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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| @testable import Blockchain | ||
| import Foundation | ||
| import Testing | ||
| import Utils | ||
|
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| struct StateTrieTests { | ||
| let backend = InMemoryBackend() | ||
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| // MARK: - Basic Operations Tests | ||
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| @Test | ||
| func testEmptyTrie() async throws { | ||
| let trie = StateTrie(rootHash: Data32(), backend: backend) | ||
| let key = Data32.random() | ||
| let value = try await trie.read(key: key) | ||
| #expect(value == nil) | ||
| } | ||
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| @Test | ||
| func testInsertAndRetrieveSingleValue() async throws { | ||
| let trie = StateTrie(rootHash: Data32(), backend: backend) | ||
| let key = Data([1]).blake2b256hash() | ||
| let value = Data("test value".utf8) | ||
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| try await trie.update([(key: key, value: value)]) | ||
| try await trie.save() | ||
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| let retrieved = try await trie.read(key: key) | ||
| #expect(retrieved == value) | ||
| } | ||
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| @Test | ||
| func testInsertAndRetrieveMultipleValues() async throws { | ||
| let trie = StateTrie(rootHash: Data32(), backend: backend) | ||
| let pairs = (0 ..< 5).map { i in | ||
| let data = Data(String(i).utf8) | ||
| return (key: data.blake2b256hash(), value: data) | ||
| } | ||
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| try await trie.update(pairs) | ||
| try await trie.save() | ||
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| for (i, (key, value)) in pairs.enumerated() { | ||
| let retrieved = try await trie.read(key: key) | ||
| #expect(retrieved == value, "Failed at index \(i)") | ||
| } | ||
| } | ||
|
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| // MARK: - Update Tests | ||
|
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| @Test | ||
| func testUpdateExistingValue() async throws { | ||
| let trie = StateTrie(rootHash: Data32(), backend: backend) | ||
| let key = Data32.random() | ||
| let value1 = Data("value1".utf8) | ||
| let value2 = Data("value2".utf8) | ||
|
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| try await trie.update([(key: key, value: value1)]) | ||
| try await trie.save() | ||
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| try await trie.update([(key: key, value: value2)]) | ||
| try await trie.save() | ||
|
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| let retrieved = try await trie.read(key: key) | ||
| #expect(retrieved == value2) | ||
| } | ||
|
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| @Test | ||
| func testDeleteValue() async throws { | ||
| let trie = StateTrie(rootHash: Data32(), backend: backend) | ||
| let key = Data32.random() | ||
| let value = Data("test".utf8) | ||
|
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| try await trie.update([(key: key, value: value)]) | ||
| try await trie.save() | ||
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| try await trie.update([(key: key, value: nil)]) | ||
| try await trie.save() | ||
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| let retrieved = try await trie.read(key: key) | ||
| #expect(retrieved == nil) | ||
| } | ||
|
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| // MARK: - Large Value Tests | ||
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| @Test | ||
| func testLargeValue() async throws { | ||
| let trie = StateTrie(rootHash: Data32(), backend: backend) | ||
| let key = Data32.random() | ||
| let value = Data(repeating: 0xFF, count: 1000) // Value larger than 32 bytes | ||
|
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| try await trie.update([(key: key, value: value)]) | ||
| try await trie.save() | ||
|
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| let retrieved = try await trie.read(key: key) | ||
| #expect(retrieved == value) | ||
| } | ||
|
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| // MARK: - Root Hash Tests | ||
|
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| @Test | ||
| func testRootHashChanges() async throws { | ||
| let trie = StateTrie(rootHash: Data32(), backend: backend) | ||
| let initialRoot = await trie.rootHash | ||
|
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| let key = Data32.random() | ||
| let value = Data("test".utf8) | ||
|
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| try await trie.update([(key: key, value: value)]) | ||
| try await trie.save() | ||
|
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| let newRoot = await trie.rootHash | ||
| #expect(initialRoot != newRoot) | ||
| } | ||
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| @Test | ||
| func testRootHashConsistency() async throws { | ||
| let trie1 = StateTrie(rootHash: Data32(), backend: backend) | ||
| let trie2 = StateTrie(rootHash: Data32(), backend: backend) | ||
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| let pairs = (0 ..< 5).map { i in | ||
| let data = Data(String(i).utf8) | ||
| return (key: data.blake2b256hash(), value: data) | ||
| } | ||
|
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| // Apply same updates to both tries | ||
| try await trie1.update(pairs) | ||
| try await trie1.save() | ||
|
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| try await trie2.update(pairs) | ||
| try await trie2.save() | ||
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| #expect(await trie1.rootHash == trie2.rootHash) | ||
| } | ||
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| // TODO: test for gc, ref counting & pruning, raw value ref counting & cleaning | ||
| } |