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package github
import (
"context"
"encoding/json"
"maps"
"net/http"
"strings"
"testing"
"github.com/github/github-mcp-server/internal/githubv4mock"
"github.com/github/github-mcp-server/internal/toolsnaps"
"github.com/github/github-mcp-server/pkg/http/headers"
transportpkg "github.com/github/github-mcp-server/pkg/http/transport"
"github.com/github/github-mcp-server/pkg/inventory"
"github.com/github/github-mcp-server/pkg/translations"
gogithub "github.com/google/go-github/v89/github"
"github.com/shurcooL/githubv4"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func granularToolsForToolset(toolsetID inventory.ToolsetID, featureFlag string) []inventory.ServerTool {
flag := inventory.FeatureFlag(featureFlag)
var result []inventory.ServerTool
for _, tool := range AllTools(translations.NullTranslationHelper) {
features := tool.FeatureRule.Features()
usesFeature := false
for _, feature := range features {
usesFeature = usesFeature || feature == flag
}
if tool.Toolset.ID == toolsetID && usesFeature &&
tool.FeatureRule.Enabled(func(feature inventory.FeatureFlag) bool { return feature == flag }) {
result = append(result, tool)
}
}
return result
}
func TestGranularToolSnaps(t *testing.T) {
// Test toolsnaps for all granular tools
toolConstructors := []func(translations.TranslationHelperFunc) inventory.ServerTool{
GranularCreateIssue,
GranularUpdateIssueTitle,
GranularUpdateIssueBody,
GranularUpdateIssueAssignees,
GranularUpdateIssueLabels,
GranularUpdateIssueMilestone,
GranularUpdateIssueType,
GranularUpdateIssueState,
GranularAddSubIssue,
GranularRemoveSubIssue,
GranularReprioritizeSubIssue,
GranularSetIssueFields,
GranularAddIssueReaction,
GranularAddIssueCommentReaction,
GranularUpdatePullRequestTitle,
GranularUpdatePullRequestBody,
GranularUpdatePullRequestState,
GranularUpdatePullRequestDraftState,
GranularRequestPullRequestReviewers,
GranularCreatePullRequestReview,
GranularSubmitPendingPullRequestReview,
GranularDeletePendingPullRequestReview,
GranularAddPullRequestReviewComment,
GranularResolveReviewThread,
GranularUnresolveReviewThread,
GranularAddPullRequestReviewCommentReaction,
}
for _, constructor := range toolConstructors {
serverTool := constructor(translations.NullTranslationHelper)
t.Run(serverTool.Tool.Name, func(t *testing.T) {
require.NoError(t, toolsnaps.Test(serverTool.Tool.Name, serverTool.Tool))
})
}
}
func TestIssuesGranularToolset(t *testing.T) {
t.Run("toolset contains expected granular tools", func(t *testing.T) {
tools := granularToolsForToolset(ToolsetMetadataIssues.ID, FeatureFlagIssuesGranular)
toolNames := make([]string, 0, len(tools))
for _, tool := range tools {
toolNames = append(toolNames, tool.Tool.Name)
}
expected := []string{
"create_issue",
"update_issue_title",
"update_issue_body",
"update_issue_assignees",
"update_issue_labels",
"update_issue_milestone",
"update_issue_type",
"update_issue_state",
"add_sub_issue",
"remove_sub_issue",
"reprioritize_sub_issue",
"set_issue_fields",
"add_issue_reaction",
"add_issue_comment_reaction",
}
for _, name := range expected {
assert.Contains(t, toolNames, name)
}
assert.Len(t, tools, len(expected))
})
t.Run("all granular tools have correct feature flag", func(t *testing.T) {
for _, tool := range granularToolsForToolset(ToolsetMetadataIssues.ID, FeatureFlagIssuesGranular) {
assert.Equal(t, []inventory.FeatureFlag{inventory.FeatureFlag(FeatureFlagIssuesGranular)}, tool.FeatureRule.Features(), "tool %s", tool.Tool.Name)
}
})
}
func TestPullRequestsGranularToolset(t *testing.T) {
t.Run("toolset contains expected granular tools", func(t *testing.T) {
tools := granularToolsForToolset(ToolsetMetadataPullRequests.ID, FeatureFlagPullRequestsGranular)
toolNames := make([]string, 0, len(tools))
for _, tool := range tools {
toolNames = append(toolNames, tool.Tool.Name)
}
expected := []string{
"update_pull_request_title",
"update_pull_request_body",
"update_pull_request_state",
"update_pull_request_draft_state",
"request_pull_request_reviewers",
"create_pull_request_review",
"submit_pending_pull_request_review",
"delete_pending_pull_request_review",
"add_pull_request_review_comment",
"resolve_review_thread",
"unresolve_review_thread",
"add_pull_request_review_comment_reaction",
}
for _, name := range expected {
assert.Contains(t, toolNames, name)
}
assert.Len(t, tools, len(expected))
})
t.Run("all granular tools have correct feature flag", func(t *testing.T) {
