Create functors to initialize event types with str-type member attrib…

…utes.

Before this change, the spec of various classes expected base_msg and msg params to be str's. This assumption did not always hold true. post_init hooks ensures the spec is obeyed.

core/dbt/events/adapter_endpoint.py

@@ -9,6 +9,7 @@
 )
 
 
+# N.B. No guarantees for what type param msg is.
 @dataclass
 class AdapterLogger:
     name: str

core/dbt/events/base_types.py

@@ -99,6 +99,23 @@ def level_tag(self) -> str:
         return "error"
 
 
+# Included to ensure classes with str-type message members are initialized correctly.
+@dataclass  # type: ignore[misc]
+class AdapterEventStringFunctor:
+    def __post_init__(self):
+        super().__post_init__()
+        if not isinstance(self.base_msg, str):
+            self.base_msg = str(self.base_msg)
+
+
+@dataclass  # type: ignore[misc]
+class EventStringFunctor:
+    def __post_init__(self):
+        super().__post_init__()
+        if not isinstance(self.msg, str):
+            self.msg = str(self.msg)
+
+
 # prevents an event from going to the file
 # This should rarely be used in core code. It is currently
 # only used in integration tests and for the 'clean' command.

core/dbt/events/types.py

@@ -7,6 +7,8 @@
     WarnLevel,
     ErrorLevel,
     Cache,
+    AdapterEventStringFunctor,
+    EventStringFunctor,
 )
 from dbt.events.format import format_fancy_output_line, pluralize
 
@@ -309,7 +311,7 @@ def message(self) -> str:
 
 
 @dataclass
-class AdapterEventDebug(DebugLevel, pt.AdapterEventDebug):  # noqa
+class AdapterEventDebug(DebugLevel, AdapterEventStringFunctor, pt.AdapterEventDebug):  # noqa
     def code(self):
         return "E001"
 
@@ -318,7 +320,7 @@ def message(self):
 
 
 @dataclass
-class AdapterEventInfo(InfoLevel, pt.AdapterEventInfo):  # noqa
+class AdapterEventInfo(InfoLevel, AdapterEventStringFunctor, pt.AdapterEventInfo):  # noqa
     def code(self):
         return "E002"
 
@@ -327,7 +329,7 @@ def message(self):
 
 
 @dataclass
-class AdapterEventWarning(WarnLevel, pt.AdapterEventWarning):  # noqa
+class AdapterEventWarning(WarnLevel, AdapterEventStringFunctor, pt.AdapterEventWarning):  # noqa
     def code(self):
         return "E003"
 
@@ -336,7 +338,7 @@ def message(self):
 
 
 @dataclass
-class AdapterEventError(ErrorLevel, pt.AdapterEventError):  # noqa
+class AdapterEventError(ErrorLevel, AdapterEventStringFunctor, pt.AdapterEventError):  # noqa
     def code(self):
         return "E004"
 
@@ -1227,7 +1229,7 @@ def message(self) -> str:
 
 
 @dataclass
-class InvalidRefInTestNode(DebugLevel, pt.InvalidRefInTestNode):
+class InvalidRefInTestNode(DebugLevel, EventStringFunctor, pt.InvalidRefInTestNode):
     def code(self):
         return "I051"
 
@@ -1334,7 +1336,7 @@ def message(self) -> str:
 
 
 @dataclass
-class MacroEventInfo(InfoLevel, pt.MacroEventInfo):
+class MacroEventInfo(InfoLevel, EventStringFunctor, pt.MacroEventInfo):
     def code(self):
         return "M011"
 
@@ -1343,7 +1345,7 @@ def message(self) -> str:
 
 
 @dataclass
-class MacroEventDebug(DebugLevel, pt.MacroEventDebug):
+class MacroEventDebug(DebugLevel, EventStringFunctor, pt.MacroEventDebug):
     def code(self):
         return "M012"
 
@@ -2308,7 +2310,7 @@ def message(self) -> str:
 
 
 @dataclass
-class AfterFirstRunResultError(ErrorLevel, pt.AfterFirstRunResultError):
+class AfterFirstRunResultError(ErrorLevel, EventStringFunctor, pt.AfterFirstRunResultError):
     def code(self):
         return "Z029"
 
@@ -2476,7 +2478,7 @@ def message(self) -> str:
 
 
 @dataclass
-class RunResultWarningMessage(WarnLevel, pt.RunResultWarningMessage):
+class RunResultWarningMessage(WarnLevel, EventStringFunctor, pt.RunResultWarningMessage):
     def code(self):
         return "Z049"