fix: refresh codebase index on config change

core/indexing/CodebaseIndexer.test.ts

@@ -1,3 +1,5 @@
+/* eslint-disable max-lines-per-function */
+/* lint is not useful for test classes */
 import { jest } from "@jest/globals";
 import { execSync } from "node:child_process";
 import fs from "node:fs";
@@ -14,8 +16,11 @@ import {
 } from "../test/testDir.js";
 import { getIndexSqlitePath } from "../util/paths.js";
 
+import { ConfigResult } from "@continuedev/config-yaml";
+import CodebaseContextProvider from "../context/providers/CodebaseContextProvider.js";
+import { ContinueConfig } from "../index.js";
 import { localPathToUri } from "../util/pathToUri.js";
-import { CodebaseIndexer, PauseToken } from "./CodebaseIndexer.js";
+import { CodebaseIndexer } from "./CodebaseIndexer.js";
 import { getComputeDeleteAddRemove } from "./refreshIndex.js";
 import { TestCodebaseIndex } from "./TestCodebaseIndex.js";
 import { CodebaseIndex } from "./types.js";
@@ -57,6 +62,17 @@ class TestCodebaseIndexer extends CodebaseIndexer {
   protected async getIndexesToBuild(): Promise<CodebaseIndex[]> {
     return [new TestCodebaseIndex()];
   }
+
+  // Add public methods to test private methods
+  public testHasCodebaseContextProvider() {
+    return (this as any).hasCodebaseContextProvider();
+  }
+
+  public async testHandleConfigUpdate(
+    configResult: ConfigResult<ContinueConfig>,
+  ) {
+    return (this as any).handleConfigUpdate({ config: configResult.config });
+  }
 }
 
 // Create a mock messenger type that doesn't require actual protocol imports
@@ -71,8 +87,6 @@ type MockMessengerType = {
 // These are more like integration tests, whereas we should separately test
 // the individual CodebaseIndex classes
 describe("CodebaseIndexer", () => {
-  const pauseToken = new PauseToken(false);
-
   // Replace mockProgressReporter with mockMessenger
   const mockMessenger: MockMessengerType = {
     send: jest.fn(),
@@ -82,13 +96,8 @@ describe("CodebaseIndexer", () => {
     onError: jest.fn(),
   };
 
-  const codebaseIndexer = new TestCodebaseIndexer(
-    testConfigHandler,
-    testIde,
-    mockMessenger as any,
-    false,
-  );
-  const testIndex = new TestCodebaseIndex();
+  let codebaseIndexer: TestCodebaseIndexer;
+  let testIndex: TestCodebaseIndex;
 
   beforeAll(async () => {
     tearDownTestDir();
@@ -99,6 +108,15 @@ describe("CodebaseIndexer", () => {
       cwd: TEST_DIR_PATH,
     });
     execSync('git config user.name "Test"', { cwd: TEST_DIR_PATH });
+
+    codebaseIndexer = new TestCodebaseIndexer(
+      testConfigHandler,
+      testIde,
+      mockMessenger as any,
+      false,
+    );
+    await codebaseIndexer.initPromise;
+    testIndex = new TestCodebaseIndex();
   });
 
   afterAll(async () => {
@@ -161,6 +179,7 @@ describe("CodebaseIndexer", () => {
   }
 
