('CollectionNotFound');136    await expect(ftCollectionForNesting.mint(alice, 10n, futureToken.nestingAccount())).to.be.rejectedWith('CollectionNotFound');137138    // 2. Alice cannot mint and nest token:139    const nft = await nftCollectionForNesting.mintToken(alice);140    const rft = await rftCollectionForNesting.mintToken(alice, 100n);141    const _ft = await ftCollectionForNesting.mint(alice, 100n);142    await expect(nft.transfer(alice, futureToken.nestingAccount())).to.be.rejectedWith('CollectionNotFound');143    await expect(rft.transfer(alice, futureToken.nestingAccount())).to.be.rejectedWith('CollectionNotFound');144    await expect(ftCollectionForNesting.transfer(alice, futureToken.nestingAccount(), 50n)).to.be.rejectedWith('CollectionNotFound');145  });146147  itSub.ifWithPallets('Cannot nest to a future token in a NFT collection', [Pallets.ReFungible], async ({helper}) => {148    const {collectionId} = await helper.nft.mintCollection(alice);149    // To avoid UserIsNotAllowedToNest error150    await helper.collection.setPermissions(alice, collectionId, {nesting: {collectionAdmin: true}});151    const futureToken = helper.nft.getTokenObject(collectionId, 1);152153    const nftCollectionForNesting = await helper.nft.mintCollection(alice);154    const rftCollectionForNesting = await helper.rft.mintCollection(alice);155    const ftCollectionForNesting = await helper.ft.mintCollection(alice);156157    // 1. Alice cannot create nested token to future token158    await expect(nftCollectionForNesting.mintToken(alice, futureToken.nestingAccount())).to.be.rejectedWith('TokenNotFound');159    await expect(rftCollectionForNesting.mintToken(alice, 10n, futureToken.nestingAccount())).to.be.rejectedWith('TokenNotFound');160    await expect(ftCollectionForNesting.mint(alice, 10n, futureToken.nestingAccount())).to.be.rejectedWith('TokenNotFound');161162    // 2. Alice cannot mint and nest token:163    const nft = await nftCollectionForNesting.mintToken(alice);164    const rft = await rftCollectionForNesting.mintToken(alice, 100n);165    const _ft = await ftCollectionForNesting.mint(alice, 100n);166    await expect(nft.transfer(alice, futureToken.nestingAccount())).to.be.rejectedWith('TokenNotFound');167    await expect(rft.transfer(alice, futureToken.nestingAccount())).to.be.rejectedWith('TokenNotFound');168    await expect(ftCollectionForNesting.transfer(alice, futureToken.nestingAccount(), 50n)).to.be.rejectedWith('TokenNotFound');169  });170171  itEth.ifWithPallets('Cannot nest to collection address', [Pallets.ReFungible], async({helper}) => {172    const existingCollection = await helper.nft.mintCollection(alice);173    const existingCollectionAddress = helper.ethAddress.fromCollectionId(existingCollection.collectionId);174    const futureCollectionAddress = helper.ethAddress.fromCollectionId(99999999);175176    const nftCollectionForNesting = await helper.nft.mintCollection(alice);177178    // 1. Alice cannot create nested token to collection address179    await expect(nftCollectionForNesting.mintToken(alice, {Ethereum: existingCollectionAddress})).to.be.rejectedWith('CantNestTokenUnderCollection');180    await expect(nftCollectionForNesting.mintToken(alice, {Ethereum: futureCollectionAddress})).to.be.rejectedWith('CantNestTokenUnderCollection');181182    // 2. Alice cannot mint and nest token to collection address:183    const nft = await nftCollectionForNesting.mintToken(alice);184    await expect(nft.transfer(alice, {Ethereum: existingCollectionAddress})).to.be.rejectedWith('CantNestTokenUnderCollection');185    await expect(nft.transfer(alice, {Ethereum: futureCollectionAddress})).to.be.rejectedWith('CantNestTokenUnderCollection');186  });187188  itEth.ifWithPallets('Cannot nest in RFT or FT', [Pallets.ReFungible], async ({helper}) => {189  // Create default collection, permissions are not set:190    const rftCollection = await helper.rft.mintCollection(alice);191    const ftCollection = await helper.ft.mintCollection(alice);192193    const rftToken = await rftCollection.mintToken(alice);194    const _ftToken = await ftCollection.mint(alice, 100n);195196    const collectionForNesting = await helper.nft.mintCollection(alice);197198    // 1. Alice cannot create immediately nested tokens:199    await