Allow parsing lists of simple test assertions

lib/galaxy/tool_util/parser/yaml.py

@@ -267,7 +267,7 @@ def _parse_test(i, test_dict) -> ToolSourceTest:
     return test_dict
 
 
-def __to_test_assert_list(assertions) -> AssertionList:
+def to_test_assert_list(assertions) -> AssertionList:
     def expand_dict_form(item):
         key, value = item
         new_value = value.copy()
@@ -281,6 +281,12 @@ def expand_dict_form(item):
     for assertion in assertions:
         # TODO: not handling nested assertions correctly,
         # not sure these are used though.
+        if "that" not in assertion:
+            new_assertion = {}
+            for assertion_key, assertion_value in assertion.items():
+                new_assertion["that"] = assertion_key
+                new_assertion.update(assertion_value)
+            assertion = new_assertion
         children = []
         if "children" in assertion:
             children = assertion["children"]
@@ -295,6 +301,9 @@ def expand_dict_form(item):
     return assert_list or None  # XML variant is None if no assertions made
 
 
+__to_test_assert_list = to_test_assert_list
+
+
 class YamlPageSource(PageSource):
     def __init__(self, inputs_list):
         self.inputs_list = inputs_list

test/unit/tool_util/test_test_parsing.py

@@ -0,0 +1,40 @@
+import yaml
+
+from galaxy.tool_util.parser.yaml import to_test_assert_list
+
+# Legacy style
+ASSERT_THAT_LIST = yaml.safe_load(
+    """
+- that: "has_text"
+  text: "Number of input reads |\t1051466"
+- that: "has_text"
+  text: "Uniquely mapped reads number |\t871202"
+"""
+)
+# New list of assertion style
+ASSERT_LIST = yaml.safe_load(
+    """
+- has_text:
+    text: "Number of input reads |\t1051466"
+- has_text:
+    text: "Uniquely mapped reads number |\t871202"
+"""
+)
+# Singleton assertion
+SIMPLE_ASSERT = {"has_text": {"text": "Number of input reads |\t1051466"}}
+
+
+def test_assert_that_list_to_test_assert_list():
+    to_test_assert_list(ASSERT_THAT_LIST)
+
+
+def test_assert_list_to_test_assert_list():
+    to_test_assert_list(ASSERT_LIST)
+
+
+def test_simple_assert_to_test_assert_list():
+    to_test_assert_list(SIMPLE_ASSERT)
+
+
+def test_assert_legacy_same_as_new_list_style():
+    assert to_test_assert_list(ASSERT_THAT_LIST) == to_test_assert_list(ASSERT_THAT_LIST)