for _, tool := range granularToolsForToolset(ToolsetMetadataPullRequests.ID, FeatureFlagPullRequestsGranular) {
assert.Contains(t, tool.FeatureRule.Features(), inventory.FeatureFlag(FeatureFlagPullRequestsGranular), "tool %s", tool.Tool.Name)
}
})
}
// --- Issue granular tool handler tests ---
func TestGranularCreateIssue(t *testing.T) {
mockIssue := &gogithub.Issue{
Number: gogithub.Ptr(1),
Title: gogithub.Ptr("Test Issue"),
Body: gogithub.Ptr("Test body"),
}
tests := []struct {
name string
mockedClient *http.Client
requestArgs map[string]any
expectedErrMsg string
}{
{
name: "successful creation",
mockedClient: MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PostReposIssuesByOwnerByRepo: expectRequestBody(t, map[string]any{
"title": "Test Issue",
"body": "Test body",
}).andThen(mockResponse(t, http.StatusCreated, mockIssue)),
}),
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"title": "Test Issue",
"body": "Test body",
},
},
{
name: "missing required parameter",
mockedClient: MockHTTPClientWithHandlers(nil),
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
},
expectedErrMsg: "missing required parameter: title",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
client := mustNewGHClient(t, tc.mockedClient)
deps := BaseDeps{Client: client}
serverTool := GranularCreateIssue(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
if tc.expectedErrMsg != "" {
textContent := getTextResult(t, result)
assert.Contains(t, textContent.Text, tc.expectedErrMsg)
return
}
assert.False(t, result.IsError)
})
}
}
func TestGranularUpdateIssueTitle(t *testing.T) {
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: mockResponse(t, http.StatusOK, &gogithub.Issue{
Number: gogithub.Ptr(42),
Title: gogithub.Ptr("New Title"),
}),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueTitle(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(42),
"title": "New Title",
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
}
func TestGranularUpdateIssueBody(t *testing.T) {
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: expectRequestBody(t, map[string]any{
"body": "Updated body",
}).andThen(mockResponse(t, http.StatusOK, &gogithub.Issue{
Number: gogithub.Ptr(1),
Body: gogithub.Ptr("Updated body"),
})),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueBody(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"body": "Updated body",
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
}
func TestGranularUpdateIssueAssignees(t *testing.T) {
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: expectRequestBody(t, map[string]any{
"assignees": []any{"user1", "user2"},
}).andThen(mockResponse(t, http.StatusOK, &gogithub.Issue{Number: gogithub.Ptr(1)})),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueAssignees(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"assignees": []string{"user1", "user2"},
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
}
func TestGranularUpdateIssueAssigneesObjectForm(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedReq map[string]any
}{
{
name: "assignee objects without intent serialize as strings",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"assignees": []any{
map[string]any{"login": "octocat"},
"monalisa",
},
},
expectedReq: map[string]any{
"assignees": []any{"octocat", "monalisa"},
},
},
{
name: "assignee suggested without rationale",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"assignees": []any{
map[string]any{"login": "octocat", "is_suggestion": true},
},
},
expectedReq: map[string]any{
"assignees": []any{
map[string]any{"login": "octocat", "suggest": true},
},
},
},
{
name: "suggested assignee with rationale and confidence",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"assignees": []any{
map[string]any{"login": "octocat", "rationale": " Authored the crashing file ", "confidence": "high", "is_suggestion": true},
},
},
expectedReq: map[string]any{
"assignees": []any{
map[string]any{"login": "octocat", "rationale": "Authored the crashing file", "confidence": "HIGH", "suggest": true},
},
},
},
{
name: "mix of plain and suggested assignees",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"assignees": []any{
"monalisa",
map[string]any{"login": "octocat", "is_suggestion": true},
},
},
expectedReq: map[string]any{
"assignees": []any{
"monalisa",
map[string]any{"login": "octocat", "suggest": true},
},
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: expectRequestBody(t, tc.expectedReq).
