Function createMockTextAdapter

packages/ai-code-mode-skills/test-cli/mock-adapter.ts:54–182

(config: MockAdapterConfig)

 * Create a mock text adapter for testing
 */
export function createMockTextAdapter(config: MockAdapterConfig) {
  let responseIndex = 0

  const adapter = {
    kind: 'text' as const,
    name: 'mock',
    model: 'mock-model',

    // Type-only property for compatibility
    '~types': {} as {
      providerOptions: Record<string, unknown>
      inputModalities: readonly ['text']
      messageMetadataByModality: DefaultMessageMetadataByModality
    },

    async *chatStream(): AsyncIterable<StreamChunk> {
      const response = config.responses[responseIndex % config.responses.length]
      if (!response) {
        throw new Error('No responses configured for mock adapter')
      }

      config.onResponse?.(responseIndex, response)
      responseIndex++

      const timestamp = Date.now()
      const id = `mock-${timestamp}`

      // Yield tool calls first if present
      if (response.toolCalls && response.toolCalls.length > 0) {
        for (let i = 0; i < response.toolCalls.length; i++) {
          const toolCall = response.toolCalls[i]!
          const toolCallChunk: ToolCallStreamChunk = {
            type: 'tool_call',
            id,
            model: 'mock-model',
            timestamp,
            index: i,
            toolCall: {
              id: toolCall.id,
              type: 'function',
              function: {
                name: toolCall.name,
                arguments: JSON.stringify(toolCall.arguments),
              },
            },
          }
          yield toolCallChunk
        }

        // Done with tool_calls finish reason
        const doneChunk: DoneStreamChunk = {
          type: 'done',
          id,
          model: 'mock-model',
          timestamp,
          finishReason: 'tool_calls',
          usage: {
            promptTokens: 10,