unit test

Author: winsvega

src/ethereum_test_specs/blockchain.py

@@ -634,6 +634,12 @@ def make_hive_fixture(
                     alloc = new_alloc
                     env = apply_new_parent(env, header)
                     head_hash = header.block_hash
+
+            if block.expected_post_state:
+                self.verify_post_state(
+                    t8n, t8n_state=alloc, expected_state=block.expected_post_state
+                )
+
         fcu_version = fork.engine_forkchoice_updated_version(header.number, header.timestamp)
         assert (
             fcu_version is not None

src/ethereum_test_specs/tests/test_expect.py

@@ -9,8 +9,10 @@
 from ethereum_test_exceptions import TransactionException
 from ethereum_test_fixtures import BlockchainFixture, FixtureFormat, StateFixture
 from ethereum_test_forks import Fork, get_deployed_forks
+from ethereum_test_tools import Block
 from ethereum_test_types import Alloc, Environment, Storage, Transaction, TransactionReceipt
 
+from ..blockchain import BlockchainTest
 from ..helpers import (
     TransactionExceptionMismatchError,
     TransactionReceiptMismatchError,
@@ -349,3 +351,53 @@ def test_transaction_expectation(
     else:
         with pytest.raises(exception_type) as _:
             state_test.generate(request=None, t8n=t8n, fork=fork, fixture_format=fixture_format)
+
+
+@pytest.mark.parametrize(
+    "fixture_format",
+    [
+        BlockchainFixture,
+    ],
+)
+def test_block_intermediate_state(pre, t8n, fork, fixture_format: FixtureFormat):
+    """Validate the state when building blockchain."""
+    env = Environment()
+    # pre = Alloc()
+    sender = pre.fund_eoa()
+
+    tx = Transaction(gas_limit=100_000, to=None, data=b"", sender=sender)
+    tx_2 = Transaction(gas_limit=100_000, to=None, data=b"", sender=sender)
+
+    block_1 = Block(
+        txs=[tx],
+        expected_post_state={
+            sender: Account(
+                nonce=1,
+            ),
+        },
+    )
+
+    block_2 = Block(txs=[])
+
+    block_3 = Block(
+        txs=[tx_2],
+        expected_post_state={
+            sender: Account(
+                nonce=2,
+            ),
+        },
+    )
+
+    BlockchainTest(
+        genesis_environment=env,
+        fork=fork,
+        t8n=t8n,
+        pre=pre,
+        post=block_3.expected_post_state,
+        blocks=[block_1, block_2, block_3],
+    ).generate(
+        request=None,  # type: ignore
+        t8n=t8n,
+        fork=fork,
+        fixture_format=fixture_format,
+    )