expect(collectionForNesting.mintToken(alice, rftToken.nestingAccount())).to.be.rejectedWith('refungible.RefungibleDisallowsNesting');200    await expect(collectionForNesting.mintToken(alice, {Ethereum: helper.ethAddress.fromTokenId(ftCollection.collectionId, 0)})).to.be.rejectedWith('fungible.FungibleDisallowsNesting');201202    // 2. Alice cannot mint and nest token:203    const nestedToken2 = await collectionForNesting.mintToken(alice);204    await expect(nestedToken2.nest(alice, rftToken)).to.be.rejectedWith('refungible.RefungibleDisallowsNesting');205    await expect(ftCollection.transfer(alice, {Ethereum: helper.ethAddress.fromTokenId(ftCollection.collectionId, 0)})).to.be.rejectedWith('fungible.FungibleDisallowsNesting');206  });207});
after · tests/src/sub/nesting/common.test.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617import {IKeyringPair} from '@polkadot/types/types';18import {expect, itSub, Pallets, usingPlaygrounds} from '../../util';19import {UniqueNFTCollection, UniqueRFTCollection} from '../../util/playgrounds/unique';2021let alice: IKeyringPair;2223before(async () => {24  await usingPlaygrounds(async (helper, privateKey) => {25    const donor = await privateKey({filename: __filename});26    [alice] = await helper.arrange.createAccounts([100n], donor);27  });28});2930[31  {mode: 'nft' as const, requiredPallets: []},32  {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},33].map(testCase => {34  itSub.ifWithPallets(`Owner can nest ${testCase.mode.toUpperCase()} in NFT`, testCase.requiredPallets, async ({helper}) => {35    // Only NFT allows nesting, permissions should be set:36    const aliceNFTCollection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});37    const targetToken = await aliceNFTCollection.mintToken(alice);3839    const collectionForNesting = await helper[testCase.mode].mintCollection(alice);4041    // 1. Alice can immediately create nested token:42    const nestedToken1 = testCase.mode === 'nft'43      ? await (collectionForNesting as UniqueNFTCollection).mintToken(alice, targetToken.nestingAccount())44      : await (collectionForNesting as UniqueRFTCollection).mintToken(alice, 10n, targetToken.nestingAccount());45    expect(await nestedToken1.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});46    expect(await nestedToken1.getOwner()).to.be.deep.equal(targetToken.nestingAccount().toLowerCase());4748    // 2. Alice can mint and nest token:49    const nestedToken2 = await collectionForNesting.mintToken(alice);50    await nestedToken2.nest(alice, targetToken);51    expect(await nestedToken2.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});52    expect(await nestedToken2.getOwner()).to.be.deep.equal(targetToken.nestingAccount().toLowerCase());53  });54});555657itSub('Owner can nest FT in NFT', async ({helper}) => {58  // Only NFT allows nesting, permissions should be set:59  const aliceNFTCollection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});60  const targetToken = await aliceNFTCollection.mintToken(alice);6162  const collectionForNesting = await helper.ft.mintCollection(alice);6364  // 1. Alice can immediately create nested tokens:65  await collectionForNesting.mint(alice, 100n, targetToken.nestingAccount());66  expect(await collectionForNesting.getTop10Owners()).deep.eq([targetToken.nestingAccount().toLowerCase()]);67  expect(await collectionForNesting.getBalance(targetToken.nestingAccount())).eq(100n);6869  // 2. Alice can mint and nest token:70  await collectionForNesting.mint(alice, 100n);71  await collectionForNesting.transfer(alice, targetToken.nestingAccount(), 50n);72  expect(await collectionForNesting.getBalance(targetToken.nestingAccount())).eq(150n);73});747576itSub.ifWithPallets('Owner can transferFrom nested tokens', [Pallets.ReFungible], async ({helper}) => {77  const collectionToNest = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});78  const tokenA = await collectionToNest.mintToken(alice);79  const tokenB = await collectionToNest.mintToken(alice);8081  // Create a nested token82  const nftCollectionToBeNested = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});83  const rftCollectionToBeNested = await helper.rft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});84  const ftCollectionToBeNested = await helper.ft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});8586  const nestedNFT = await