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package github
import (
"context"
"encoding/json"
"fmt"
"io"
"maps"
"math"
"net/http"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/github/github-mcp-server/internal/githubv4mock"
ghErrors "github.com/github/github-mcp-server/pkg/errors"
"github.com/github/github-mcp-server/pkg/inventory"
"github.com/github/github-mcp-server/pkg/translations"
"github.com/shurcooL/githubv4"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// fieldNode is a generic project field response node for use in mock data,
// covering data types beyond SINGLE_SELECT (statusFieldNode in
// projects_resolver_test.go is fixed to SINGLE_SELECT). See the comment on
// listAllProjectFields's inline-fragment decoding: the underlying jsonutil
// decoder populates id/databaseId/name/dataType identically across all three
// ProjectV2*Field fragments for a flat node object, so a single flat map
// (with "options" only where relevant) is sufficient regardless of dataType.
func fieldNode(nodeID string, databaseID int, name, dataType string) map[string]any {
return map[string]any{
"id": nodeID,
"databaseId": databaseID,
"name": name,
"dataType": dataType,
}
}
// projectIDMatcher returns the githubv4mock matcher for the org project-node-ID
// resolution query issued once per update_project_items call.
func projectIDMatcher(owner string, projectNumber int, projectNodeID string) githubv4mock.Matcher {
return githubv4mock.NewQueryMatcher(
struct {
Organization struct {
ProjectV2 struct {
ID githubv4.ID
} `graphql:"projectV2(number: $projectNumber)"`
} `graphql:"organization(login: $owner)"`
}{},
map[string]any{
"owner": githubv4.String(owner),
"projectNumber": githubv4.Int(int32(projectNumber)), //nolint:gosec
},
githubv4mock.DataResponse(map[string]any{
"organization": map[string]any{
"projectV2": map[string]any{"id": projectNodeID},
},
}),
)
}
// mutationAwareTransport routes GraphQL requests to a fixed query-matcher
// transport (e.g. githubv4mock.NewMockedHTTPClient's Transport) for ordinary
// queries/lookups, and to a sequenced, call-counted responder for mutation
// requests, so end-to-end tests can assert on aliased-mutation call counts and
// per-call variables without needing to hand-construct the exact minified
// mutation query text that reflect.StructOf produces.
type mutationAwareTransport struct {
t *testing.T
queries http.RoundTripper
mutationRespond func(callIndex int, req capturedGraphQLRequest) (status int, body string)
queryCalls []capturedGraphQLRequest
mutationCalls []capturedGraphQLRequest
}
func (m *mutationAwareTransport) RoundTrip(req *http.Request) (*http.Response, error) {
raw, err := io.ReadAll(req.Body)
if err != nil {
return nil, err
}
_ = req.Body.Close()
var parsed struct {
Query string `json:"query"`
Variables map[string]any `json:"variables"`
}
if err := json.Unmarshal(raw, &parsed); err != nil {
return nil, err
}
if !strings.HasPrefix(strings.TrimSpace(parsed.Query), "mutation") {
m.queryCalls = append(m.queryCalls, capturedGraphQLRequest{Query: parsed.Query, Variables: parsed.Variables})
req.Body = io.NopCloser(strings.NewReader(string(raw)))
return m.queries.RoundTrip(req)
}
captured := capturedGraphQLRequest{Query: parsed.Query, Variables: parsed.Variables}
idx := len(m.mutationCalls)
m.mutationCalls = append(m.mutationCalls, captured)
if m.mutationRespond == nil {
m.t.Fatalf("unexpected mutation call #%d (query: %s)", idx, parsed.Query)
