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package redirector_test
import (
"io"
"net/http"
"net/http/httptest"
"regexp"
"testing"
"go.awhk.org/core"
"go.awhk.org/go-import-redirect/pkg/redirector"
)
func TestRedirector_ServeHTTP(s *testing.T) {
t := core.T{T: s}
meta := regexp.MustCompile(`<meta name="go-import" content="(.+?)">`)
redir := &redirector.Redirector{
Template: redirector.DefaultTemplate,
Transformers: []redirector.Transformer{
{
Pattern: &redirector.Pattern{regexp.MustCompile("go.example.com/x/baz(?:/.+)?")},
Replacement: "https://git.example.net/elsewhere/baz",
VCS: "git",
},
{
Pattern: &redirector.Pattern{regexp.MustCompile("go.example.com/x/([^/]+)(?:/.+)?")},
Replacement: "https://git.example.net/y/$1",
VCS: "git",
},
{
Pattern: &redirector.Pattern{regexp.MustCompile("go.example.com/x/qux(?:/.+)?")},
Replacement: "https://git.example.net/elsewhere/qux",
VCS: "git",
},
},
}
for _, tc := range []struct {
name string
method string
url string
expGetStatusCode int
expGetGoImport string
expVisitStatusCode int
expVisitLocation string
}{
{
name: "Match",
method: http.MethodGet,
url: "https://go.example.com/x/foo",
expGetStatusCode: http.StatusOK,
expGetGoImport: "go.example.com/x/foo git https://git.example.net/y/foo",
expVisitStatusCode: http.StatusFound,
expVisitLocation: "https://pkg.go.dev/go.example.com/x/foo",
},
{
name: "MatchDirectory",
method: http.MethodGet,
url: "https://go.example.com/x/foo/bar",
expGetStatusCode: http.StatusOK,
expGetGoImport: "go.example.com/x/foo/bar git https://git.example.net/y/foo",
expVisitStatusCode: http.StatusFound,
expVisitLocation: "https://pkg.go.dev/go.example.com/x/foo/bar",
},
{
name: "MatchIgnored",
method: http.MethodGet,
url: "https://go.example.com/x/qux",
expGetStatusCode: http.StatusOK,
expGetGoImport: "go.example.com/x/qux git https://git.example.net/y/qux",
expVisitStatusCode: http.StatusFound,
expVisitLocation: "https://pkg.go.dev/go.example.com/x/qux",
},
{
name: "MatchSpecific",
method: http.MethodGet,
url: "https://go.example.com/x/baz",
expGetStatusCode: http.StatusOK,
expGetGoImport: "go.example.com/x/baz git https://git.example.net/elsewhere/baz",
expVisitStatusCode: http.StatusFound,
expVisitLocation: "https://pkg.go.dev/go.example.com/x/baz",
},
{
name: "BadMethod",
method: http.MethodPost,
url: "https://go.example.com/x/baz",
expGetStatusCode: http.StatusMethodNotAllowed,
expVisitStatusCode: http.StatusMethodNotAllowed,
},
} {
t.Run("Get"+tc.name, func(t *core.T) {
var (
req = httptest.NewRequest(tc.method, tc.url+"?go-get=1", nil)
w = httptest.NewRecorder()
)
redir.ServeHTTP(w, req)
resp := w.Result()
t.AssertEqual(tc.expGetStatusCode, resp.StatusCode)
t.AssertEqual("", resp.Header.Get("Location"))
match := meta.FindSubmatch(core.Must(io.ReadAll(resp.Body)))
if tc.expGetGoImport == "" {
t.AssertEqual(0, len(match))
return
}
if t.AssertEqual(2, len(match)) {
t.AssertEqual(tc.expGetGoImport, string(match[1]))
}
})
t.Run("Visit"+tc.name, func(t *core.T) {
var (
req = httptest.NewRequest(tc.method, tc.url, nil)
w = httptest.NewRecorder()
)
redir.ServeHTTP(w, req)
resp := w.Result()
t.AssertEqual(tc.expVisitStatusCode, resp.StatusCode)
t.AssertEqual(tc.expVisitLocation, resp.Header.Get("Location"))
})
}
}
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