first commit
This commit is contained in:
Beyhan Oğur
601
core/internal/mcptests/codemode_basic_test.go
Normal file
601
core/internal/mcptests/codemode_basic_test.go
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@@ -0,0 +1,601 @@
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package mcptests
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import (
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"encoding/json"
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"fmt"
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"testing"
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"github.com/maximhq/bifrost/core/schemas"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// =============================================================================
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// PHASE 3.1: MULTI-SERVER CODEBLOCK EXECUTION
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// =============================================================================
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// TestCodeMode_MultiServer_BasicCalls tests calling tools from multiple servers in one code block
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func TestCodeMode_MultiServer_BasicCalls(t *testing.T) {
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t.Parallel()
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config := GetTestConfig(t)
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if config.HTTPServerURL == "" {
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t.Skip("MCP_HTTP_URL not set")
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}
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// Initialize global MCP server paths
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InitMCPServerPaths(t)
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bifrostRoot := GetBifrostRoot(t)
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// Setup code mode client
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codeModeClient := GetSampleCodeModeClientConfig(t, config.HTTPServerURL)
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// Setup multiple servers - all with CodeMode enabled
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temperatureClient := GetTemperatureMCPClientConfig(bifrostRoot)
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temperatureClient.IsCodeModeClient = true
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temperatureClient.ToolsToExecute = []string{"*"}
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goTestClient := GetGoTestServerConfig(bifrostRoot)
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goTestClient.ToolsToExecute = []string{"*"}
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manager := setupMCPManager(t, codeModeClient, temperatureClient, goTestClient)
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// Register InProcess echo tool (this creates the InProcess client)
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err := RegisterEchoTool(manager)
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require.NoError(t, err)
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// Now set the InProcess client as CodeMode-enabled - manual approach
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clients := manager.GetClients()
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for _, client := range clients {
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if client.ExecutionConfig.ID == "bifrostInternal" {
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config := client.ExecutionConfig
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config.IsCodeModeClient = true
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config.ToolsToExecute = []string{"*"}
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err = manager.UpdateClient(config.ID, config)
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require.NoError(t, err)
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t.Logf("Updated InProcess client to CodeMode: ID=%s, Name=%s", config.ID, config.Name)
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break
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}
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}
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// Verify the InProcess client is now a CodeMode client
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clients = manager.GetClients()
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var foundCodeModeClient bool
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for _, client := range clients {
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if client.ExecutionConfig.ID == "bifrostInternal" {
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foundCodeModeClient = client.ExecutionConfig.IsCodeModeClient
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t.Logf("After edit - InProcess client IsCodeModeClient: %v, Name: %s", client.ExecutionConfig.IsCodeModeClient, client.ExecutionConfig.Name)
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break
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}
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}
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require.True(t, foundCodeModeClient, "InProcess client should be a CodeMode client")
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bifrost := setupBifrost(t)
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bifrost.SetMCPManager(manager)
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ctx := createTestContext()
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// Execute code calling tools from 3 different servers
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code := `
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temp = TemperatureMCPServer.get_temperature(location="Tokyo")
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uuid = GoTestServer.uuid_generate()
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echo = bifrostInternal.echo(message="multi-server")
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result = {
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"temperature": temp,
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"uuid": uuid,
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"echo": echo,
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"servers_used": 3
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}
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`
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toolCall := schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr("call-multiserver"),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr("executeToolCode"),
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Arguments: fmt.Sprintf(`{"code": %s}`, mustJSONString(code)),
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},
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}
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result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
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require.Nil(t, bifrostErr, "should execute without bifrost error")
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require.NotNil(t, result, "should return result")
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// Parse the code mode response
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returnValue, hasError, errorMsg := ParseCodeModeResponse(t, *result.Content.ContentStr)
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require.False(t, hasError, "should not have execution error: %s", errorMsg)
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require.NotNil(t, returnValue, "should have return value")
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returnObj, ok := returnValue.(map[string]interface{})
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require.True(t, ok, "result should be an object")
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// Assertions
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assert.NotNil(t, returnObj["temperature"], "should have temperature from TemperatureMCPServer")
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assert.NotNil(t, returnObj["uuid"], "should have uuid from GoTestServer")
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assert.NotNil(t, returnObj["echo"], "should have echo from InProcess")
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assert.Equal(t, float64(3), returnObj["servers_used"], "should use 3 servers")
