Initial commit

application/rw/fetch_test.go

@@ -0,0 +1,59 @@
+// Sshwifty - A Web SSH client
+//
+// Copyright (C) 2019 Rui NI <nirui@gmx.com>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package rw
+
+import (
+	"bytes"
+	"io"
+	"testing"
+)
+
+func testDummyFetchGen(data []byte) FetchReaderFetcher {
+	current := 0
+
+	return func() ([]byte, error) {
+		if current >= len(data) {
+			return nil, io.EOF
+		}
+
+		oldCurrent := current
+		current = oldCurrent + 1
+
+		return data[oldCurrent:current], nil
+	}
+}
+
+func TestFetchReader(t *testing.T) {
+	r := NewFetchReader(testDummyFetchGen([]byte("Hello World")))
+	b := make([]byte, 11)
+
+	_, rErr := io.ReadFull(&r, b)
+
+	if rErr != nil {
+		t.Error("Failed to read due to error:", rErr)
+
+		return
+	}
+
+	if !bytes.Equal(b, []byte("Hello World")) {
+		t.Errorf("Expecting data to be %s, got %s instead",
+			[]byte("Hello World"), b)
+
+		return
+	}
+}