update adapter version messages

.changes/unreleased/Fixes-20241025-104339.yaml

@@ -0,0 +1,6 @@
+kind: Fixes
+body: update adapter version messages
+time: 2024-10-25T10:43:39.274723-05:00
+custom:
+  Author: dave-connors-3
+  Issue: "10230"

core/dbt/version.py

@@ -130,7 +130,11 @@ def _get_plugin_msg_info(
 
     needs_update = False
 
-    if plugin.major != core.major or plugin.minor != core.minor:
+    assert plugin.major is not None
+    assert plugin.minor is not None
+    assert core.major is not None
+    assert core.minor is not None
+    if plugin.major != core.major or plugin.minor < core.minor:
         compatibility_msg = red("Not compatible!")
         needs_update = True
         return (compatibility_msg, needs_update)

tests/unit/test_version.py

@@ -489,6 +489,99 @@ def test_plugin_diff_core_minor_ahead_latest(self, mocker):
 
         assert expected == actual
 
+    def test_plugin_diff_plugin_minor_ahead_latest(self, mocker):
+        """
+        Now that adapters are decoupled from core, a higher minor version of a plugin
+        is compatible with a lower minor version of core.
+        """
+
+        mock_versions(
+            mocker,
+            installed="1.8.0",
+            latest="1.8.0",
+            plugins={
+                "foobar": ("1.9.0", "1.9.0"),
+            },
+        )
+
+        actual = dbt.version.get_version_information()
+        expected = "\n".join(
+            [
+                "Core:",
+                "  - installed: 1.8.0",
+                f"  - latest:    1.8.0 - {green('Up to date!')}",
+                "",
+                "Plugins:",
+                f"  - foobar: 1.9.0 - {green('Up to date!')}",
+                "",
+                "",
+            ]
+        )
+
+        assert expected == actual
+
+    def test_plugin_diff_plugin_patch_ahead_latest(self, mocker):
+        """
+        Now that adapters are decoupled from core, a higher minor version of a plugin
+        is compatible with a lower minor version of core.
+        """
+
+        mock_versions(
+            mocker,
+            installed="1.8.0",
+            latest="1.8.0",
+            plugins={
+                "foobar": ("1.8.4", "1.8.4"),
+            },
+        )
+
+        actual = dbt.version.get_version_information()
+        expected = "\n".join(
+            [
+                "Core:",
+                "  - installed: 1.8.0",
+                f"  - latest:    1.8.0 - {green('Up to date!')}",
+                "",
+                "Plugins:",
+                f"  - foobar: 1.8.4 - {green('Up to date!')}",
+                "",
+                "",
+            ]
+        )
+
+        assert expected == actual
+
+    def test_plugin_diff_plugin_minor_ahead_no_latest(self, mocker):
+        """
+        Now that adapters are decoupled from core, a higher minor version of a plugin
+        is compatible with a lower minor version of core.
+        """
+
+        mock_versions(
+            mocker,
+            installed="1.8.0",
+            latest="1.8.0",
+            plugins={
+                "foobar": ("1.9.0", None),
+            },
+        )
+
+        actual = dbt.version.get_version_information()
+        expected = "\n".join(
+            [
+                "Core:",
+                "  - installed: 1.8.0",
+                f"  - latest:    1.8.0 - {green('Up to date!')}",
+                "",
+                "Plugins:",
+                f"  - foobar: 1.9.0 - {yellow('Could not determine latest version')}",
+                "",
+                "",
+            ]
+        )
+
+        assert expected == actual
+
     def test_plugin_diff_core_minor_behind_latest(self, mocker):
         mock_versions(
             mocker,