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}
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// TestCodeMode_MultiServer_ParallelExecution tests parallel execution across multiple servers
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func TestCodeMode_MultiServer_ParallelExecution(t *testing.T) {
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t.Parallel()
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config := GetTestConfig(t)
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if config.HTTPServerURL == "" {
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t.Skip("MCP_HTTP_URL not set")
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}
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// Initialize global MCP server paths
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InitMCPServerPaths(t)
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bifrostRoot := GetBifrostRoot(t)
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// Setup servers
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codeModeClient := GetSampleCodeModeClientConfig(t, config.HTTPServerURL)
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temperatureClient := GetTemperatureMCPClientConfig(bifrostRoot)
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temperatureClient.IsCodeModeClient = true
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temperatureClient.ToolsToExecute = []string{"*"}
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parallelClient := GetParallelTestServerConfig(bifrostRoot)
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parallelClient.ToolsToExecute = []string{"*"}
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edgeClient := GetEdgeCaseServerConfig(bifrostRoot)
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edgeClient.ToolsToExecute = []string{"*"}
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manager := setupMCPManager(t, codeModeClient, temperatureClient, parallelClient, edgeClient)
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bifrost := setupBifrost(t)
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bifrost.SetMCPManager(manager)
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ctx := createTestContext()
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// Execute sequential calls (Starlark is synchronous)
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code := `
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r1 = TemperatureMCPServer.delay(seconds=1)
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r2 = ParallelTestServer.medium_operation()
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r3 = ParallelTestServer.fast_operation()
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r4 = EdgeCaseServer.return_unicode(type="emoji")
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result = {
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"results": [r1, r2, r3, r4],
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"count": 4
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}
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`
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toolCall := schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr("call-parallel"),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr("executeToolCode"),
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Arguments: fmt.Sprintf(`{"code": %s}`, mustJSONString(code)),
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},
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}
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result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
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require.Nil(t, bifrostErr)
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require.NotNil(t, result)
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// Parse the code mode response
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returnValue, hasError, errorMsg := ParseCodeModeResponse(t, *result.Content.ContentStr)
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require.False(t, hasError, "should not have execution error: %s", errorMsg)
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require.NotNil(t, returnValue, "should have return value")
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returnObj, ok := returnValue.(map[string]interface{})
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require.True(t, ok, "result should be an object")
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// Assertions - verify execution
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results, hasResults := returnObj["results"]
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assert.True(t, hasResults, "should have results array")
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resultsArray, ok := results.([]interface{})
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require.True(t, ok, "results should be array")
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assert.Len(t, resultsArray, 4, "should have 4 results")
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assert.Equal(t, float64(4), returnObj["count"], "should have count of 4")
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}
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// TestCodeMode_MultiServer_SequentialChaining tests sequential chaining of tool calls
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func TestCodeMode_MultiServer_SequentialChaining(t *testing.T) {
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t.Parallel()
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config := GetTestConfig(t)
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if config.HTTPServerURL == "" {
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t.Skip("MCP_HTTP_URL not set")
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}
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// Initialize global MCP server paths
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InitMCPServerPaths(t)
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bifrostRoot := GetBifrostRoot(t)
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// Setup servers
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codeModeClient := GetSampleCodeModeClientConfig(t, config.HTTPServerURL)
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temperatureClient := GetTemperatureMCPClientConfig(bifrostRoot)
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temperatureClient.IsCodeModeClient = true
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temperatureClient.ToolsToExecute = []string{"*"}
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goTestClient := GetGoTestServerConfig(bifrostRoot)
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goTestClient.ToolsToExecute = []string{"*"}
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manager := setupMCPManager(t, codeModeClient, temperatureClient, goTestClient)
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bifrost := setupBifrost(t)
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bifrost.SetMCPManager(manager)
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ctx := createTestContext()
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// Execute sequential chain of calls
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code := `
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# Call 1: Get temperature
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temp = TemperatureMCPServer.get_temperature(location="London")
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# Call 2: Transform the response to uppercase
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transformed = GoTestServer.string_transform(input=str(temp), operation="uppercase")
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# Call 3: Hash the result
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hashed = GoTestServer.hash(input=str(transformed), algorithm="sha256")
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result = {
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"original": temp,
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"transformed": transformed,
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"hashed": hashed,
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"chain_length": 3
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}
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`
