feat: Add GitLab Duo Agentic Chat Provider Support (#7333)

Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>
Co-authored-by: Aiden Cline <aidenpcline@gmail.com>

packages/opencode/test/provider/amazon-bedrock.test.ts

@@ -9,7 +9,11 @@ import path from "path"
 
 mock.module("../../src/bun/index", () => ({
   BunProc: {
-    install: async (pkg: string) => pkg,
+    install: async (pkg: string, _version?: string) => {
+      // Return package name without version for mocking
+      const lastAtIndex = pkg.lastIndexOf("@")
+      return lastAtIndex > 0 ? pkg.substring(0, lastAtIndex) : pkg
+    },
     run: async () => {
       throw new Error("BunProc.run should not be called in tests")
     },
@@ -28,6 +32,7 @@ mock.module("@aws-sdk/credential-providers", () => ({
 const mockPlugin = () => ({})
 mock.module("opencode-copilot-auth", () => ({ default: mockPlugin }))
 mock.module("opencode-anthropic-auth", () => ({ default: mockPlugin }))
+mock.module("@gitlab/opencode-gitlab-auth", () => ({ default: mockPlugin }))
 
 // Import after mocks are set up
 const { tmpdir } = await import("../fixture/fixture")

packages/opencode/test/provider/gitlab-duo.test.ts

@@ -0,0 +1,286 @@
+import { test, expect, mock } from "bun:test"
+import path from "path"
+
+// === Mocks ===
+// These mocks prevent real package installations during tests
+
+mock.module("../../src/bun/index", () => ({
+  BunProc: {
+    install: async (pkg: string, _version?: string) => {
+      // Return package name without version for mocking
+      const lastAtIndex = pkg.lastIndexOf("@")
+      return lastAtIndex > 0 ? pkg.substring(0, lastAtIndex) : pkg
+    },
+    run: async () => {
+      throw new Error("BunProc.run should not be called in tests")
+    },
+    which: () => process.execPath,
+    InstallFailedError: class extends Error {},
+  },
+}))
+
+const mockPlugin = () => ({})
+mock.module("opencode-copilot-auth", () => ({ default: mockPlugin }))
+mock.module("opencode-anthropic-auth", () => ({ default: mockPlugin }))
+mock.module("@gitlab/opencode-gitlab-auth", () => ({ default: mockPlugin }))
+
+// Import after mocks are set up
+const { tmpdir } = await import("../fixture/fixture")
+const { Instance } = await import("../../src/project/instance")
+const { Provider } = await import("../../src/provider/provider")
+const { Env } = await import("../../src/env")
+const { Global } = await import("../../src/global")
+
+test("GitLab Duo: loads provider with API key from environment", async () => {
+  await using tmp = await tmpdir({
+    init: async (dir) => {
+      await Bun.write(
+        path.join(dir, "opencode.json"),
+        JSON.stringify({
+          $schema: "https://opencode.ai/config.json",
+        }),
+      )
+    },
+  })
+  await Instance.provide({
+    directory: tmp.path,
+    init: async () => {
+      Env.set("GITLAB_TOKEN", "test-gitlab-token")
+    },
+    fn: async () => {
+      const providers = await Provider.list()
+      expect(providers["gitlab"]).toBeDefined()
+      expect(providers["gitlab"].key).toBe("test-gitlab-token")
+    },
+  })
+})
+
+test("GitLab Duo: config instanceUrl option sets baseURL", async () => {
+  await using tmp = await tmpdir({
+    init: async (dir) => {
+      await Bun.write(
+        path.join(dir, "opencode.json"),
+        JSON.stringify({
+          $schema: "https://opencode.ai/config.json",
+          provider: {
+            gitlab: {
+              options: {
+                instanceUrl: "https://gitlab.example.com",
+              },
+            },
+          },
+        }),
+      )
+    },
+  })
+  await Instance.provide({
+    directory: tmp.path,
+    init: async () => {
+      Env.set("GITLAB_TOKEN", "test-token")
+      Env.set("GITLAB_INSTANCE_URL", "https://gitlab.example.com")
+    },
+    fn: async () => {
+      const providers = await Provider.list()
+      expect(providers["gitlab"]).toBeDefined()
+      expect(providers["gitlab"].options?.instanceUrl).toBe("https://gitlab.example.com")
+    },
+  })
+})
+
+test("GitLab Duo: loads with OAuth token from auth.json", async () => {
+  await using tmp = await tmpdir({
+    init: async (dir) => {
+      await Bun.write(
+        path.join(dir, "opencode.json"),
+        JSON.stringify({
+          $schema: "https://opencode.ai/config.json",
+        }),
+      )
+    },
+  })
+
+  const authPath = path.join(Global.Path.data, "auth.json")
+  await Bun.write(
+    authPath,
+    JSON.stringify({
+      gitlab: {
+        type: "oauth",
+        access: "test-access-token",
+        refresh: "test-refresh-token",
+        expires: Date.now() + 3600000,
+      },
+    }),
+  )
+
+  await Instance.provide({
+    directory: tmp.path,