}
status, body := m.mutationRespond(idx, captured)
return &http.Response{
StatusCode: status,
Body: io.NopCloser(strings.NewReader(body)),
Header: make(http.Header),
}, nil
}
type gatedIssueLookupTransport struct {
gate <-chan struct{}
started chan int
projectID string
mu sync.Mutex
active int
peak int
calls map[int]int
}
func newGatedIssueLookupTransport(gate <-chan struct{}, projectID string) *gatedIssueLookupTransport {
return &gatedIssueLookupTransport{
gate: gate,
started: make(chan int, maxProjectItemsPerBatch),
projectID: projectID,
calls: make(map[int]int),
}
}
func (t *gatedIssueLookupTransport) RoundTrip(req *http.Request) (*http.Response, error) {
raw, err := io.ReadAll(req.Body)
if err != nil {
return nil, err
}
_ = req.Body.Close()
var parsed struct {
Variables map[string]any `json:"variables"`
}
if err := json.Unmarshal(raw, &parsed); err != nil {
return nil, err
}
rawIssueNumber, ok := parsed.Variables["issueNumber"].(float64)
if !ok {
return nil, fmt.Errorf("issueNumber variable is missing or invalid")
}
issueNumber := int(rawIssueNumber)
t.mu.Lock()
t.calls[issueNumber]++
t.active++
t.peak = max(t.peak, t.active)
t.mu.Unlock()
defer func() {
t.mu.Lock()
t.active--
t.mu.Unlock()
}()
t.started <- issueNumber
select {
case <-t.gate:
case <-req.Context().Done():
return nil, req.Context().Err()
}
body, err := json.Marshal(map[string]any{
"data": map[string]any{
"repository": map[string]any{
"issue": map[string]any{
"projectItems": map[string]any{
"nodes": []any{
map[string]any{
"id": fmt.Sprintf("PVTI_item%d", issueNumber),
"fullDatabaseId": fmt.Sprintf("%d", 1000+issueNumber),
"project": map[string]any{"id": t.projectID},
},
},
"pageInfo": map[string]any{
"hasNextPage": false, "hasPreviousPage": false,
"startCursor": "page-one", "endCursor": "page-one",
},
},
},
},
},
})
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(string(body))),
Header: http.Header{"Content-Type": []string{"application/json"}},
}, nil
}
func (t *gatedIssueLookupTransport) snapshot() (active int, peak int, calls map[int]int) {
t.mu.Lock()
defer t.mu.Unlock()
return t.active, t.peak, maps.Clone(t.calls)
}
func issueBatchItems(issueNumbers ...int) []parsedBatchItem {
items := make([]parsedBatchItem, 0, len(issueNumbers))
for index, issueNumber := range issueNumbers {
items = append(items, parsedBatchItem{
index: index,
refKind: batchRefIssue,
issueOwner: "octo-org",
issueRepo: "roadmap",
issueNumber: issueNumber,
})
}
return items
}
func waitForIssueLookups(ctx context.Context, t *testing.T, started <-chan int, count int) {
t.Helper()
for range count {
select {
case <-started:
case <-ctx.Done():
t.Fatalf("timed out waiting for %d issue lookups to start: %v", count, ctx.Err())
}
}
}
func waitForIssueLookupResults(ctx context.Context, t *testing.T, results <-chan map[issueRefKey]itemLookupResult) map[issueRefKey]itemLookupResult {
t.Helper()
select {
case resolved := <-results:
return resolved
case <-ctx.Done():
t.Fatalf("timed out waiting for issue lookups to finish: %v", ctx.Err())
return nil
}
}
func Test_UpdateProjectItemsBatch_TopLevelGuards(t *testing.T) {
tooMany := make([]any, maxProjectItemsPerBatch+1)
validItem := map[string]any{"node_id": "PVTI_item1"}
validField := map[string]any{"name": "Notes", "value": "hello"}
tests := []struct {
name string
args map[string]any
wantErr string
}{
{name: "missing items", args: map[string]any{}, wantErr: "missing required parameter: items"},
