github-mcp-server / pkg /github /code_scanning_test.go
Gemini
Initial commit
fce10de
package github
import (
"context"
"encoding/json"
"net/http"
"testing"
"github.com/github/github-mcp-server/internal/toolsnaps"
"github.com/github/github-mcp-server/pkg/translations"
"github.com/google/go-github/v74/github"
"github.com/migueleliasweb/go-github-mock/src/mock"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func Test_GetCodeScanningAlert(t *testing.T) {
// Verify tool definition once
mockClient := github.NewClient(nil)
tool, _ := GetCodeScanningAlert(stubGetClientFn(mockClient), translations.NullTranslationHelper)
require.NoError(t, toolsnaps.Test(tool.Name, tool))
assert.Equal(t, "get_code_scanning_alert", tool.Name)
assert.NotEmpty(t, tool.Description)
assert.Contains(t, tool.InputSchema.Properties, "owner")
assert.Contains(t, tool.InputSchema.Properties, "repo")
assert.Contains(t, tool.InputSchema.Properties, "alertNumber")
assert.ElementsMatch(t, tool.InputSchema.Required, []string{"owner", "repo", "alertNumber"})
// Setup mock alert for success case
mockAlert := &github.Alert{
Number: github.Ptr(42),
State: github.Ptr("open"),
Rule: &github.Rule{ID: github.Ptr("test-rule"), Description: github.Ptr("Test Rule Description")},
HTMLURL: github.Ptr("https://github.com/owner/repo/security/code-scanning/42"),
}
tests := []struct {
name string
mockedClient *http.Client
requestArgs map[string]interface{}
expectError bool
expectedAlert *github.Alert
expectedErrMsg string
}{
{
name: "successful alert fetch",
mockedClient: mock.NewMockedHTTPClient(
mock.WithRequestMatch(
mock.GetReposCodeScanningAlertsByOwnerByRepoByAlertNumber,
mockAlert,
),
),
requestArgs: map[string]interface{}{
"owner": "owner",
"repo": "repo",
"alertNumber": float64(42),
},
expectError: false,
expectedAlert: mockAlert,
},
{
name: "alert fetch fails",
mockedClient: mock.NewMockedHTTPClient(
mock.WithRequestMatchHandler(
mock.GetReposCodeScanningAlertsByOwnerByRepoByAlertNumber,
http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusNotFound)
_, _ = w.Write([]byte(`{"message": "Not Found"}`))
}),
),
),
requestArgs: map[string]interface{}{
"owner": "owner",
"repo": "repo",
"alertNumber": float64(9999),
},
expectError: true,
expectedErrMsg: "failed to get alert",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
// Setup client with mock
client := github.NewClient(tc.mockedClient)
_, handler := GetCodeScanningAlert(stubGetClientFn(client), translations.NullTranslationHelper)
// Create call request
request := createMCPRequest(tc.requestArgs)
// Call handler
result, err := handler(context.Background(), request)
// Verify results
if tc.expectError {
require.NoError(t, err)
require.True(t, result.IsError)
errorContent := getErrorResult(t, result)
assert.Contains(t, errorContent.Text, tc.expectedErrMsg)
return
}
require.NoError(t, err)
require.False(t, result.IsError)
// Parse the result and get the text content if no error
textContent := getTextResult(t, result)
// Unmarshal and verify the result
var returnedAlert github.Alert
err = json.Unmarshal([]byte(textContent.Text), &returnedAlert)
assert.NoError(t, err)
assert.Equal(t, *tc.expectedAlert.Number, *returnedAlert.Number)
assert.Equal(t, *tc.expectedAlert.State, *returnedAlert.State)
assert.Equal(t, *tc.expectedAlert.Rule.ID, *returnedAlert.Rule.ID)
assert.Equal(t, *tc.expectedAlert.HTMLURL, *returnedAlert.HTMLURL)
})
}
}
func Test_ListCodeScanningAlerts(t *testing.T) {
// Verify tool definition once
mockClient := github.NewClient(nil)