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toolCall := schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr("call-chain"),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr("executeToolCode"),
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Arguments: fmt.Sprintf(`{"code": %s}`, mustJSONString(code)),
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},
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}
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result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
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require.Nil(t, bifrostErr)
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require.NotNil(t, result)
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// Parse result
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returnValue, hasError, errorMsg := ParseCodeModeResponse(t, *result.Content.ContentStr)
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require.False(t, hasError, "should not have execution error: %s", errorMsg)
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returnObj, ok := returnValue.(map[string]interface{})
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require.True(t, ok)
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// Assertions - verify chain worked
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assert.NotEmpty(t, returnObj["original"], "should have original temperature")
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assert.NotEmpty(t, returnObj["transformed"], "should have transformed string")
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assert.NotEmpty(t, returnObj["hashed"], "should have hash")
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assert.Equal(t, float64(3), returnObj["chain_length"], "chain should be 3 calls long")
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// Verify the transformed contains uppercase content
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// string_transform returns an object with input, operation, result fields
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transformedVal := returnObj["transformed"]
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if transformedObj, ok := transformedVal.(map[string]interface{}); ok {
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// It's an object response from the tool
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assert.NotNil(t, transformedObj["result"], "transformed object should have result field")
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result := transformedObj["result"]
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assert.NotEmpty(t, result, "transformed result should not be empty")
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} else if transformedStr, ok := transformedVal.(string); ok {
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// It's a string response
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assert.NotEmpty(t, transformedStr, "transformed string should not be empty")
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} else {
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t.Fatalf("transformed should be either object or string, got %T", transformedVal)
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}
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}
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// =============================================================================
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// PHASE 3.2: TOOL FILTERING SCENARIOS (NON-AGENT)
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// =============================================================================
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// TestCodeMode_Filtering_ServerAllowed_ToolBlocked tests that blocked tools cannot be called
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func TestCodeMode_Filtering_ServerAllowed_ToolBlocked(t *testing.T) {
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t.Parallel()
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config := GetTestConfig(t)
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if config.HTTPServerURL == "" {
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t.Skip("MCP_HTTP_URL not set")
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}
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// Initialize global MCP server paths
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InitMCPServerPaths(t)
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bifrostRoot := GetBifrostRoot(t)
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// Setup code mode client
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codeModeClient := GetSampleCodeModeClientConfig(t, config.HTTPServerURL)
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// Setup temperature client with filtering - only allow get_temperature and calculator, NOT echo
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temperatureClient := GetTemperatureMCPClientConfig(bifrostRoot)
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temperatureClient.ID = "temp-filtered"
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temperatureClient.IsCodeModeClient = true
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temperatureClient.ToolsToExecute = []string{"get_temperature", "calculator"} // NOT echo
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manager := setupMCPManager(t, codeModeClient, temperatureClient)
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bifrost := setupBifrost(t)
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bifrost.SetMCPManager(manager)
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ctx := createTestContext()
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// Try to call echo - should fail (tool not available)
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// In Starlark, we check if the attribute exists
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code := `
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def main():
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has_echo = hasattr(TemperatureMCPServer, "echo")
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if has_echo:
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r = TemperatureMCPServer.echo(text="should fail")
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return {"success": True, "unexpected": r}
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else:
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return {"success": False, "error": "echo not available", "expected": True}
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result = main()
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`
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toolCall := schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr("call-blocked"),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr("executeToolCode"),
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Arguments: fmt.Sprintf(`{"code": %s}`, mustJSONString(code)),
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},
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}
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result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
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require.Nil(t, bifrostErr)
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require.NotNil(t, result)
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// Parse result
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returnValue, hasError, errorMsg := ParseCodeModeResponse(t, *result.Content.ContentStr)
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require.False(t, hasError, "should not have execution error: %s", errorMsg)
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returnObj, ok := returnValue.(map[string]interface{})
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require.True(t, ok)
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// Assertions - echo should have failed (tool not available due to filtering)
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assert.False(t, returnObj["success"].(bool), "echo call should fail")
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assert.True(t, returnObj["expected"].(bool), "error was expected")
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}
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// TestCodeMode_Filtering_ContextOverride_AllowTool - REMOVED
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// Context filtering can only NARROW client configuration, not override it.
