Add warning filters for tests.

this should reduce the warning spam so that we can hopefully notice
problematic warnings

tests/unit_tests/config/config_dict_generator.py

@@ -6,6 +6,7 @@
 from dataclasses import dataclass
 from pathlib import Path
 from typing import Any, List, Literal, Optional, Tuple, Union
+from warnings import filterwarnings
 
 import hypothesis.strategies as st
 from hypothesis import assume, note
@@ -530,6 +531,33 @@ def _observation_dates(
 
 @st.composite
 def config_generators(draw, use_eclbase=booleans):
+    filterwarnings(
+        "ignore",
+        message=".*Too small observation error in observation.*",
+        category=UserWarning,
+    )
+    filterwarnings(
+        "ignore",
+        message=".*MIN_REALIZATIONS set to more than NUM_REALIZATIONS.*",
+        category=UserWarning,
+    )
+    filterwarnings(
+        "ignore", message=r".*Segment [^\s]* start after stop.*", category=UserWarning
+    )
+    filterwarnings(
+        "ignore",
+        message=r".*Segment [^\s]* does not contain any time steps.*",
+        category=UserWarning,
+    )
+    filterwarnings(
+        "ignore", message=".*input contained no data.*", category=UserWarning
+    )
+    filterwarnings(
+        "ignore", message=".*Setting ECLBASE without using.*", category=UserWarning
+    )
+    filterwarnings(
+        "ignore", message=".*overflow encountered in.*", category=RuntimeWarning
+    )
     config_values = draw(ert_config_values(use_eclbase=use_eclbase))
 
     should_exist_files = [job_path for _, job_path in config_values.install_job]

tests/unit_tests/config/parsing/test_lark_parser.py

@@ -68,6 +68,9 @@ def test_that_realisation_is_a_alias_of_realization():
     assert config["NUM_REALIZATIONS"] == 1
 
 
+@pytest.mark.filterwarnings(
+    "ignore:.*Using DEFINE with substitution strings that are not of the form '<KEY>'.*:ert.config.ConfigWarning"
+)
 @pytest.mark.usefixtures("use_tmpdir")
 def test_that_redefines_are_applied_correctly_as_forward_model_args():
     test_config_file_name = "test.ert"

tests/unit_tests/config/test_analysis_config.py

@@ -39,6 +39,9 @@ def test_analysis_config_from_file_is_same_as_from_dict():
     )
 
 
+@pytest.mark.filterwarnings(
+    "ignore:.*MIN_REALIZATIONS set to more than NUM_REALIZATIONS.*:ert.config.ConfigWarning"
+)
 @pytest.mark.parametrize(
     "num_realization, min_realizations, expected_min_real",
     [

tests/unit_tests/config/test_ert_config.py

@@ -462,6 +462,7 @@ def test_that_double_comments_are_handled(tmpdir):
         assert ert_config.model_config.jobname_format_string == "&SUM$VAR@12@#£¤/<"
 
 
+@pytest.mark.filterwarnings("ignore:.*Unknown keyword.*:ert.config.ConfigWarning")
 def test_bad_user_config_file_error_message(tmp_path):
     (tmp_path / "test.ert").write_text("NUM_REL 10\n")
     with pytest.raises(ConfigValidationError, match="NUM_REALIZATIONS must be set"):

tests/unit_tests/config/test_transfer_functions.py

@@ -1,11 +1,26 @@
+from warnings import filterwarnings
+
 import numpy as np
+import pytest
 from hypothesis import assume, given
 from hypothesis import strategies as st
 from scipy.stats import norm
 
 from ert.config import TransferFunction
 
 
+@pytest.fixture(autouse=True)
+def filter_warnings():
+    filterwarnings(
+        "ignore",
+        message=".*trans_derff suffered from catastrophic loss of precision.*",
+        category=UserWarning,
+    )
+    filterwarnings(
+        "ignore", message=".*overflow encountered in.*", category=RuntimeWarning
+    )
+
+
 def nice_floats(*args, **kwargs):
     return st.floats(*args, allow_nan=False, allow_infinity=False, **kwargs)
 

tests/unit_tests/test_enkf_main.py

@@ -7,6 +7,9 @@
 from ert.enkf_main import create_run_path, ensemble_context, sample_prior
 
 
+@pytest.mark.filterwarnings(
+    "ignore:Setting ECLBASE without using.*:ert.config.ConfigWarning"
+)
 @pytest.mark.parametrize(
     "config_dict",
     [
@@ -44,7 +47,10 @@ def test_create_run_context(prior_ensemble, config_dict):
     assert substitutions.get("<ECLBASE>") == "name<IENS>"
 
 
-def test_create_run_context_separate_base_and_name(monkeypatch, prior_ensemble):
+@pytest.mark.filterwarnings(
+    "ignore:Setting ECLBASE without using.*:ert.config.ConfigWarning"
+)
+def test_create_run_context_separate_base_and_name(prior_ensemble):
     iteration = 0
     ensemble_size = 10
     config = ErtConfig.from_dict({"JOBNAME": "name<IENS>", "ECLBASE": "base<IENS>"})

tests/unit_tests/test_load_forward_model.py

@@ -87,6 +87,9 @@ def test_load_forward_model(snake_oil_default_storage):
         ]  # Check that status is as expected
 
 
+@pytest.mark.filterwarnings(
+    "ignore:Setting ECLBASE without using.*:ert.config.ConfigWarning"
+)
 @pytest.mark.usefixtures("use_tmpdir")
 @pytest.mark.parametrize(
     "summary_configuration, expected",

tests/unit_tests/test_run_path_creation.py

@@ -2,6 +2,7 @@
 from datetime import datetime
 from pathlib import Path
 from textwrap import dedent
+from warnings import filterwarnings
 
 import pytest
 
@@ -12,6 +13,13 @@
 from ert.storage import StorageAccessor
 
 
+@pytest.fixture(autouse=True)
+def filter_configwarning():
+    filterwarnings(
+        "ignore", message="Setting ECLBASE without using.*", category=UserWarning
+    )
+
+
 @pytest.mark.usefixtures("use_tmpdir")
 def test_that_run_template_replace_symlink_does_not_write_to_source(prior_ensemble):
     """This test is meant to test that we can have a symlinked file in the
@@ -326,10 +334,13 @@ def test_that_data_file_sets_num_cpu(eclipse_data, expected_cpus):
     assert int(ert_config.substitution_list["<NUM_CPU>"]) == expected_cpus
 
 
+@pytest.mark.filterwarnings(
+    "ignore:.*RUNPATH keyword contains deprecated value placeholders.*:ert.config.ConfigWarning"
+)
 @pytest.mark.usefixtures("use_tmpdir")
-def test_that_runpath_substitution_remain_valid(prior_ensemble):
+def test_that_deprecated_runpath_substitution_remain_valid(prior_ensemble):
     """
-    This checks that runpath substitution remain intact.
+    This checks that deprecated runpath substitution, using %d, remain intact.
     """
     config_text = dedent(
         """
@@ -538,6 +549,9 @@ def test_num_cpu_subst(monkeypatch, tmp_path, append, numcpu, storage):
         ),
     ],
 )
+@pytest.mark.filterwarnings(
+    "ignore:.*RUNPATH keyword contains deprecated value placeholders.*:ert.config.ConfigWarning"
+)
 @pytest.mark.usefixtures("use_tmpdir")
 def test_that_runpaths_are_raised_when_invalid(run_path, expected_raise, msg):
     """