Show labels for methods only classified in test and generated

extensions/ql-vscode/src/stories/data-extensions-editor/DataExtensionsEditor.stories.tsx

@@ -116,6 +116,17 @@ DataExtensionsEditor.args = {
           },
           classification: CallClassification.Source,
         },
+        {
+          label: "println(...)",
+          url: {
+            uri: "file:/home/runner/work/sql2o-example/sql2o-example/src/test/java/org/example/HelloControllerTest.java",
+            startLine: 29,
+            startColumn: 9,
+            endLine: 29,
+            endColumn: 49,
+          },
+          classification: CallClassification.Test,
+        },
       ],
     },
     {
@@ -170,17 +181,30 @@ DataExtensionsEditor.args = {
       methodParameters: "(String)",
       supported: false,
       supportedType: "none",
-      usages: Array(4).fill({
-        label: "new Sql2o(...)",
-        url: {
-          uri: "file:/home/runner/work/sql2o-example/sql2o-example/src/main/java/org/example/HelloController.java",
-          startLine: 23,
-          startColumn: 23,
-          endLine: 23,
-          endColumn: 36,
+      usages: [
+        ...Array(4).fill({
+          label: "new Sql2o(...)",
+          url: {
+            uri: "file:/home/runner/work/sql2o-example/sql2o-example/src/main/java/org/example/HelloController.java",
+            startLine: 23,
+            startColumn: 23,
+            endLine: 23,
+            endColumn: 36,
+          },
+          classification: CallClassification.Test,
+        }),
+        {
+          label: "new Sql2o(...)",
+          url: {
+            uri: "file:/home/runner/work/sql2o-example/sql2o-example/build/generated/java/org/example/HelloControllerGenerated.java",
+            startLine: 23,
+            startColumn: 23,
+            endLine: 23,
+            endColumn: 36,
+          },
+          classification: CallClassification.Generated,
         },
-        classification: CallClassification.Source,
-      }),
+      ],
     },
   ],
   initialModeledMethods: {

extensions/ql-vscode/src/view/data-extensions-editor/MethodRow.tsx

@@ -3,13 +3,17 @@ import {
   VSCodeDataGridCell,
   VSCodeDataGridRow,
   VSCodeLink,
+  VSCodeTag,
 } from "@vscode/webview-ui-toolkit/react";
 import * as React from "react";
 import { ChangeEvent, useCallback, useMemo } from "react";
 import styled from "styled-components";
 import { vscode } from "../vscode-api";
 
-import { ExternalApiUsage } from "../../data-extensions-editor/external-api-usage";
+import {
+  CallClassification,
+  ExternalApiUsage,
+} from "../../data-extensions-editor/external-api-usage";
 import {
   ModeledMethod,
   ModeledMethodType,
@@ -39,6 +43,12 @@ const ViewLink = styled(VSCodeLink)`
   white-space: nowrap;
 `;
 
+const ClassificationsContainer = styled.div`
+  display: inline-flex;
+  flex-direction: row;
+  gap: 0.5rem;
+`;
+
 const modelTypeOptions: Array<{ value: ModeledMethodType; label: string }> = [
   { value: "none", label: "Unmodeled" },
   { value: "source", label: "Source" },
@@ -194,6 +204,20 @@ function ModelableMethodRow(props: Props) {
       : undefined;
   const showKindCell = predicate?.supportedKinds;
 
+  const allUsageClassifications = useMemo(
+    () =>
+      new Set(
+        externalApiUsage.usages.map((usage) => {
+          return usage.classification;
+        }),
+      ),
+    [externalApiUsage.usages],
+  );
+
+  const inSource = allUsageClassifications.has(CallClassification.Source);
+  const inTest = allUsageClassifications.has(CallClassification.Test);
+  const inGenerated = allUsageClassifications.has(CallClassification.Generated);
+
   return (
     <VSCodeDataGridRow>
       <ApiOrMethodCell gridColumn={1}>
@@ -205,6 +229,12 @@ function ModelableMethodRow(props: Props) {
           </UsagesButton>
         )}
         <ViewLink onClick={jumpToUsage}>View</ViewLink>
+        {!inSource && (
+          <ClassificationsContainer>
+            {inTest && <VSCodeTag>Test</VSCodeTag>}
+            {inGenerated && <VSCodeTag>Generated</VSCodeTag>}
+          </ClassificationsContainer>
+        )}
       </ApiOrMethodCell>
       <VSCodeDataGridCell gridColumn={2}>
         <Dropdown