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package main
import (
"bytes"
"database/sql"
"net/http"
"net/http/httptest"
"testing"
)
type Handler func(db *sql.DB) http.Handler
type httpCase struct {
name string
method string
input []byte
output []byte
status int
}
func testHandler(
t *testing.T,
handler Handler,
cases []httpCase,
setup func(t *testing.T) *sql.DB,
) {
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
db := setup(t)
in := bytes.NewReader(c.input)
rr := httptest.NewRecorder()
req, err := http.NewRequest("POST", "/", in)
if err != nil {
t.Fatal(err)
}
handler(db).ServeHTTP(rr, req)
if rr.Code != c.status {
t.Errorf("handler returned wrong status code: got %v want %v",
rr.Code, c.status)
}
if rr.Body.String() != string(c.output) {
t.Errorf("handler returned unexpected body: got %v want %v",
rr.Body.String(), string(c.output))
}
})
}
}
func TestHTTPVersion(t *testing.T) {
cases := []httpCase{
{"basic", "GET", []byte(``), []byte(versionTxt), http.StatusOK},
}
setup := func(t *testing.T) *sql.DB {
return nil
}
testHandler(t, version, cases, setup)
}
func TestHTTPRegister(t *testing.T) {
cases := []httpCase{
{"basic", "POST", []byte(`{"username":"testuser","password":"mypass"}`), []byte(""), http.StatusOK},
{"missing-password", "POST", []byte(`{"username":"testuser"}`), []byte(""), http.StatusBadRequest},
{"missing-username", "POST", []byte(`{"password":"mypass"}`), []byte(""), http.StatusBadRequest},
{"unknown-field", "POST", []byte(`{"username":"testuser","password":"mypass","foo":"bar"}`), []byte(""), http.StatusBadRequest},
{"invalid-json", "POST", []byte(`{username":"testuser","password":"mypass"}`), []byte(""), http.StatusBadRequest},
}
setup := func(t *testing.T) *sql.DB {
db, _ := emptyDB(t)
err := MigrateToLatest(db)
if err != nil {
t.Fatalf("Could not migrate test database: %v", err)
}
return db
}
testHandler(t, register, cases, setup)
}
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