Tests for missing examples

tests/examples/examples/datacontract_missing.yaml

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+dataContractSpecification: 0.9.2
+id: "61111-0002"
+info:
+  title: "Verbraucherpreisindex: Deutschland, Monate"
+  description: A data contract for the distribution and use of the German Consumer Price Index data.
+  version: 1.0.0
+  owner: my-domain-team
+models:
+  verbraucherpreisindex:
+    description: Model representing the Consumer Price Index for Germany
+    fields:
+      wert:
+          description: Value of the Consumer Price Index
+          type: bigint # integer
+          required: true
+      jahrMonat:
+          description: Year and month of the data
+          type: varchar # string
+          required: true
+      qualitaet:
+          description: Quality of the data
+          type: varchar # string
+          enum:
+          - "vorlaeufig"
+          - "endgueltig"

tests/test_examples_examples_missing.py

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+import logging
+
+from typer.testing import CliRunner
+
+from datacontract.cli import app
+from datacontract.data_contract import DataContract
+
+runner = CliRunner()
+
+logging.basicConfig(level=logging.DEBUG, force=True)
+
+
+def test_cli():
+    result = runner.invoke(app, ["test", "--examples", "./examples/examples/datacontract_missing.yaml"])
+    assert result.exit_code == 1
+
+
+def test_missing():
+    data_contract = DataContract(data_contract_file="examples/examples/datacontract_missing.yaml", examples=True)
+    run = data_contract.test()
+    print(run)
+    print(run.result)
+    assert run.result == "warning"
+
+