{name: "non-array items", args: map[string]any{"items": "invalid"}, wantErr: "items must be an array"},
{name: "empty items", args: map[string]any{"items": []any{}}, wantErr: "items must contain at least one entry"},
{name: "too many items", args: map[string]any{"items": tooMany}, wantErr: "items exceeds maximum of 50 entries"},
{name: "missing updated field", args: map[string]any{"items": []any{validItem}}, wantErr: "missing required parameter: updated_field"},
{name: "malformed updated field", args: map[string]any{"items": []any{validItem}, "updated_field": "invalid"}, wantErr: "updated_field must be an object"},
{name: "missing field value", args: map[string]any{"items": []any{validItem}, "updated_field": map[string]any{"name": "Notes"}}, wantErr: "updated_field.value is required"},
{name: "missing field reference", args: map[string]any{"items": []any{validItem}, "updated_field": map[string]any{"value": "hello"}}, wantErr: "updated_field requires either id or name"},
{name: "ambiguous field reference", args: map[string]any{"items": []any{validItem}, "updated_field": map[string]any{"id": float64(1), "name": "Notes", "value": "hello"}}, wantErr: "updated_field must set either id or name"},
{name: "nil GraphQL client", args: map[string]any{"items": []any{validItem}, "updated_field": validField}, wantErr: "gqlClient is required"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result, structured, err := updateProjectItemsBatch(t.Context(), nil, nil, "octo-org", "org", 1, tt.args)
require.NoError(t, err)
assert.Nil(t, structured)
assert.Contains(t, getErrorResult(t, result).Text, tt.wantErr)
})
}
}
func Test_UpdateProjectItemsBatch_InvalidSharedValueIsTopLevelError(t *testing.T) {
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
statusFieldNode("PVTSSF_status", 101, "Status", []map[string]any{
{"id": "OPT_todo", "name": "Todo"},
}),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(_ int, _ capturedGraphQLRequest) (int, string) {
t.Fatal("invalid shared values must fail before writes")
return http.StatusInternalServerError, ""
},
}
result, structured, err := updateProjectItemsBatch(
t.Context(),
nil,
newTestGQLClient(transport),
"octo-org",
"org",
1,
map[string]any{
"updated_field": map[string]any{"name": "Status", "value": "Missing"},
"items": []any{map[string]any{"node_id": "PVTI_item1"}},
},
)
require.NoError(t, err)
assert.Nil(t, structured)
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getErrorResult(t, result).Text), &response))
assert.Equal(t, "option_not_found", response["error"])
assert.Equal(t, "Missing", response["name"])
assert.Equal(t, []any{map[string]any{"name": "Todo"}}, response["candidates"])
assert.Empty(t, transport.mutationCalls)
}
func Test_ProjectsWrite_UpdateProjectItems_NodeIDBypassesRESTLookup(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
fieldNode("PVTF_notes", 101, "Notes", "TEXT"),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(_ int, req capturedGraphQLRequest) (int, string) {
assert.Contains(t, req.Query, "updateProjectV2ItemFieldValue")
return http.StatusOK, mutationDataResponse(t, map[int]struct{ NodeID, FullDatabaseID string }{
0: {NodeID: "PVTI_item1", FullDatabaseID: "1001"},
})
},
}
gqlClient := newTestGQLClient(transport)
// No REST handlers registered at all: if the implementation ever fell back
// to a REST lookup for a node_id-addressed item, this would 404.