   test("should index test folder without problem", async () => {
+    walkDirCache.invalidate();
     addToTestDir([
       ["test.ts", TEST_TS],
       ["py/main.py", TEST_PY],
@@ -403,4 +422,270 @@ describe("CodebaseIndexer", () => {
       expect(codebaseIndexer.currentIndexingState).toEqual(testState);
     });
   });
+
+  // New describe block for testing handleConfigUpdate functionality
+  describe("handleConfigUpdate functionality", () => {
+    let testIndexer: TestCodebaseIndexer;
+    let mockRefreshCodebaseIndex: jest.MockedFunction<any>;
+    let mockGetWorkspaceDirs: jest.MockedFunction<any>;
+
+    beforeEach(() => {
+      testIndexer = new TestCodebaseIndexer(
+        testConfigHandler,
+        testIde,
+        mockMessenger as any,
+        false,
+      );
+
+      // Mock the refreshCodebaseIndex method to avoid actual indexing
+      mockRefreshCodebaseIndex = jest
+        .spyOn(testIndexer, "refreshCodebaseIndex")
+        .mockImplementation(async () => {});
+
+      // Mock getWorkspaceDirs to return test directories
+      mockGetWorkspaceDirs = jest
+        .spyOn(testIde, "getWorkspaceDirs")
+        .mockResolvedValue(["/test/workspace"]);
+    });
+
+    afterEach(() => {
+      jest.clearAllMocks();
+    });
+
+    describe("hasCodebaseContextProvider", () => {
+      test("should return true when codebase context provider is present", () => {
+        // Set up config with codebase context provider
+        (testIndexer as any).config = {
+          contextProviders: [
+            {
+              description: {
+                title: CodebaseContextProvider.description.title,
+              },
+            },
+          ],
+        };
+
+        const result = testIndexer.testHasCodebaseContextProvider();
+        expect(result).toBe(true);
+      });
+
+      test("should return false when no context providers are configured", () => {
+        (testIndexer as any).config = {
+          contextProviders: undefined,
+        };
+
+        const result = testIndexer.testHasCodebaseContextProvider();
+        expect(result).toBe(false);
+      });
+
+      test("should return false when context providers exist but no codebase provider", () => {
+        (testIndexer as any).config = {
+          contextProviders: [
+            {
+              description: {
+                title: "SomeOtherProvider",
+              },
+            },
+          ],
+        };
+
+        const result = testIndexer.testHasCodebaseContextProvider();
+        expect(result).toBe(false);
+      });
+
+      test("should return false when context providers is empty array", () => {
+        (testIndexer as any).config = {
+          contextProviders: [],
+        };
+
+        const result = testIndexer.testHasCodebaseContextProvider();
+        expect(result).toBe(false);
+      });
+    });
+
+    describe("handleConfigUpdate", () => {
+      test("should return early when newConfig is null", async () => {
+        const configResult: ConfigResult<ContinueConfig> = {
+          config: null as any,
+          errors: [],
+          configLoadInterrupted: false,
+        };
+
+        await testIndexer.testHandleConfigUpdate(configResult);
+
+        // These get called once on init, so we want them to not get called again
+        expect(mockRefreshCodebaseIndex).toHaveBeenCalledTimes(1);
+        expect(mockGetWorkspaceDirs).toHaveBeenCalledTimes(1);
+      });
+
+      test("should return early when newConfig is undefined", async () => {
+        const configResult: ConfigResult<ContinueConfig> = {
+          config: undefined as any,
+          errors: [],
+          configLoadInterrupted: false,
+        };
+
+        await testIndexer.testHandleConfigUpdate(configResult);
+
+        // These get called once on init, so we want them to not get called again
+        expect(mockRefreshCodebaseIndex).toHaveBeenCalledTimes(1);
+        expect(mockGetWorkspaceDirs).toHaveBeenCalledTimes(1);
+      });
+
+      test("should return early when no codebase context provider is present", async () => {
+        const configResult: ConfigResult<ContinueConfig> = {
+          config: {
+            contextProviders: [
+              {
+                description: {
+                  title: "SomeOtherProvider",
+                },
+              },
+            ],
+            selectedModelByRole: {
+              embed: {
+                model: "test-model",
+                provider: "test-provider",
+              },
+            },
+          } as unknown as ContinueConfig,
+          errors: [],