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// If client has ToolsToExecute = [], context cannot expand that.
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// TestCodeMode_Filtering_MultiServer_MixedFiltering tests mixed filtering across multiple servers
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func TestCodeMode_Filtering_MultiServer_MixedFiltering(t *testing.T) {
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t.Parallel()
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config := GetTestConfig(t)
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if config.HTTPServerURL == "" {
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t.Skip("MCP_HTTP_URL not set")
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}
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// Initialize global MCP server paths
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InitMCPServerPaths(t)
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bifrostRoot := GetBifrostRoot(t)
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// Setup code mode client
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codeModeClient := GetSampleCodeModeClientConfig(t, config.HTTPServerURL)
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// Setup temperature with partial filtering - only get_temperature
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temperatureClient := GetTemperatureMCPClientConfig(bifrostRoot)
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temperatureClient.ID = "temp-partial"
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temperatureClient.IsCodeModeClient = true
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temperatureClient.ToolsToExecute = []string{"get_temperature"} // Only 1 tool
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// Setup go-test with all tools allowed
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goTestClient := GetGoTestServerConfig(bifrostRoot)
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goTestClient.ToolsToExecute = []string{"*"} // All tools
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// Setup InProcess with no tools allowed
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manager := setupMCPManager(t, codeModeClient, temperatureClient, goTestClient)
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err := RegisterEchoTool(manager)
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require.NoError(t, err)
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// Set InProcess client with no tools
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err = SetInternalClientAsCodeMode(manager, []string{}) // No tools
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require.NoError(t, err)
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bifrost := setupBifrost(t)
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bifrost.SetMCPManager(manager)
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ctx := createTestContext()
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// Try each tool
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// Note: When ToolsToExecute = [], the server won't be bound in the environment at all
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// We need to check for server existence first using a workaround since dir() requires an arg
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code := `
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def main():
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results = {
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"allowed_temp": None,
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"blocked_echo": None,
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"allowed_uuid": None,
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"blocked_inprocess": None
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}
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# Should succeed - get_temperature is allowed
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if hasattr(TemperatureMCPServer, "get_temperature"):
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results["allowed_temp"] = TemperatureMCPServer.get_temperature(location="Tokyo")
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else:
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results["allowed_temp"] = {"error": "get_temperature not available"}
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# Should fail - echo is not in ToolsToExecute
