Add tests for users and sessions

Split out common test infrastructure from security_templates_test, make
tests HTTPS, use the http.Client provided by httptest

internal/handlers/common_test.go

@@ -0,0 +1,66 @@
+package handlers_test
+
+import (
+	"database/sql"
+	"github.com/aclindsa/moneygo/internal/config"
+	"github.com/aclindsa/moneygo/internal/db"
+	"github.com/aclindsa/moneygo/internal/handlers"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"os"
+	"path"
+	"strings"
+	"testing"
+)
+
+var server *httptest.Server
+
+func Delete(client *http.Client, url string) (*http.Response, error) {
+	request, err := http.NewRequest(http.MethodDelete, url, nil)
+	if err != nil {
+		return nil, err
+	}
+	return client.Do(request)
+}
+
+func PutForm(client *http.Client, url string, data url.Values) (*http.Response, error) {
+	request, err := http.NewRequest(http.MethodPut, url, strings.NewReader(data.Encode()))
+	if err != nil {
+		return nil, err
+	}
+	request.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	return client.Do(request)
+}
+
+func RunTests(m *testing.M) int {
+	tmpdir, err := ioutil.TempDir("./", "handlertest")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer os.RemoveAll(tmpdir)
+
+	dbpath := path.Join(tmpdir, "moneygo.sqlite")
+	database, err := sql.Open("sqlite3", "file:"+dbpath+"?cache=shared&mode=rwc")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer database.Close()
+
+	dbmap, err := db.GetDbMap(database, config.SQLite)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	servemux := handlers.GetHandler(dbmap)
+	server = httptest.NewTLSServer(servemux)
+	defer server.Close()
+
+	return m.Run()
+}
+
+func TestMain(m *testing.M) {
+	os.Exit(RunTests(m))
+}