Add GooseAI, CerebriumAI, Petals, ForefrontAI (#981)

Add GooseAI, CerebriumAI, Petals, ForefrontAI

tests/integration_tests/llms/test_cerebrium.py

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+"""Test CerebriumAI API wrapper."""
+
+from langchain.llms.cerebriumai import CerebriumAI
+
+
+def test_cerebriumai_call() -> None:
+    """Test valid call to cerebriumai."""
+    llm = CerebriumAI(max_length=10)
+    output = llm("Say foo:")
+    assert isinstance(output, str)

tests/integration_tests/llms/test_forefrontai.py

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+"""Test ForefrontAI API wrapper."""
+
+from langchain.llms.forefrontai import ForefrontAI
+
+
+def test_forefrontai_call() -> None:
+    """Test valid call to forefrontai."""
+    llm = ForefrontAI(length=10)
+    output = llm("Say foo:")
+    assert isinstance(output, str)

tests/integration_tests/llms/test_gooseai.py

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+"""Test GooseAI API wrapper."""
+
+from langchain.llms.gooseai import GooseAI
+
+
+def test_gooseai_call() -> None:
+    """Test valid call to gooseai."""
+    llm = GooseAI(max_tokens=10)
+    output = llm("Say foo:")
+    assert isinstance(output, str)
+
+
+def test_gooseai_call_fairseq() -> None:
+    """Test valid call to gooseai with fairseq model."""
+    llm = GooseAI(model_name="fairseq-1-3b", max_tokens=10)
+    output = llm("Say foo:")
+    assert isinstance(output, str)
+
+
+def test_gooseai_stop_valid() -> None:
+    """Test gooseai stop logic on valid configuration."""
+    query = "write an ordered list of five items"
+    first_llm = GooseAI(stop="3", temperature=0)
+    first_output = first_llm(query)
+    second_llm = GooseAI(temperature=0)
+    second_output = second_llm(query, stop=["3"])
+    # Because it stops on new lines, shouldn't return anything
+    assert first_output == second_output

tests/integration_tests/llms/test_petals.py

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+"""Test Petals API wrapper."""
+
+from langchain.llms.petals import Petals
+
+
+def test_gooseai_call() -> None:
+    """Test valid call to gooseai."""
+    llm = Petals(max_new_tokens=10)
+    output = llm("Say foo:")
+    assert isinstance(output, str)