andThen(mockResponse(t, http.StatusOK, &gogithub.Issue{Number: gogithub.Ptr(1)})),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueAssignees(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
})
}
}
func TestGranularUpdateIssueAssigneesInvalidInput(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedErrText string
}{
{
name: "rationale too long",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"assignees": []any{
map[string]any{"login": "octocat", "rationale": strings.Repeat("a", 281)},
},
},
expectedErrText: "assignee rationale must be 280 characters or less",
},
{
name: "assignee object missing login",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"assignees": []any{
map[string]any{"rationale": "no login provided"},
},
},
expectedErrText: "each assignee object must have a 'login' string",
},
{
name: "invalid confidence value",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"assignees": []any{
map[string]any{"login": "octocat", "confidence": "maybe"},
},
},
expectedErrText: "confidence must be one of: LOW, MEDIUM, HIGH",
},
{
name: "assignee entry is neither string nor object",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"assignees": []any{float64(123)},
},
expectedErrText: "each assignee must be a string or an object",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
deps := BaseDeps{Client: mustNewGHClient(t, MockHTTPClientWithHandlers(nil))}
serverTool := GranularUpdateIssueAssignees(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
errorContent := getErrorResult(t, result)
assert.Contains(t, errorContent.Text, tc.expectedErrText)
})
}
}
func TestGranularUpdateIssueLabels(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedReq map[string]any
}{
{
name: "labels as plain strings",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{"bug", "enhancement"},
},
expectedReq: map[string]any{
"labels": []any{"bug", "enhancement"},
},
},
{
name: "label objects without rationale serialize as strings",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
map[string]any{"name": "bug"},
"enhancement",
},
},
expectedReq: map[string]any{
"labels": []any{"bug", "enhancement"},
},
},
{
name: "mixed strings and label objects with rationale",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
"triage",
map[string]any{"name": "bug", "rationale": " Reports a crash when saving "},
map[string]any{"name": "frontend", "rationale": "Mentions the UI button"},
},
},
expectedReq: map[string]any{
"labels": []any{
"triage",
map[string]any{"name": "bug", "rationale": "Reports a crash when saving"},
map[string]any{"name": "frontend", "rationale": "Mentions the UI button"},
},
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: expectRequestBody(t, tc.expectedReq).
