Lista di cryptovalute (#36)

* CryptoSymbolsTool per recuperare TUTTI i simboli delle criptovalute da Yahoo Finance
* CryptoSymbolsTools integrazione nel sistema di strumenti.
* Removed currency from config
* fix format symbol in all markets

tests/tools/test_crypto_symbols.py

@@ -0,0 +1,27 @@
+import pytest
+from app.api.tools import CryptoSymbolsTools
+
+@pytest.mark.tools
+class TestCryptoSymbolsTools:
+
+    def test_get_symbols(self):
+        tool = CryptoSymbolsTools()
+        symbols = tool.get_all_symbols()
+        assert isinstance(symbols, list)
+        assert "BTC-USD" in symbols
+
+    def test_get_symbol_by_name(self):
+        tool = CryptoSymbolsTools()
+        results = tool.get_symbols_by_name("Bitcoin")
+        assert isinstance(results, list)
+        assert ("BTC-USD", "Bitcoin USD") in results
+
+        results = tool.get_symbols_by_name("Banana")
+        assert isinstance(results, list)
+        assert ("BANANA28886-USD", "BananaCoin USD") in results
+
+    def test_get_symbol_by_invalid_name(self):
+        tool = CryptoSymbolsTools()
+        results = tool.get_symbols_by_name("InvalidName")
+        assert isinstance(results, list)
+        assert not results