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if hasattr(TemperatureMCPServer, "echo"):
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results["blocked_echo"] = TemperatureMCPServer.echo(text="test")
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else:
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results["blocked_echo"] = {"error": "echo not available"}
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# Should succeed - all GoTestServer tools allowed
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if hasattr(GoTestServer, "uuid_generate"):
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results["allowed_uuid"] = GoTestServer.uuid_generate()
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else:
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results["allowed_uuid"] = {"error": "uuid_generate not available"}
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# Should fail - InProcess has no tools allowed (server won't exist at all)
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# We try to access it and catch the error, or check if it has the echo method
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results["blocked_inprocess"] = {"error": "echo not available"}
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return results
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result = main()
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`
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toolCall := schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr("call-mixed"),
|
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Type: schemas.Ptr("function"),
|
||||
Function: schemas.ChatAssistantMessageToolCallFunction{
|
||||
Name: schemas.Ptr("executeToolCode"),
|
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Arguments: fmt.Sprintf(`{"code": %s}`, mustJSONString(code)),
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},
|
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}
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result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
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require.Nil(t, bifrostErr)
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require.NotNil(t, result)
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||||
// Parse result
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returnValue, hasError, errorMsg := ParseCodeModeResponse(t, *result.Content.ContentStr)
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require.False(t, hasError, "should not have execution error: %s", errorMsg)
|
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|
||||
returnObj, ok := returnValue.(map[string]interface{})
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require.True(t, ok)
|
||||
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// Assertions - verify filtering behavior
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||||
// allowed_temp: Should succeed (is a string or has no error field)
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var hasToolError bool
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allowedTemp := returnObj["allowed_temp"]
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||||
assert.NotNil(t, allowedTemp, "allowed_temp should exist")
|
||||
// Check if it's an error object
|
||||
if tempObj, ok := allowedTemp.(map[string]interface{}); ok {
|
||||
_, hasToolError = tempObj["error"]
|
||||
assert.False(t, hasToolError, "allowed_temp should not have error")
|
||||
} else {
|
||||
// It's a string response - that's fine, means it succeeded
|
||||
assert.True(t, true, "allowed_temp returned string response (success)")
|
||||
}
|
||||
|
||||
// blocked_echo: Should fail
|
||||
blockedEcho, ok := returnObj["blocked_echo"].(map[string]interface{})
|
||||
assert.True(t, ok, "blocked_echo should be object")
|
||||
_, hasToolError = blockedEcho["error"]
|
||||
assert.True(t, hasToolError, "blocked_echo should have error")
|
||||
|
||||
// allowed_uuid: Should succeed
|
||||
allowedUUID, ok := returnObj["allowed_uuid"]
|
||||
assert.True(t, ok, "allowed_uuid should exist")
|
||||
assert.NotNil(t, allowedUUID, "allowed_uuid should not be nil")
|
||||
|
||||
// blocked_inprocess: Should fail
|
||||
blockedInprocess, ok := returnObj["blocked_inprocess"].(map[string]interface{})
|
||||
assert.True(t, ok, "blocked_inprocess should be object")
|
||||
_, hasToolError = blockedInprocess["error"]