+          configLoadInterrupted: false,
+        };
+
+        await testIndexer.testHandleConfigUpdate(configResult);
+
+        // These get called once on init, so we want them to not get called again
+        expect(mockRefreshCodebaseIndex).toHaveBeenCalledTimes(1);
+        expect(mockGetWorkspaceDirs).toHaveBeenCalledTimes(1);
+      });
+
+      test("should return early when no embed model is configured", async () => {
+        const configResult: ConfigResult<ContinueConfig> = {
+          config: {
+            contextProviders: [
+              {
+                description: {
+                  title: CodebaseContextProvider.description.title,
+                },
+              },
+            ],
+            selectedModelByRole: {
+              embed: undefined,
+            },
+          } as unknown as ContinueConfig,
+          errors: [],
+          configLoadInterrupted: false,
+        };
+
+        await testIndexer.testHandleConfigUpdate(configResult);
+
+        // These get called once on init, so we want them to not get called again
+        expect(mockRefreshCodebaseIndex).toHaveBeenCalledTimes(1);
+        expect(mockGetWorkspaceDirs).toHaveBeenCalledTimes(1);
+      });
+
+      test("should call refreshCodebaseIndex when all conditions are met", async () => {
+        const configResult: ConfigResult<ContinueConfig> = {
+          config: {
+            contextProviders: [
+              {
+                description: {
+                  title: CodebaseContextProvider.description.title,
+                },
+              },
+            ],
+            selectedModelByRole: {
+              embed: {
+                model: "test-model",
+                provider: "test-provider",
+              },
+            },
+          } as unknown as ContinueConfig,
+          errors: [],
+          configLoadInterrupted: false,
+        };
+
+        await testIndexer.testHandleConfigUpdate(configResult);
+
+        // These get called once on init, and we want them to get called again
+        expect(mockGetWorkspaceDirs).toHaveBeenCalledTimes(2);
+        expect(mockRefreshCodebaseIndex).toHaveBeenCalledTimes(2);
+        expect(mockRefreshCodebaseIndex).toHaveBeenCalledWith([
+          "/test/workspace",
+        ]);
+      });
+
+      test("should set config property before checking conditions", async () => {
+        const testConfig = {
+          contextProviders: [
+            {
+              description: {
+                title: CodebaseContextProvider.description.title,
+              },
+            },
+          ],
+          selectedModelByRole: {
+            embed: {
+              model: "test-model",
+              provider: "test-provider",
+            },
+          },
+        } as unknown as ContinueConfig;
+
+        const configResult: ConfigResult<ContinueConfig> = {
+          config: testConfig,
+          errors: [],
+          configLoadInterrupted: false,
+        };
+
+        await testIndexer.testHandleConfigUpdate(configResult);
+
+        // Verify that the config was set
+        expect((testIndexer as any).config).toBe(testConfig);
+        // These get called once on init, and we want them to get called again
+        expect(mockRefreshCodebaseIndex).toHaveBeenCalledTimes(2);
+      });
+
+      test("should handle multiple context providers correctly", async () => {
+        const configResult: ConfigResult<ContinueConfig> = {
+          config: {
+            contextProviders: [
+              {
+                description: {
+                  title: "SomeOtherProvider",
+                },
+              },
+              {
+                description: {
+                  title: CodebaseContextProvider.description.title,
+                },
+              },
+              {
+                description: {
+                  title: "AnotherProvider",
+                },
+              },
+            ],
+            selectedModelByRole: {
+              embed: {
+                model: "test-model",
+                provider: "test-provider",
+              },
+            },
+          } as unknown as ContinueConfig,
+          errors: [],
+          configLoadInterrupted: false,
+        };
+
+        await testIndexer.testHandleConfigUpdate(configResult);
+
+        // These get called once on init, and we want them to get called again
+        expect(mockRefreshCodebaseIndex).toHaveBeenCalledTimes(2);
+        expect(mockRefreshCodebaseIndex).toHaveBeenCalledWith([
+          "/test/workspace",
+        ]);
+      });
+    });
+  });
 });