tool, _ := ListCodeScanningAlerts(stubGetClientFn(mockClient), translations.NullTranslationHelper)
require.NoError(t, toolsnaps.Test(tool.Name, tool))
assert.Equal(t, "list_code_scanning_alerts", tool.Name)
assert.NotEmpty(t, tool.Description)
assert.Contains(t, tool.InputSchema.Properties, "owner")
assert.Contains(t, tool.InputSchema.Properties, "repo")
assert.Contains(t, tool.InputSchema.Properties, "ref")
assert.Contains(t, tool.InputSchema.Properties, "state")
assert.Contains(t, tool.InputSchema.Properties, "severity")
assert.Contains(t, tool.InputSchema.Properties, "tool_name")
assert.ElementsMatch(t, tool.InputSchema.Required, []string{"owner", "repo"})
// Setup mock alerts for success case
mockAlerts := []*github.Alert{
{
Number: github.Ptr(42),
State: github.Ptr("open"),
Rule: &github.Rule{ID: github.Ptr("test-rule-1"), Description: github.Ptr("Test Rule 1")},
HTMLURL: github.Ptr("https://github.com/owner/repo/security/code-scanning/42"),
},
{
Number: github.Ptr(43),
State: github.Ptr("fixed"),
Rule: &github.Rule{ID: github.Ptr("test-rule-2"), Description: github.Ptr("Test Rule 2")},
HTMLURL: github.Ptr("https://github.com/owner/repo/security/code-scanning/43"),
},
}
tests := []struct {
name string
mockedClient *http.Client
requestArgs map[string]interface{}
expectError bool
expectedAlerts []*github.Alert
expectedErrMsg string
}{
{
name: "successful alerts listing",
mockedClient: mock.NewMockedHTTPClient(
mock.WithRequestMatchHandler(
mock.GetReposCodeScanningAlertsByOwnerByRepo,
expectQueryParams(t, map[string]string{
"ref": "main",
"state": "open",
"severity": "high",
"tool_name": "codeql",
}).andThen(
mockResponse(t, http.StatusOK, mockAlerts),
),
),
),
requestArgs: map[string]interface{}{
"owner": "owner",
"repo": "repo",
"ref": "main",
"state": "open",
"severity": "high",
"tool_name": "codeql",
},
expectError: false,
expectedAlerts: mockAlerts,
},
{
name: "alerts listing fails",
mockedClient: mock.NewMockedHTTPClient(
mock.WithRequestMatchHandler(
mock.GetReposCodeScanningAlertsByOwnerByRepo,
http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusUnauthorized)
_, _ = w.Write([]byte(`{"message": "Unauthorized access"}`))
}),
),
),
requestArgs: map[string]interface{}{
"owner": "owner",
"repo": "repo",
},
expectError: true,
expectedErrMsg: "failed to list alerts",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
// Setup client with mock
client := github.NewClient(tc.mockedClient)
_, handler := ListCodeScanningAlerts(stubGetClientFn(client), translations.NullTranslationHelper)
// Create call request
request := createMCPRequest(tc.requestArgs)
// Call handler
result, err := handler(context.Background(), request)
// Verify results
if tc.expectError {
require.NoError(t, err)
require.True(t, result.IsError)
errorContent := getErrorResult(t, result)
assert.Contains(t, errorContent.Text, tc.expectedErrMsg)
return
}
require.NoError(t, err)
require.False(t, result.IsError)
// Parse the result and get the text content if no error
textContent := getTextResult(t, result)
// Unmarshal and verify the result
var returnedAlerts []*github.Alert
err = json.Unmarshal([]byte(textContent.Text), &returnedAlerts)
assert.NoError(t, err)
assert.Len(t, returnedAlerts, len(tc.expectedAlerts))
for i, alert := range returnedAlerts {
assert.Equal(t, *tc.expectedAlerts[i].Number, *alert.Number)
assert.Equal(t, *tc.expectedAlerts[i].State, *alert.State)
assert.Equal(t, *tc.expectedAlerts[i].Rule.ID, *alert.Rule.ID)
assert.Equal(t, *tc.expectedAlerts[i].HTMLURL, *alert.HTMLURL)
}
})
}
}