103194a11a
The template name was hardcoded into the binary at startup via
NewCreateProjectFromTemplate("mathias", "template-go-web"), so
generating from a different template (e.g. template-go-agent)
required a code change and restart. The constructor already
parameterised it correctly — the gap was at the tool's input
schema, which never exposed template_name to the caller.
Adds an optional template_name input field. When set, it overrides
the server-configured default for that call only; when omitted,
behavior is unchanged. Template owner stays server-configured —
only the repo name is per-call.
Server-side validation already verifies the resolved template
exists and is marked as a template repo, so no enum constraint
is added — keeps the door open for future templates (go-ml,
go-service, ...) without redeploys.
Adds TestCreateProjectTemplateNameOverride verifying the override
directs both the template lookup and the /generate POST.
Closes #24
323 lines
13 KiB
Go
323 lines
13 KiB
Go
package tools_test
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
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"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
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"gitea.d-ma.be/mathias/gitea-mcp/internal/tools"
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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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// substitutionFileList matches the tool's internal list — used to drive fake server routing.
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var substitutionFileList = []string{
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"go.mod",
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"Taskfile.yml",
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"Dockerfile",
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".gitea/workflows/cd.yml",
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"README.md",
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".context/PROJECT.md",
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}
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// contentWithPlaceholder is a template file body that contains the placeholder.
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const contentWithPlaceholder = "# __PROJECT_NAME__\nmodule __MODULE_PATH__\n"
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func encodedContent(s string) string {
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return base64.StdEncoding.EncodeToString([]byte(s))
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}
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// fileContentsJSON returns a JSON FileContents object for the given path.
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func fileContentsJSON(path string) string {
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enc := encodedContent(contentWithPlaceholder)
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return fmt.Sprintf(`{"path":%q,"sha":"sha-%s","size":40,"content":%q,"encoding":"base64"}`,
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path, strings.ReplaceAll(path, "/", "-"), enc)
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}
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// fileWriteResultJSON returns a minimal FileWriteResult JSON.
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func fileWriteResultJSON(path string) string {
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return fmt.Sprintf(`{"content":{"path":%q,"sha":"newsha","html_url":""},"commit":{"sha":"c","html_url":""}}`, path)
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}
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// newTemplateRepoJSON returns a JSON Repo marked as template.
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func newTemplateRepoJSON(name string, isTemplate bool) string {
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return fmt.Sprintf(`{"name":%q,"full_name":"mathias/%s","default_branch":"main","description":"","private":false,"clone_url":"http://gitea.example.com/mathias/%s.git","html_url":"http://gitea.example.com/mathias/%s","template":%v}`,
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name, name, name, name, isTemplate)
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}
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// newGeneratedRepoJSON returns the JSON for the newly generated repo.
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func newGeneratedRepoJSON(name string) string {
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return fmt.Sprintf(`{"name":%q,"full_name":"mathias/%s","default_branch":"main","description":"","private":false,"clone_url":"http://gitea.example.com/mathias/%s.git","html_url":"http://gitea.example.com/mathias/%s","template":false}`,
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name, name, name, name)
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}
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func newCreateProjectTool(srvURL string) *tools.CreateProjectFromTemplate {
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c := gitea.NewClient(srvURL, "tok")
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a := allowlist.New([]string{"mathias"})
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return tools.NewCreateProjectFromTemplate(c, a, "mathias", "template-go-web")
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}
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// TestCreateProjectHappyPath: all 6 files served and substituted.