andThen(mockResponse(t, http.StatusOK, &gogithub.Issue{Number: gogithub.Ptr(1)})),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueLabels(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
})
}
}
func TestGranularUpdateIssueLabelsSuggest(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedReq map[string]any
}{
{
name: "single label suggested without rationale",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
map[string]any{"name": "bug", "is_suggestion": true},
},
},
expectedReq: map[string]any{
"labels": []any{
map[string]any{"name": "bug", "suggest": true},
},
},
},
{
name: "suggested label with rationale",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
map[string]any{"name": "frontend", "rationale": "Mentions the UI button", "is_suggestion": true},
},
},
expectedReq: map[string]any{
"labels": []any{
map[string]any{"name": "frontend", "rationale": "Mentions the UI button", "suggest": true},
},
},
},
{
name: "mix of plain, applied-with-rationale, and suggested labels",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
"triage",
map[string]any{"name": "bug", "rationale": "Reports a crash when saving"},
map[string]any{"name": "needs-design", "is_suggestion": true},
},
},
expectedReq: map[string]any{
"labels": []any{
"triage",
map[string]any{"name": "bug", "rationale": "Reports a crash when saving"},
map[string]any{"name": "needs-design", "suggest": true},
},
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: expectRequestBody(t, tc.expectedReq).
andThen(mockResponse(t, http.StatusOK, &gogithub.Issue{Number: gogithub.Ptr(1)})),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueLabels(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
})
}
}
func TestGranularUpdateIssueLabelsInvalidRationale(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedErrText string
}{
{
name: "rationale too long",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
map[string]any{"name": "bug", "rationale": strings.Repeat("a", 281)},
},
},
expectedErrText: "label rationale must be 280 characters or less",
},
{
name: "label object missing name",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
map[string]any{"rationale": "no name provided"},
},
},
expectedErrText: "each label object must have a 'name' string",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
deps := BaseDeps{Client: mustNewGHClient(t, MockHTTPClientWithHandlers(nil))}
serverTool := GranularUpdateIssueLabels(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
errorContent := getErrorResult(t, result)
assert.Contains(t, errorContent.Text, tc.expectedErrText)
})
}
}
func TestGranularUpdateIssueLabelsConfidence(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedReq map[string]any
}{
{
name: "label with confidence triggers object form",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
map[string]any{"name": "bug", "confidence": "HIGH"},
},
},
expectedReq: map[string]any{
"labels": []any{
map[string]any{"name": "bug", "confidence": "HIGH"},
},
},
},
{
name: "label with confidence and rationale",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
map[string]any{"name": "bug", "rationale": "Reports a crash", "confidence": "MEDIUM"},
},
},
expectedReq: map[string]any{
"labels": []any{
map[string]any{"name": "bug", "rationale": "Reports a crash", "confidence": "MEDIUM"},
},
},
},
{
name: "label confidence is normalized",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
map[string]any{"name": "bug", "confidence": " high\t"},
},
},
expectedReq: map[string]any{
"labels": []any{
map[string]any{"name": "bug", "confidence": "HIGH"},
},
},
},
{
name: "invalid confidence value",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"labels": []any{
map[string]any{"name": "bug", "confidence": "very_high"},
},
},
expectedReq: nil,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
if tc.expectedReq == nil {
// Error case
deps := BaseDeps{Client: mustNewGHClient(t, MockHTTPClientWithHandlers(nil))}
serverTool := GranularUpdateIssueLabels(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
errorContent := getErrorResult(t, result)
assert.Contains(t, errorContent.Text, "confidence must be one of: LOW, MEDIUM, HIGH")
return
}
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: expectRequestBody(t, tc.expectedReq).
andThen(mockResponse(t, http.StatusOK, &gogithub.Issue{Number: gogithub.Ptr(1)})),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueLabels(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
})
}
}
func TestGranularUpdateIssueMilestone(t *testing.T) {
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: expectRequestBody(t, map[string]any{
"milestone": float64(5),
}).andThen(mockResponse(t, http.StatusOK, &gogithub.Issue{Number: gogithub.Ptr(1)})),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueMilestone(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"milestone": float64(5),
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
}
func TestGranularUpdateIssueType(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedReq map[string]any
}{
{
name: "type only",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"issue_type": "bug",
},
expectedReq: map[string]any{
"type": "bug",
},
},
{
name: "type with rationale",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"issue_type": "feature",
"rationale": " This issue requests a new capability ",
},
expectedReq: map[string]any{
"type": map[string]any{
"value": "feature",
"rationale": "This issue requests a new capability",
},
},
},
{
name: "remove type with null",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"issue_type": nil,
},
expectedReq: map[string]any{
"type": nil,
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: expectRequestBody(t, tc.expectedReq).