nftCollectionToBeNested.mintToken(alice, tokenA.nestingAccount());87  const nestedRFT = await rftCollectionToBeNested.mintToken(alice, 100n, tokenA.nestingAccount());88  const _nestedFT = await ftCollectionToBeNested.mint(alice, 100n, tokenA.nestingAccount());89  expect(await nestedNFT.getOwner()).to.be.deep.equal(tokenA.nestingAccount().toLowerCase());90  expect(await nestedRFT.getOwner()).to.be.deep.equal(tokenA.nestingAccount().toLowerCase());91  expect(await ftCollectionToBeNested.getBalance(tokenA.nestingAccount())).to.equal(100n);9293  // Transfer the nested token to another token94  await nestedNFT.transferFrom(alice, tokenA.nestingAccount(), tokenB.nestingAccount());95  await nestedRFT.transferFrom(alice, tokenA.nestingAccount(), tokenB.nestingAccount(), 25n);96  await ftCollectionToBeNested.transferFrom(alice, tokenA.nestingAccount(), tokenB.nestingAccount(), 25n);9798  expect(await nestedNFT.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});99  expect(await nestedNFT.getOwner()).to.be.deep.equal(tokenB.nestingAccount().toLowerCase());100101  expect(await nestedRFT.getBalance(tokenB.nestingAccount())).to.equal(25n);102  expect(await nestedRFT.getBalance(tokenA.nestingAccount())).to.equal(75n);103104  expect(await ftCollectionToBeNested.getBalance(tokenB.nestingAccount())).to.equal(25n);105  expect(await ftCollectionToBeNested.getBalance(tokenA.nestingAccount())).to.equal(75n);106});
addedtests/src/sub/nesting/e2e.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/sub/nesting/e2e.test.ts
@@ -0,0 +1,104 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {IKeyringPair} from '@polkadot/types/types';
+import {expect, itSub, usingPlaygrounds} from '../../util';
+
+describe('Composite nesting tests', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
+  before(async () => {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = await privateKey({filename: __filename});
+      [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
+    });
+  });
+
+  itSub('Checks token children e2e', async ({helper}) => {
+    const collectionA = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const collectionB = await helper.ft.mintCollection(alice);
+    const collectionC = await helper.rft.mintCollection(alice);
+
+    const targetToken = await collectionA.mintToken(alice);
+    expect((await targetToken.getChildren()).length).to.be.equal(0, 'Children length check at creation');
+
+    // Create a nested NFT token
+    const tokenA = await collectionA.mintToken(alice, targetToken.nestingAccount());
+    expect(await targetToken.getChildren()).to.have.deep.members([
+      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
+    ]).and.has.length(1);
+
+    // Create then nest
+    const tokenB = await collectionA.mintToken(alice);
+    await tokenB.nest(alice, targetToken);
+    expect(await targetToken.getChildren()).to.have.deep.members([
+      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
+      {tokenId: tokenB.tokenId, collectionId: collectionA.collectionId},
+    ]).and.has.length(2);
+
+    // Move token B to a different user outside the nesting tree
+    await tokenB.unnest(alice, targetToken, {Substrate: bob.address});
+    expect(await targetToken.getChildren()).to.have.deep.members([
+      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
+    ]).and.has.length(1);
+
+    // Create a fungible token in another collection and then nest
+    await collectionB.mint(alice, 10n);
+    await collectionB.transfer(alice, targetToken.nestingAccount(), 2n);
+    expect(await targetToken.getChildren()).to.have.deep.members([
+      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
+      {tokenId: 0, collectionId: collectionB.collectionId},
+    ]).and.has.length(2);
+
+    // Create a refungible token in another collection and then nest
+    const tokenC = await collectionC.mintToken(alice, 10n);
+    await tokenC.transfer(alice, targetToken.nestingAccount(), 2n);
+    expect(await targetToken.getChildren()).to.have.deep.members([
+      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
+      {tokenId: 0, collectionId: collectionB.collectionId},
+      {tokenId: tokenC.tokenId, collectionId: collectionC.collectionId},
+    ]).and.has.length(3);
+
+    // Burn all nested pieces
+    await tokenC.burnFrom(alice, targetToken.nestingAccount(), 2n);