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func TestCreateProjectHappyPath(t *testing.T) {
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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switch {
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// Template repo lookup
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/template-go-web":
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_, _ = w.Write([]byte(newTemplateRepoJSON("template-go-web", true)))
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// Destination repo lookup — 404 means it doesn't exist yet
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/new-svc":
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w.WriteHeader(http.StatusNotFound)
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_, _ = w.Write([]byte(`{"message":"not found"}`))
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// Generate
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case r.Method == http.MethodPost && r.URL.Path == "/api/v1/repos/mathias/template-go-web/generate":
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w.WriteHeader(http.StatusCreated)
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_, _ = w.Write([]byte(newGeneratedRepoJSON("new-svc")))
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// File contents GET — handle all 6 substitution files
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case r.Method == http.MethodGet && strings.HasPrefix(r.URL.Path, "/api/v1/repos/mathias/new-svc/contents/"):
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filePath := strings.TrimPrefix(r.URL.Path, "/api/v1/repos/mathias/new-svc/contents/")
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_, _ = w.Write([]byte(fileContentsJSON(filePath)))
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// File contents PUT — handle all 6 substitution files
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case r.Method == http.MethodPut && strings.HasPrefix(r.URL.Path, "/api/v1/repos/mathias/new-svc/contents/"):
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filePath := strings.TrimPrefix(r.URL.Path, "/api/v1/repos/mathias/new-svc/contents/")
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w.WriteHeader(http.StatusOK)
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_, _ = w.Write([]byte(fileWriteResultJSON(filePath)))
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default:
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t.Errorf("unexpected request: %s %s", r.Method, r.URL.Path)
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer srv.Close()
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tool := newCreateProjectTool(srv.URL)
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result, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"new-svc","description":"A new service"}`))
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require.NoError(t, err)
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var out struct {
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FullName string `json:"full_name"`
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HTMLURL string `json:"html_url"`
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CloneURL string `json:"clone_url"`
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DefaultBranch string `json:"default_branch"`
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FilesSubstituted []string `json:"files_substituted"`
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PartialFailure string `json:"partial_failure,omitempty"`
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}
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require.NoError(t, json.Unmarshal(result, &out))
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assert.Equal(t, "mathias/new-svc", out.FullName)
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assert.Equal(t, "http://gitea.example.com/mathias/new-svc", out.HTMLURL)
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assert.Equal(t, "main", out.DefaultBranch)
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assert.ElementsMatch(t, substitutionFileList, out.FilesSubstituted)
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assert.Empty(t, out.PartialFailure)
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}
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// TestCreateProjectTemplateNameOverride (issue #24): per-call template_name overrides the
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// server-configured default, so the same binary can generate from template-go-web or
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// template-go-agent without restart.
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func TestCreateProjectTemplateNameOverride(t *testing.T) {
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var templateLookups, generateCalls []string
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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switch {
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/template-go-agent":
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templateLookups = append(templateLookups, "template-go-agent")
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_, _ = w.Write([]byte(newTemplateRepoJSON("template-go-agent", true)))
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/template-go-web":
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templateLookups = append(templateLookups, "template-go-web")
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_, _ = w.Write([]byte(newTemplateRepoJSON("template-go-web", true)))
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/new-agent":
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w.WriteHeader(http.StatusNotFound)
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_, _ = w.Write([]byte(`{"message":"not found"}`))
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case r.Method == http.MethodPost && strings.HasSuffix(r.URL.Path, "/generate"):
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generateCalls = append(generateCalls, r.URL.Path)
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w.WriteHeader(http.StatusCreated)
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_, _ = w.Write([]byte(newGeneratedRepoJSON("new-agent")))
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case r.Method == http.MethodGet && strings.HasPrefix(r.URL.Path, "/api/v1/repos/mathias/new-agent/contents/"):
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filePath := strings.TrimPrefix(r.URL.Path, "/api/v1/repos/mathias/new-agent/contents/")
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_, _ = w.Write([]byte(fileContentsJSON(filePath)))
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case r.Method == http.MethodPut && strings.HasPrefix(r.URL.Path, "/api/v1/repos/mathias/new-agent/contents/"):
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filePath := strings.TrimPrefix(r.URL.Path, "/api/v1/repos/mathias/new-agent/contents/")
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w.WriteHeader(http.StatusOK)
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_, _ = w.Write([]byte(fileWriteResultJSON(filePath)))
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default:
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t.Errorf("unexpected request: %s %s", r.Method, r.URL.Path)
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer srv.Close()
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// Server is configured with template-go-web as the default; call overrides to template-go-agent.
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tool := newCreateProjectTool(srv.URL)
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_, err := tool.Call(context.Background(), json.RawMessage(
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`{"owner":"mathias","name":"new-agent","template_name":"template-go-agent"}`,
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))
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require.NoError(t, err)
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assert.Equal(t, []string{"template-go-agent"}, templateLookups,
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"override must direct the template lookup, not the server default")
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require.Len(t, generateCalls, 1)
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assert.Equal(t, "/api/v1/repos/mathias/template-go-agent/generate", generateCalls[0],
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"override must direct the /generate call too")
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}
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// TestCreateProjectNameRegexFailure: invalid name returns ErrValidation without hitting network.
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func TestCreateProjectNameRegexFailure(t *testing.T) {
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tool := tools.NewCreateProjectFromTemplate(
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gitea.NewClient("http://unused", ""),
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allowlist.New([]string{"mathias"}),
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"mathias", "template-go-web",
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)
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_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"INVALID_NAME"}`))
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require.Error(t, err)
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assert.ErrorIs(t, err, gitea.ErrValidation)
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}
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// TestCreateProjectAllowlistRejects: owner not in allowlist returns error.
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func TestCreateProjectAllowlistRejects(t *testing.T) {
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tool := tools.NewCreateProjectFromTemplate(
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gitea.NewClient("http://unused", ""),
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allowlist.New([]string{"mathias"}),
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"mathias", "template-go-web",
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)
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_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"evil","name":"new-svc"}`))
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require.Error(t, err)
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assert.Contains(t, err.Error(), "allowlist")
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}
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// TestCreateProjectTemplateNotTemplate: template repo exists but is not marked as template.