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{}))
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": "hello"},
"items": []any{
map[string]any{"node_id": "PVTI_item1"},
},
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
require.False(t, result.IsError, getTextResult(t, result).Text)
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(1), response["succeeded"])
assert.Equal(t, float64(0), response["failed"])
assert.Equal(t, float64(0), response["unknown"])
}
func Test_ProjectsWrite_UpdateProjectItems_NumericItemIDDeduplicatesRESTLookup(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
fieldNode("PVTF_notes", 101, "Notes", "TEXT"),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(_ int, req capturedGraphQLRequest) (int, string) {
require.Len(t, req.Variables, 1)
assert.Equal(t, "PVTF_notes", req.Variables["input"].(map[string]any)["fieldId"])
return http.StatusOK, mutationDataResponse(t, map[int]struct{ NodeID, FullDatabaseID string }{
0: {NodeID: "PVTI_item1001", FullDatabaseID: "1001"},
})
},
}
gqlClient := newTestGQLClient(transport)
var restCalls atomic.Int32
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
GetOrgsProjectsV2ItemsByProjectByItemID: func(w http.ResponseWriter, _ *http.Request) {
restCalls.Add(1)
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
_, _ = w.Write([]byte(`{"id":1001,"node_id":"PVTI_item1001"}`))
},
}))
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": "hello"},
"items": []any{
map[string]any{"item_id": float64(1001)},
map[string]any{"item_id": float64(1001)},
},
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
require.False(t, result.IsError, getTextResult(t, result).Text)
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(1), response["succeeded"])
assert.Equal(t, float64(1), response["failed"])
assert.Equal(t, int32(1), restCalls.Load(), "the same numeric item_id must only be resolved once")
results := response["results"].([]any)
assert.Equal(t, "duplicate_target", results[1].(map[string]any)["error"].(map[string]any)["code"])
}
func Test_ProjectsWrite_UpdateProjectItems_IssueRefPaginationIsDeduplicated(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
resolveItemByIssueQuery{},
map[string]any{
"issueOwner": githubv4.String("github"),
"issueRepo": githubv4.String("planning-tracking"),
"issueNumber": githubv4.Int(123),
},
githubv4mock.DataResponse(map[string]any{
"repository": map[string]any{
"issue": map[string]any{
"projectItems": map[string]any{
"nodes": []any{
map[string]any{
"id": "PVTI_other",
"fullDatabaseId": "9999",
"project": map[string]any{"id": "PVT_other"},
},
},
"pageInfo": map[string]any{
"hasNextPage": true, "hasPreviousPage": false,
"startCursor": "page-one", "endCursor": "page-one",
},
},
},
},
}),
),
githubv4mock.NewQueryMatcher(
resolveItemByIssuePageQuery{},
map[string]any{
"issueOwner": githubv4.String("github"),
"issueRepo": githubv4.String("planning-tracking"),
"issueNumber": githubv4.Int(123),
"after": githubv4.String("page-one"),
},
githubv4mock.DataResponse(map[string]any{
"repository": map[string]any{
"issue": map[string]any{
"projectItems": map[string]any{
"nodes": []any{
map[string]any{
"id": "PVTI_item2002",
"fullDatabaseId": "2002",
"project": map[string]any{"id": "PVT_project1"},
},
},
"pageInfo": map[string]any{
"hasNextPage": false, "hasPreviousPage": true,
"startCursor": "page-two", "endCursor": "page-two",
},
},
},
},
}),
),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
fieldNode("PVTF_notes", 101, "Notes", "TEXT"),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(_ int, req capturedGraphQLRequest) (int, string) {
require.Len(t, req.Variables, 1)
assert.Equal(t, "PVTI_item2002", req.Variables["input"].(map[string]any)["itemId"])
assert.Equal(t, "PVTF_notes", req.Variables["input"].(map[string]any)["fieldId"])
return http.StatusOK, mutationDataResponse(t, map[int]struct{ NodeID, FullDatabaseID string }{
0: {NodeID: "PVTI_item2002", FullDatabaseID: "2002"},
})
},
}
gqlClient := newTestGQLClient(transport)
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{}))
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": "hello"},
