Add test of schema validation

Author: dsotirho-ucsc

test/hca_metadata_api/test.py

@@ -68,6 +68,9 @@
 from humancellatlas.data.metadata.helpers.json import (
     as_json,
 )
+from humancellatlas.data.metadata.helpers.schema_validation import (
+    SchemaValidator,
+)
 from humancellatlas.data.metadata.helpers.staging_area import (
     CannedStagingAreaFactory,
 )
@@ -791,6 +794,28 @@ def test_invalid_schema_domain(self):
         )
         self.assertEqual(expected, cm.exception.args[0].args)
 
+    def test_schema_validation(self):
+        validator = SchemaValidator()
+        good_data = {
+            'describedBy': 'https://schema.humancellatlas.org/type/file/9.6.0/sequence_file',
+            'schema_type': 'file',
+            'file_core': {'file_name': 'foo.fastq.gz', 'format': 'fastq.gz'},
+            'read_index': 'read1',
+        }
+        validator.validate_json(good_data, 'good.json')
+
+        bad_data = {
+            'describedBy': 'https://schema.humancellatlas.org/type/file/9.6.0/sequence_file',
+            'schema_type': 'file',
+            'file_core': {'file_name': 'foo.fastq.gz', 'format': 'fastq.gz'},
+            'read_index': 'bad-value',
+        }
+        with self.assertRaises(AssertionError) as cm:
+            validator.validate_json(bad_data, 'bad.json')
+        expected = ("'bad-value' is not one of ['read1', 'read2', 'read3', "
+                    "'read4', 'index1', 'index2', 'single-end, non-indexed']")
+        self.assertEqual(expected, cm.exception.args[0].args[1])
+
 
 def load_tests(_loader, tests, _ignore):
     modules = (