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func TestCreateProjectTemplateNotTemplate(t *testing.T) {
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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// Template lookup returns a non-template repo.
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if r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/template-go-web" {
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_, _ = w.Write([]byte(newTemplateRepoJSON("template-go-web", false)))
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return
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}
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t.Errorf("unexpected request: %s %s", r.Method, r.URL.Path)
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w.WriteHeader(http.StatusNotFound)
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}))
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defer srv.Close()
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tool := newCreateProjectTool(srv.URL)
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_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"new-svc"}`))
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require.Error(t, err)
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assert.ErrorIs(t, err, gitea.ErrValidation)
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}
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// TestCreateProjectDestinationExists: destination repo already exists.
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func TestCreateProjectDestinationExists(t *testing.T) {
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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switch {
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/template-go-web":
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_, _ = w.Write([]byte(newTemplateRepoJSON("template-go-web", true)))
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/new-svc":
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// Destination exists — return 200.
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_, _ = w.Write([]byte(newTemplateRepoJSON("new-svc", false)))
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default:
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t.Errorf("unexpected request: %s %s", r.Method, r.URL.Path)
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer srv.Close()
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tool := newCreateProjectTool(srv.URL)
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_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"new-svc"}`))
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require.Error(t, err)
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assert.ErrorIs(t, err, gitea.ErrConflict)
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}
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// TestCreateProjectMidPassSubstitutionFailure: the 4th file (.gitea/workflows/cd.yml) PUT fails;
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// the first 3 are substituted, partial_failure is populated, no Go error is returned.
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func TestCreateProjectMidPassSubstitutionFailure(t *testing.T) {
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// Files that should succeed (index 0-2 in substitutionFileList).
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successFiles := map[string]bool{
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"go.mod": true,
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"Taskfile.yml": true,
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"Dockerfile": true,
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}
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// The 4th file (index 3) is .gitea/workflows/cd.yml — its PUT returns 500.
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failFile := ".gitea/workflows/cd.yml"
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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switch {
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/template-go-web":
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_, _ = w.Write([]byte(newTemplateRepoJSON("template-go-web", true)))
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/repos/mathias/new-svc":
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w.WriteHeader(http.StatusNotFound)
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_, _ = w.Write([]byte(`{"message":"not found"}`))
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case r.Method == http.MethodPost && r.URL.Path == "/api/v1/repos/mathias/template-go-web/generate":
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w.WriteHeader(http.StatusCreated)
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_, _ = w.Write([]byte(newGeneratedRepoJSON("new-svc")))
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case r.Method == http.MethodGet && strings.HasPrefix(r.URL.Path, "/api/v1/repos/mathias/new-svc/contents/"):
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filePath := strings.TrimPrefix(r.URL.Path, "/api/v1/repos/mathias/new-svc/contents/")
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_, _ = w.Write([]byte(fileContentsJSON(filePath)))
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case r.Method == http.MethodPut && strings.HasPrefix(r.URL.Path, "/api/v1/repos/mathias/new-svc/contents/"):
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filePath := strings.TrimPrefix(r.URL.Path, "/api/v1/repos/mathias/new-svc/contents/")
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if filePath == failFile {
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// Simulate upstream 500.
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w.WriteHeader(http.StatusInternalServerError)
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_, _ = w.Write([]byte(`{"message":"internal server error"}`))
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return
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}
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if !successFiles[filePath] {
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t.Errorf("unexpected PUT for file: %s", filePath)
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w.WriteHeader(http.StatusNotFound)
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return
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}
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w.WriteHeader(http.StatusOK)
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_, _ = w.Write([]byte(fileWriteResultJSON(filePath)))
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default:
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t.Errorf("unexpected request: %s %s", r.Method, r.URL.Path)
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer srv.Close()
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tool := newCreateProjectTool(srv.URL)
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result, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"new-svc"}`))
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// Best-effort: no Go error returned, partial state in result.
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require.NoError(t, err)
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var out struct {
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FullName string `json:"full_name"`
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FilesSubstituted []string `json:"files_substituted"`
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PartialFailure string `json:"partial_failure,omitempty"`
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}
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require.NoError(t, json.Unmarshal(result, &out))
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// First 3 files should be in FilesSubstituted.
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assert.Len(t, out.FilesSubstituted, 3)
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assert.Contains(t, out.FilesSubstituted, "go.mod")
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assert.Contains(t, out.FilesSubstituted, "Taskfile.yml")
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assert.Contains(t, out.FilesSubstituted, "Dockerfile")
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assert.NotContains(t, out.FilesSubstituted, failFile)
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// partial_failure should be non-empty.
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assert.NotEmpty(t, out.PartialFailure, "partial_failure should be populated on mid-pass failure")
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}
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