"items": []any{
map[string]any{
"item_owner": "github", "item_repo": "planning-tracking", "issue_number": float64(123),
},
map[string]any{
"item_owner": "github", "item_repo": "planning-tracking", "issue_number": float64(123),
},
},
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
require.False(t, result.IsError, getTextResult(t, result).Text)
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(1), response["succeeded"])
assert.Equal(t, float64(1), response["failed"])
results := response["results"].([]any)
item := results[0].(map[string]any)["item"].(map[string]any)
assert.Equal(t, "PVTI_item2002", item["node_id"])
assert.Equal(t, "2002", item["full_database_id"])
assert.Equal(t, "duplicate_target", results[1].(map[string]any)["error"].(map[string]any)["code"])
issueResolutionCalls := 0
for _, call := range transport.queryCalls {
if strings.Contains(call.Query, "projectItems") {
issueResolutionCalls++
}
}
assert.Equal(t, 2, issueResolutionCalls, "duplicate issue refs should share one two-page resolution chain")
assert.Len(t, transport.queryCalls, 4, "expected project, fields, and two issue-page queries")
}
func Test_ProjectsWrite_UpdateProjectItems_DuplicateTargetRejected(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
fieldNode("PVTF_notes", 101, "Notes", "TEXT"),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(_ int, req capturedGraphQLRequest) (int, string) {
require.Len(t, req.Variables, 1)
assert.Equal(t, 1, strings.Count(req.Query, "updateProjectV2ItemFieldValue"))
assert.Equal(t, "PVTI_item1", req.Variables["input"].(map[string]any)["itemId"])
return http.StatusOK, mutationDataResponse(t, map[int]struct{ NodeID, FullDatabaseID string }{
0: {NodeID: "PVTI_item1", FullDatabaseID: "1001"},
})
},
}
gqlClient := newTestGQLClient(transport)
var restCalls atomic.Int32
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
GetOrgsProjectsV2ItemsByProjectByItemID: func(w http.ResponseWriter, _ *http.Request) {
restCalls.Add(1)
w.Header().Set("Content-Type", "application/json")
_, _ = w.Write([]byte(`{"id":1001,"node_id":"PVTI_item1"}`))
},
}))
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": "hello"},
"items": []any{
map[string]any{"node_id": "PVTI_item1"},
map[string]any{"item_id": float64(1001)},
},
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
require.False(t, result.IsError, getTextResult(t, result).Text)
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(1), response["succeeded"])
assert.Equal(t, float64(1), response["failed"])
results := response["results"].([]any)
second := results[1].(map[string]any)
assert.Equal(t, "failed", second["status"])
assert.Equal(t, "duplicate_target", second["error"].(map[string]any)["code"])
assert.Equal(t, int32(1), restCalls.Load())
assert.Len(t, transport.mutationCalls, 1)
}
func Test_ProjectsWrite_UpdateProjectItems_TwentyWritesIsOneMutationRequest(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
transport := chunkSizeTestRun(t, toolDef, 20)
assert.Len(t, transport.mutationCalls, 1)
}
func Test_ProjectsWrite_UpdateProjectItems_TwentyOneWritesIsTwoMutationRequests(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
transport := chunkSizeTestRun(t, toolDef, 21)
assert.Len(t, transport.mutationCalls, 2)
}
func Test_ProjectsWrite_UpdateProjectItems_MaximumWritesIsThreeMutationRequests(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
transport := chunkSizeTestRun(t, toolDef, maxProjectItemsPerBatch)
assert.Len(t, transport.mutationCalls, 3)
}
// chunkSizeTestRun runs an update_project_items call with itemCount node_id
// items (all TEXT field updates), returning the mutationAwareTransport so the
// caller can assert on how many aliased-mutation HTTP requests were made.
func chunkSizeTestRun(t *testing.T, toolDef inventory.ServerTool, itemCount int) *mutationAwareTransport {
t.Helper()
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
fieldNode("PVTF_notes", 101, "Notes", "TEXT"),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(_ int, req capturedGraphQLRequest) (int, string) {
// input (index 0) plus inputN for each additional alias in this chunk.