+    expect(await targetToken.getChildren()).to.have.deep.members([
+      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
+      {tokenId: 0, collectionId: collectionB.collectionId},
+    ])
+      .and.has.length(2);
+
+    // Move part of the fungible token inside token A deeper in the nesting tree
+    await collectionB.transferFrom(alice, targetToken.nestingAccount(), tokenA.nestingAccount(), 1n);
+    expect(await targetToken.getChildren()).to.be.have.deep.members([
+      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
+      {tokenId: 0, collectionId: collectionB.collectionId},
+    ]).and.has.length(2);
+    // Nested token also has children now:
+    expect(await tokenA.getChildren()).to.have.deep.members([
+      {tokenId: 0, collectionId: collectionB.collectionId},
+    ]).and.has.length(1);
+
+    // Move the remaining part of the fungible token inside token A deeper in the nesting tree
+    await collectionB.transferFrom(alice, targetToken.nestingAccount(), tokenA.nestingAccount(), 1n);
+    expect(await targetToken.getChildren()).to.have.deep.members([
+      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},
+    ]).and.has.length(1);
+    expect(await tokenA.getChildren()).to.have.deep.members([
+      {tokenId: 0, collectionId: collectionB.collectionId},
+    ]).and.has.length(1);
+  });
+});
addedtests/src/sub/nesting/negative.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/sub/nesting/negative.test.ts
@@ -0,0 +1,142 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {IKeyringPair} from '@polkadot/types/types';
+import {expect, itSub, Pallets, usingPlaygrounds} from '../../util';
+import {UniqueNFTCollection, UniqueRFTCollection} from '../../util/playgrounds/unique';
+import {itEth} from '../../eth/util';
+
+let alice: IKeyringPair;
+
+before(async () => {
+  await usingPlaygrounds(async (helper, privateKey) => {
+    const donor = await privateKey({filename: __filename});
+    [alice] = await helper.arrange.createAccounts([50n], donor);
+  });
+});
+
+[
+  {mode: 'nft' as const, requiredPallets: []},
+  {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+].map(testCase => {
+  itSub.ifWithPallets(`Owner cannot nest ${testCase.mode.toUpperCase()} if nesting not allowed`, testCase.requiredPallets, async ({helper}) => {
+    // Create default collection, permissions are not set:
+    const aliceNFTCollection = await helper.nft.mintCollection(alice);
+    const targetToken = await aliceNFTCollection.mintToken(alice);
+
+    const collectionForNesting = await helper[testCase.mode].mintCollection(alice);
+
+    // 1. Alice cannot create immediately nested tokens:
+    const nestingTx = testCase.mode === 'nft'
+      ? (collectionForNesting as UniqueNFTCollection).mintToken(alice, targetToken.nestingAccount())
+      : (collectionForNesting as UniqueRFTCollection).mintToken(alice, 10n, targetToken.nestingAccount());
+    await expect(nestingTx).to.be.rejectedWith('common.UserIsNotAllowedToNest');
+
+    // 2. Alice cannot mint and nest token:
+    const nestedToken2 = await collectionForNesting.mintToken(alice);
+    await expect(nestedToken2.nest(alice, targetToken)).to.be.rejectedWith('common.UserIsNotAllowedToNest');
+  });
+});
+
+itSub('Owner cannot nest FT if nesting not allowed', async ({helper}) => {
+  // Create default collection, permissions are not set:
+  const aliceNFTCollection = await helper.nft.mintCollection(alice);
+  const targetToken = await aliceNFTCollection.mintToken(alice);
+
+  const collectionForNesting = await helper.ft.mintCollection(alice);
+
+  // 1. Alice cannot create immediately nested tokens:
+  await expect(collectionForNesting.mint(alice, 100n, targetToken.nestingAccount())).to.be.rejectedWith('common.UserIsNotAllowedToNest');
+
+  // 2. Alice can mint and nest token:
+  await collectionForNesting.mint(alice, 100n);
+  await expect(collectionForNesting.transfer(alice, targetToken.nestingAccount(), 50n)).to.be.rejectedWith('common.UserIsNotAllowedToNest');
+});
+
+itSub.ifWithPallets('Cannot nest in non existing token', [Pallets.ReFungible], async ({helper}) => {
+  const collection = await helper.nft.mintCollection(alice);
+  // To avoid UserIsNotAllowedToNest error
+  await helper.collection.setPermissions(alice, collection.collectionId, {nesting: {collectionAdmin: true}});
+