andThen(mockResponse(t, http.StatusOK, &gogithub.Issue{Number: gogithub.Ptr(1)})),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueType(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
})
}
}
func TestGranularUpdateIssueTypeRejectsInvalidInput(t *testing.T) {
tests := []struct {
name string
args map[string]any
omitType bool
wantError string
}{
{name: "missing type", omitType: true, wantError: "missing required parameter: issue_type"},
{name: "empty type", args: map[string]any{"issue_type": ""}, wantError: "parameter issue_type must not be empty"},
{name: "null with rationale", args: map[string]any{"rationale": "live validation"}, wantError: "suggestion metadata is not supported"},
{name: "null with confidence", args: map[string]any{"confidence": "HIGH"}, wantError: "suggestion metadata is not supported"},
{name: "null suggestion", args: map[string]any{"is_suggestion": true}, wantError: "suggestion metadata is not supported"},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
deps := BaseDeps{}
serverTool := GranularUpdateIssueType(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
args := map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"issue_type": nil,
}
if tc.omitType {
delete(args, "issue_type")
}
maps.Copy(args, tc.args)
request := createMCPRequest(args)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
errorContent := getErrorResult(t, result)
assert.Contains(t, errorContent.Text, tc.wantError)
})
}
}
func TestGranularUpdateIssueTypeSuggest(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedReq map[string]any
}{
{
name: "suggest without rationale",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"issue_type": "bug",
"is_suggestion": true,
},
expectedReq: map[string]any{
"type": map[string]any{
"value": "bug",
"suggest": true,
},
},
},
{
name: "suggest with rationale",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"issue_type": "feature",
"rationale": " Asks for dark mode support ",
"is_suggestion": true,
},
expectedReq: map[string]any{
"type": map[string]any{
"value": "feature",
"rationale": "Asks for dark mode support",
"suggest": true,
},
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
client := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
PatchReposIssuesByOwnerByRepoByIssueNumber: expectRequestBody(t, tc.expectedReq).
andThen(mockResponse(t, http.StatusOK, &gogithub.Issue{Number: gogithub.Ptr(1)})),
}))
deps := BaseDeps{Client: client}
serverTool := GranularUpdateIssueType(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError)
})
}
}
func TestGranularUpdateIssueTypeInvalidRationale(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedErrText string
}{
{
name: "rationale wrong type",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"issue_type": "feature",
"rationale": float64(123),
},
expectedErrText: "parameter rationale is not of type string, is float64",
},
{
name: "rationale too long",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"issue_type": "feature",
"rationale": strings.Repeat("a", 281),
},
expectedErrText: "parameter rationale must be 280 characters or less",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
deps := BaseDeps{Client: mustNewGHClient(t, MockHTTPClientWithHandlers(nil))}
serverTool := GranularUpdateIssueType(translations.NullTranslationHelper)
handler := serverTool.Handler(deps)
request := createMCPRequest(tc.requestArgs)
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
errorContent := getErrorResult(t, result)
assert.Contains(t, errorContent.Text, tc.expectedErrText)
})
}
}
func TestGranularUpdateIssueTypeConfidence(t *testing.T) {
tests := []struct {
name string
requestArgs map[string]any
expectedReq map[string]any
}{
{
name: "type with confidence only",
requestArgs: map[string]any{
"owner": "owner",
"repo": "repo",
"issue_number": float64(1),
"issue_type": "bug",
"confidence": "HIGH",
},
expectedReq: map[string]any{
"type": map[string]any{
"value": "bug",
"confidence": "HIGH",
},
},
},
{
name: "type with confidence and rationale",
requestArgs: map[string]any{
"owner": "owner",
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