+    init: async () => {
+      Env.set("GITLAB_TOKEN", "")
+    },
+    fn: async () => {
+      const providers = await Provider.list()
+      expect(providers["gitlab"]).toBeDefined()
+    },
+  })
+})
+
+test("GitLab Duo: loads with Personal Access Token from auth.json", async () => {
+  await using tmp = await tmpdir({
+    init: async (dir) => {
+      await Bun.write(
+        path.join(dir, "opencode.json"),
+        JSON.stringify({
+          $schema: "https://opencode.ai/config.json",
+        }),
+      )
+    },
+  })
+
+  const authPath2 = path.join(Global.Path.data, "auth.json")
+  await Bun.write(
+    authPath2,
+    JSON.stringify({
+      gitlab: {
+        type: "api",
+        key: "glpat-test-pat-token",
+      },
+    }),
+  )
+
+  await Instance.provide({
+    directory: tmp.path,
+    init: async () => {
+      Env.set("GITLAB_TOKEN", "")
+    },
+    fn: async () => {
+      const providers = await Provider.list()
+      expect(providers["gitlab"]).toBeDefined()
+      expect(providers["gitlab"].key).toBe("glpat-test-pat-token")
+    },
+  })
+})
+
+test("GitLab Duo: supports self-hosted instance configuration", async () => {
+  await using tmp = await tmpdir({
+    init: async (dir) => {
+      await Bun.write(
+        path.join(dir, "opencode.json"),
+        JSON.stringify({
+          $schema: "https://opencode.ai/config.json",
+          provider: {
+            gitlab: {
+              options: {
+                instanceUrl: "https://gitlab.company.internal",
+                apiKey: "glpat-internal-token",
+              },
+            },
+          },
+        }),
+      )
+    },
+  })
+  await Instance.provide({
+    directory: tmp.path,
+    init: async () => {
+      Env.set("GITLAB_INSTANCE_URL", "https://gitlab.company.internal")
+    },
+    fn: async () => {
+      const providers = await Provider.list()
+      expect(providers["gitlab"]).toBeDefined()
+      expect(providers["gitlab"].options?.instanceUrl).toBe("https://gitlab.company.internal")
+    },
+  })
+})
+
+test("GitLab Duo: config apiKey takes precedence over environment variable", async () => {
+  await using tmp = await tmpdir({
+    init: async (dir) => {
+      await Bun.write(
+        path.join(dir, "opencode.json"),
+        JSON.stringify({
+          $schema: "https://opencode.ai/config.json",
+          provider: {
+            gitlab: {
+              options: {
+                apiKey: "config-token",
+              },
+            },
+          },
+        }),
+      )
+    },
+  })
+  await Instance.provide({
+    directory: tmp.path,
+    init: async () => {
+      Env.set("GITLAB_TOKEN", "env-token")
+    },
+    fn: async () => {
+      const providers = await Provider.list()
+      expect(providers["gitlab"]).toBeDefined()
+    },
+  })
+})
+
+test("GitLab Duo: supports feature flags configuration", async () => {
+  await using tmp = await tmpdir({
+    init: async (dir) => {
+      await Bun.write(
+        path.join(dir, "opencode.json"),
+        JSON.stringify({
+          $schema: "https://opencode.ai/config.json",
+          provider: {
+            gitlab: {
+              options: {
+                featureFlags: {
+                  duo_agent_platform_agentic_chat: true,
+                  duo_agent_platform: true,
+                },
+              },
+            },
+          },
+        }),
+      )
+    },
+  })
+  await Instance.provide({
+    directory: tmp.path,
+    init: async () => {
+      Env.set("GITLAB_TOKEN", "test-token")
+    },
+    fn: async () => {
+      const providers = await Provider.list()
+      expect(providers["gitlab"]).toBeDefined()
+      expect(providers["gitlab"].options?.featureFlags).toBeDefined()
+      expect(providers["gitlab"].options?.featureFlags?.duo_agent_platform_agentic_chat).toBe(true)
+    },
+  })
+})
+
+test("GitLab Duo: has multiple agentic chat models available", async () => {
+  await using tmp = await tmpdir({
+    init: async (dir) => {
+      await Bun.write(
+        path.join(dir, "opencode.json"),
+        JSON.stringify({
+          $schema: "https://opencode.ai/config.json",
+        }),
+      )
+    },
+  })
+  await Instance.provide({
+    directory: tmp.path,
+    init: async () => {
+      Env.set("GITLAB_TOKEN", "test-token")
+    },
+    fn: async () => {
+      const providers = await Provider.list()
+      expect(providers["gitlab"]).toBeDefined()
+      const models = Object.keys(providers["gitlab"].models)
+      expect(models.length).toBeGreaterThan(0)
+      expect(models).toContain("duo-chat-haiku-4-5")
+      expect(models).toContain("duo-chat-sonnet-4-5")
+      expect(models).toContain("duo-chat-opus-4-5")
+    },
+  })
+})