chunkSize := len(req.Variables)
ids := make(map[int]struct{ NodeID, FullDatabaseID string }, chunkSize)
for i := range chunkSize {
ids[i] = struct{ NodeID, FullDatabaseID string }{
NodeID: "PVTI_chunk",
FullDatabaseID: "1",
}
}
return http.StatusOK, mutationDataResponse(t, ids)
},
}
gqlClient := newTestGQLClient(transport)
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{}))
items := make([]any, itemCount)
for i := range itemCount {
items[i] = map[string]any{"node_id": fmt.Sprintf("PVTI_item%d", i)}
}
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": "hello"},
"items": items,
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
require.False(t, result.IsError, getTextResult(t, result).Text)
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(itemCount), response["succeeded"])
return transport
}
func Test_ProjectsWrite_UpdateProjectItems_SharedNullClearsAllItemsInOrder(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
fieldNode("PVTF_notes", 101, "Notes", "TEXT"),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(_ int, req capturedGraphQLRequest) (int, string) {
assert.Contains(t, req.Query, "clearProjectV2ItemFieldValue")
assert.NotContains(t, req.Query, "updateProjectV2ItemFieldValue")
for _, input := range req.Variables {
assert.NotContains(t, input.(map[string]any), "value")
}
return http.StatusOK, mutationDataResponse(t, map[int]struct{ NodeID, FullDatabaseID string }{
0: {NodeID: "PVTI_item0", FullDatabaseID: "1000"},
1: {NodeID: "PVTI_item1", FullDatabaseID: "1001"},
2: {NodeID: "PVTI_item2", FullDatabaseID: "1002"},
})
},
}
gqlClient := newTestGQLClient(transport)
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{}))
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": nil},
"items": []any{
map[string]any{"node_id": "PVTI_item0"},
map[string]any{"node_id": "PVTI_item1"},
map[string]any{"node_id": "PVTI_item2"},
},
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
require.False(t, result.IsError, getTextResult(t, result).Text)
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(3), response["succeeded"])
results := response["results"].([]any)
require.Len(t, results, 3)
for i, r := range results {
entry := r.(map[string]any)
assert.Equal(t, float64(i), entry["index"])
assert.Equal(t, "succeeded", entry["status"])
assert.Equal(t, fmt.Sprintf("%d", 1000+i), entry["item"].(map[string]any)["full_database_id"])
}
assert.Len(t, transport.mutationCalls, 1)
}
func Test_ProjectsWrite_UpdateProjectItems_TransportFailureAbortsLaterChunks(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
fieldNode("PVTF_notes", 101, "Notes", "TEXT"),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(callIndex int, _ capturedGraphQLRequest) (int, string) {
if callIndex == 0 {
// Systemic transport-level failure: no data at all.
return http.StatusInternalServerError, `{"message":"internal server error"}`
}
t.Fatalf("chunk #%d must not execute after an ambiguous chunk-level failure", callIndex)
return http.StatusInternalServerError, ""
},
}
gqlClient := newTestGQLClient(transport)
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{}))
items := make([]any, 25)
for i := range 25 {
items[i] = map[string]any{"node_id": fmt.Sprintf("PVTI_item%d", i)}
}
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": "x"},
"items": items,
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
// No item succeeded (all unknown after the abort), so IsError is set per
// the "no item succeeded" rule, even though nothing was deterministically
// rejected; the structured result (with unknown statuses) is still available.
assert.True(t, result.IsError)
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(0), response["succeeded"])
assert.Equal(t, float64(25), response["unknown"])
assert.Len(t, transport.mutationCalls, 1, "only the first (failing) chunk should have been sent")
results := response["results"].([]any)
for _, r := range results {
assert.Equal(t, "unknown", r.(map[string]any)["status"])
}
}
func Test_ProjectsWrite_UpdateProjectItems_AllFailedSetsIsError(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{}))
mocked := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
)
countingTransport := &requestCountingTransport{inner: mocked.Transport}
gqlClient := newTestGQLClient(countingTransport)
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": "x"},
"items": []any{
map[string]any{},
map[string]any{"node_id": ""},
map[string]any{"item_id": float64(0)},
},
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.True(t, result.IsError, "IsError must be set when no item in the batch succeeds")
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(0), response["succeeded"])
assert.Equal(t, float64(3), response["failed"])
assert.Zero(t, countingTransport.count, "an all-invalid batch should not perform GraphQL resolution")
}
func Test_ProjectsWrite_UpdateProjectItems_MixedOutcomeKeepsIsErrorFalse(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
fieldNode("PVTF_notes", 101, "Notes", "TEXT"),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(_ int, _ capturedGraphQLRequest) (int, string) {
return http.StatusOK, mutationDataResponse(t, map[int]struct{ NodeID, FullDatabaseID string }{
0: {NodeID: "PVTI_item0", FullDatabaseID: "1000"},
})
},
}
gqlClient := newTestGQLClient(transport)
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{}))
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": "x"},
"items": []any{
map[string]any{"node_id": "PVTI_item0"},
map[string]any{}, // deterministic failure
},
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
assert.False(t, result.IsError, "mixed outcomes must keep IsError false so the structured result stays available")
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(1), response["succeeded"])
assert.Equal(t, float64(1), response["failed"])
}
// Test_ProjectsWrite_UpdateProjectItems_EnterpriseClientWiring verifies the
// batch mutation path works unchanged when gqlClient was constructed via
// githubv4.NewEnterpriseClient (GHES), not just githubv4.NewClient: the
// reflection-based mutation logic never assumes a specific endpoint and only
// ever uses the injected client.