+  // The list of non-existing tokens:
+  const tokenFromNonExistingCollection = helper.nft.getTokenObject(9999999, 1);
+  const tokenBurnt = await collection.mintToken(alice);
+  await tokenBurnt.burn(alice);
+  const tokenNotMintedYet = helper.nft.getTokenObject(collection.collectionId, 2);
+
+  // The list of collections to nest tokens from:
+  const nftCollectionForNesting = await helper.nft.mintCollection(alice);
+  const rftCollectionForNesting = await helper.rft.mintCollection(alice);
+  const ftCollectionForNesting = await helper.ft.mintCollection(alice);
+
+  const testCases = [
+    {token: tokenFromNonExistingCollection, error: 'CollectionNotFound'},
+    {token: tokenBurnt, error: 'TokenNotFound'},
+    {token: tokenNotMintedYet, error: 'TokenNotFound'},
+  ];
+
+  for(const testCase of testCases) {
+    // 1. Alice cannot create nested token to non-existing token
+    await expect(nftCollectionForNesting.mintToken(alice, testCase.token.nestingAccount())).to.be.rejectedWith(testCase.error);
+    await expect(rftCollectionForNesting.mintToken(alice, 10n, testCase.token.nestingAccount())).to.be.rejectedWith(testCase.error);
+    await expect(ftCollectionForNesting.mint(alice, 10n, testCase.token.nestingAccount())).to.be.rejectedWith(testCase.error);
+
+    // 2. Alice cannot mint and nest token:
+    const nft = await nftCollectionForNesting.mintToken(alice);
+    const rft = await rftCollectionForNesting.mintToken(alice, 100n);
+    const _ft = await ftCollectionForNesting.mint(alice, 100n);
+    await expect(nft.transfer(alice, testCase.token.nestingAccount())).to.be.rejectedWith(testCase.error);
+    await expect(rft.transfer(alice, testCase.token.nestingAccount())).to.be.rejectedWith(testCase.error);
+    await expect(ftCollectionForNesting.transfer(alice, testCase.token.nestingAccount(), 50n)).to.be.rejectedWith(testCase.error);
+  }
+});
+
+itEth.ifWithPallets('Cannot nest to collection address', [Pallets.ReFungible], async({helper}) => {
+  const existingCollection = await helper.nft.mintCollection(alice);
+  const existingCollectionAddress = helper.ethAddress.fromCollectionId(existingCollection.collectionId);
+  const futureCollectionAddress = helper.ethAddress.fromCollectionId(99999999);
+
+  const nftCollectionForNesting = await helper.nft.mintCollection(alice);
+
+  // 1. Alice cannot create nested token to collection address
+  await expect(nftCollectionForNesting.mintToken(alice, {Ethereum: existingCollectionAddress})).to.be.rejectedWith('CantNestTokenUnderCollection');
+  await expect(nftCollectionForNesting.mintToken(alice, {Ethereum: futureCollectionAddress})).to.be.rejectedWith('CantNestTokenUnderCollection');
+
+  // 2. Alice cannot mint and nest token to collection address:
+  const nft = await nftCollectionForNesting.mintToken(alice);
+  await expect(nft.transfer(alice, {Ethereum: existingCollectionAddress})).to.be.rejectedWith('CantNestTokenUnderCollection');
+  await expect(nft.transfer(alice, {Ethereum: futureCollectionAddress})).to.be.rejectedWith('CantNestTokenUnderCollection');
+});
+
+itEth.ifWithPallets('Cannot nest in RFT or FT', [Pallets.ReFungible], async ({helper}) => {
+  // Create default collection, permissions are not set:
+  const rftCollection = await helper.rft.mintCollection(alice);
+  const ftCollection = await helper.ft.mintCollection(alice);
+
+  const rftToken = await rftCollection.mintToken(alice);
+  const _ftToken = await ftCollection.mint(alice, 100n);
+
+  const collectionForNesting = await helper.nft.mintCollection(alice);
+
+  // 1. Alice cannot create immediately nested tokens:
+  await expect(collectionForNesting.mintToken(alice, rftToken.nestingAccount())).to.be.rejectedWith('refungible.RefungibleDisallowsNesting');
+  await expect(collectionForNesting.mintToken(alice, {Ethereum: helper.ethAddress.fromTokenId(ftCollection.collectionId, 0)})).to.be.rejectedWith('fungible.FungibleDisallowsNesting');
+
+  // 2. Alice cannot mint and nest token:
+  const nestedToken2 = await collectionForNesting.mintToken(alice);
+  await expect(nestedToken2.nest(alice, rftToken)).to.be.rejectedWith('refungible.RefungibleDisallowsNesting');
+  await expect(ftCollection.transfer(alice, {Ethereum: helper.ethAddress.fromTokenId(ftCollection.collectionId, 0)})).to.be.rejectedWith('fungible.FungibleDisallowsNesting');
+});