Add tests

tests/test_task_errors.py

+import pytest
+from validata_core import validate
+
+
+@pytest.fixture()
+def schema_with_orphan_custom_check():
+    return {
+        "$schema": "https://frictionlessdata.io/schemas/table-schema.json",
+        "fields": [
+            {
+                "name": "siren",
+                "title": "Numéro SIREN",
+                "type": "string",
+            }
+        ],
+        "custom_checks": [
+            {"name": "french-siren-value", "params": {"column": "sirene"}}
+        ],
+    }
+
+
+@pytest.fixture()
+def schema_with_unknown_custom_check():
+    return {
+        "$schema": "https://frictionlessdata.io/schemas/table-schema.json",
+        "fields": [
+            {
+                "name": "siren",
+                "title": "Numéro SIREN",
+                "type": "string",
+            }
+        ],
+        "custom_checks": [{"name": "foo-siren-value", "params": {"column": "sirene"}}],
+    }
+
+
+@pytest.fixture()
+def schema_with_non_existing_primary_key():
+    return {
+        "$schema": "https://frictionlessdata.io/schemas/table-schema.json",
+        "fields": [
+            {
+                "name": "a",
+            }
+        ],
+        "primaryKey": ["b"],
+    }
+
+
+@pytest.fixture()
+def schema_with_existing_primary_key():
+    return {
+        "$schema": "https://frictionlessdata.io/schemas/table-schema.json",
+        "fields": [
+            {
+                "name": "a",
+            }
+        ],
+        "primaryKey": ["a"],
+    }
+
+
+def test_schema_with_orphan_custom_checks(schema_with_orphan_custom_check):
+    source = [["siren"], ["529173189"]]
+    report = validate(source, schema_with_orphan_custom_check)
+    assert not report.valid
+
+    # Error doesn't appear in error common list
+    assert len(report.errors) == 0
+
+    # but in task errors
+    assert len(report.tasks[0].errors) == 1
+
+    # as a 'check-error'
+    assert report.tasks[0].errors[0]["code"] == "check-error"
+
+
+def test_schema_with_unknown_custom_checks(schema_with_unknown_custom_check):
+    source = [["siren"], ["529173189"]]
+    report = validate(source, schema_with_unknown_custom_check)
+    assert not report.valid
+
+    # Error doesn't appear in error common list
+    assert len(report.errors) == 0
+
+    # but in task errors
+    assert len(report.tasks[0].errors) == 1
+
+    # as a 'check-error'
+    assert report.tasks[0].errors[0]["code"] == "check-error"
+    print(report.tasks[0].errors[0]["note"])
+
+
+def test_primary_key_schema(schema_with_non_existing_primary_key):
+    source = [["a"], ["foo"]]
+    report = validate(source, schema_with_non_existing_primary_key)
+    assert not report.valid
+    assert report["errors"]
+    assert report["errors"][0]["code"] == "schema-error"
+
+
+def test_primary_key_schema_2(schema_with_existing_primary_key):
+    source = [["b"], ["foo"]]
+    report = validate(source, schema_with_existing_primary_key)
+    assert not report.valid
+    assert not report["errors"]
+    assert report["tasks"]
+    assert report["tasks"][0]["errors"]
+    assert report["tasks"][0]["errors"][0]["code"] == "schema-error"