func Test_ProjectsWrite_UpdateProjectItems_EnterpriseClientWiring(t *testing.T) {
toolDef := ProjectsWrite(translations.NullTranslationHelper)
queryTransport := githubv4mock.NewMockedHTTPClient(
projectIDMatcher("octo-org", 1, "PVT_project1"),
githubv4mock.NewQueryMatcher(
projectFieldsTestQuery{},
fieldsQueryVars("octo-org", 1),
githubv4mock.DataResponse(fieldsResponse([]map[string]any{
fieldNode("PVTF_notes", 101, "Notes", "TEXT"),
})),
),
)
transport := &mutationAwareTransport{
t: t,
queries: queryTransport.Transport,
mutationRespond: func(_ int, _ capturedGraphQLRequest) (int, string) {
return http.StatusOK, mutationDataResponse(t, map[int]struct{ NodeID, FullDatabaseID string }{
0: {NodeID: "PVTI_item0", FullDatabaseID: "1000"},
})
},
}
gqlClient := githubv4.NewEnterpriseClient("https://ghe.example.com/graphql", &http.Client{Transport: transport})
restClient := mustNewGHClient(t, MockHTTPClientWithHandlers(map[string]http.HandlerFunc{}))
deps := BaseDeps{Client: restClient, GQLClient: gqlClient}
handler := toolDef.Handler(deps)
request := createMCPRequest(map[string]any{
"method": "update_project_items",
"owner": "octo-org",
"owner_type": "org",
"project_number": float64(1),
"updated_field": map[string]any{"name": "Notes", "value": "x"},
"items": []any{
map[string]any{"node_id": "PVTI_item0"},
},
})
result, err := handler(ContextWithDeps(context.Background(), deps), &request)
require.NoError(t, err)
require.False(t, result.IsError, getTextResult(t, result).Text)
var response map[string]any
require.NoError(t, json.Unmarshal([]byte(getTextResult(t, result).Text), &response))
assert.Equal(t, float64(1), response["succeeded"])
}
func Test_ParseItemRef_ExactlyOneFormRequired(t *testing.T) {
tests := []struct {
name string
entry map[string]any
wantErr string
}{
{
name: "none provided",
entry: map[string]any{},
wantErr: "exactly one of",
},
{
name: "node_id and item_id both provided",
entry: map[string]any{"node_id": "PVTI_x", "item_id": float64(1)},
wantErr: "not more than one",
},
{
name: "item_id and issue ref both provided",
entry: map[string]any{"item_id": float64(1), "item_owner": "o", "item_repo": "r", "issue_number": float64(1)},
wantErr: "not more than one",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
p := parsedBatchItem{}
err := p.parseItemRef(tt.entry)
require.Error(t, err)
assert.Contains(t, err.Error(), tt.wantErr)
})
}
}
func Test_ParseItemRef_NodeIDBypassesLookup(t *testing.T) {
p := parsedBatchItem{}
err := p.parseItemRef(map[string]any{"node_id": "PVTI_abc123"})
require.NoError(t, err)
assert.Equal(t, batchRefNodeID, p.refKind)
assert.Equal(t, "PVTI_abc123", p.nodeID)
}
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