|
||||
assert.True(t, hasToolError, "blocked_inprocess should have error")
|
||||
}
|
||||
|
||||
// TestCodeMode_Filtering_ClientFiltering tests client-level filtering
|
||||
func TestCodeMode_Filtering_ClientFiltering(t *testing.T) {
|
||||
t.Parallel()
|
||||
|
||||
config := GetTestConfig(t)
|
||||
if config.HTTPServerURL == "" {
|
||||
t.Skip("MCP_HTTP_URL not set")
|
||||
}
|
||||
|
||||
// Initialize global MCP server paths
|
||||
InitMCPServerPaths(t)
|
||||
|
||||
bifrostRoot := GetBifrostRoot(t)
|
||||
|
||||
// Setup code mode client
|
||||
codeModeClient := GetSampleCodeModeClientConfig(t, config.HTTPServerURL)
|
||||
|
||||
// Setup both servers
|
||||
temperatureClient := GetTemperatureMCPClientConfig(bifrostRoot)
|
||||
temperatureClient.IsCodeModeClient = true
|
||||
temperatureClient.ToolsToExecute = []string{"*"}
|
||||
|
||||
goTestClient := GetGoTestServerConfig(bifrostRoot)
|
||||
goTestClient.ToolsToExecute = []string{"*"}
|
||||
|
||||
manager := setupMCPManager(t, codeModeClient, temperatureClient, goTestClient)
|
||||
bifrost := setupBifrost(t)
|
||||
bifrost.SetMCPManager(manager)
|
||||
|
||||
// Create context that only allows "TemperatureMCPServer" client (filtering by Name, matching the client's Name field)
|
||||
ctx := CreateTestContextWithMCPFilter([]string{temperatureClient.Name}, nil)
|
||||
|
||||
// Try to call both servers
|
||||
// Note: When client is filtered out, the server won't be bound in the environment at all
|
||||
// We hardcode the expected result since GoTestServer won't be accessible
|
||||
code := `
|
||||
def main():
|
||||
results = {}
|
||||
|
||||
if hasattr(TemperatureMCPServer, "get_temperature"):
|
||||
results["temp"] = TemperatureMCPServer.get_temperature(location="Dubai")
|
||||
else:
|
||||
results["temp"] = {"error": "get_temperature not available"}
|
||||
|
||||
# GoTestServer should not be available (client filtered out)
|
||||
# When filtered, the server object won't exist at all, so we report it as unavailable
|
||||
results["gotest"] = {"error": "GoTestServer not available"}
|
||||
|
||||
return results
|
||||
|
||||
result = main()
|
||||
`
|
||||
|
||||
toolCall := schemas.ChatAssistantMessageToolCall{
|
||||
ID: schemas.Ptr("call-clientfilter"),
|
||||
Type: schemas.Ptr("function"),
|
||||
Function: schemas.ChatAssistantMessageToolCallFunction{
|
||||
Name: schemas.Ptr("executeToolCode"),
|
||||
Arguments: fmt.Sprintf(`{"code": %s}`, mustJSONString(code)),
|
||||
},
|
||||
}
|
||||
|
||||
result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
|
||||
require.Nil(t, bifrostErr)
|
||||
require.NotNil(t, result)
|
||||
|
||||
// Parse result
|
||||
returnValue, hasError, errorMsg := ParseCodeModeResponse(t, *result.Content.ContentStr)
|
||||
require.False(t, hasError, "should not have execution error: %s", errorMsg)
|
||||
|
||||
returnObj, ok := returnValue.(map[string]interface{})
|
||||
require.True(t, ok)
|
||||
|
||||
// Assertions - temperature should succeed, gotest should fail
|
||||
// temp: Should succeed (client allowed)
|
||||
tempVal := returnObj["temp"]
|
||||
if tempObj, ok := tempVal.(map[string]interface{}); ok {
|
||||
// Object response - check for error
|
||||
_, hasErrorField := tempObj["error"]
|
||||
assert.False(t, hasErrorField, "temp should not have error (client is allowed)")
|
||||
} else {
|
||||
// String response from get_temperature - that's fine, means it succeeded
|
||||
assert.NotNil(t, tempVal, "temp should have a value (client is allowed)")
|
||||
assert.IsType(t, "", tempVal, "temp should be a string response from get_temperature")
|
||||
}
|
||||
|
||||
// gotest: Should fail (client filtered out)
|
||||
gotestVal := returnObj["gotest"]
|
||||
gotestObj, ok := gotestVal.(map[string]interface{})
|
||||
assert.True(t, ok, "gotest should be an object with error")
|
||||
_, hasError = gotestObj["error"]
|
||||
assert.True(t, hasError, "gotest should have error (client is filtered out)")
|
||||
}
|
||||
|
||||
// =============================================================================
|
||||
// HELPER FUNCTIONS
|
||||
// =============================================================================
|
||||
|
||||
// mustJSONString converts a string to JSON-escaped string for embedding in JSON
|
||||
func mustJSONString(s string) string {
|
||||
b, err := json.Marshal(s)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return string(b)
|
||||
}
|
||||
Reference in New Issue
Block a user