Function TestResolve

agent/agentcontextconfig/api_test.go:163–498

(t *testing.T)

}

func TestResolve(t *testing.T) {
	//nolint:paralleltest // Uses t.Setenv to mutate process-wide environment.
	t.Run("Defaults", func(t *testing.T) {
		setupConfigTestEnv(t, nil)

		workDir := platformAbsPath("work")
		cfg, mcpFiles := agentcontextconfig.Resolve(workDir, agentcontextconfig.ReadEnvConfig())

		// Parts is always non-nil.
		require.NotNil(t, cfg.Parts)
		// Default MCP config file is ".mcp.json" (relative),
		// resolved against the working directory.
		require.Equal(t, []string{filepath.Join(workDir, ".mcp.json")}, mcpFiles)
	})

	//nolint:paralleltest // Uses t.Setenv to mutate process-wide environment.
	t.Run("CustomEnvVars", func(t *testing.T) {
		optInstructions := t.TempDir()
		optSkills := t.TempDir()
		optMCP := platformAbsPath("opt", "mcp.json")
		setupConfigTestEnv(t, map[string]string{
			agentcontextconfig.EnvInstructionsDirs: optInstructions,
			agentcontextconfig.EnvInstructionsFile: "CUSTOM.md",
			agentcontextconfig.EnvSkillsDirs:       optSkills,
			agentcontextconfig.EnvSkillMetaFile:    "META.yaml",
			agentcontextconfig.EnvMCPConfigFiles:   optMCP,
		})

		// Create files matching the custom names so we can
		// verify the env vars actually change lookup behavior.
		require.NoError(t, os.WriteFile(filepath.Join(optInstructions, "CUSTOM.md"), []byte("custom instructions"), 0o600))
		skillDir := filepath.Join(optSkills, "my-skill")
		require.NoError(t, os.MkdirAll(skillDir, 0o755))
		require.NoError(t, os.WriteFile(
			filepath.Join(skillDir, "META.yaml"),
			[]byte("---\nname: my-skill\ndescription: custom meta\n---\n"),
			0o600,
		))

		workDir := platformAbsPath("work")
		cfg, mcpFiles := agentcontextconfig.Resolve(workDir, agentcontextconfig.ReadEnvConfig())

		require.Equal(t, []string{optMCP}, mcpFiles)
		ctxFiles := filterParts(cfg.Parts, codersdk.ChatMessagePartTypeContextFile)
		require.Len(t, ctxFiles, 1)
		require.Equal(t, "custom instructions", ctxFiles[0].ContextFileContent)
		skillParts := filterParts(cfg.Parts, codersdk.ChatMessagePartTypeSkill)
		require.Len(t, skillParts, 1)
		require.Equal(t, "my-skill", skillParts[0].SkillName)
		require.Equal(t, "META.yaml", skillParts[0].ContextFileSkillMetaFile)
	})

	//nolint:paralleltest // Uses t.Setenv to mutate process-wide environment.
	t.Run("WhitespaceInFileNames", func(t *testing.T) {
		fakeHome := setupConfigTestEnv(t, map[string]string{
			agentcontextconfig.EnvInstructionsFile: "  CLAUDE.md  ",
		})
		t.Setenv(agentcontextconfig.EnvInstructionsDirs, fakeHome)