server: Move all the top level files into cmd folder. (#2490)

This change brings a change which was done for the 'mc'
package to allow for clean repo and have a cleaner
github drop in experience.

cmd/utils_test.go

@@ -0,0 +1,96 @@
+/*
+ * Minio Cloud Storage, (C) 2016 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cmd
+
+import "testing"
+
+// Tests maximum object size.
+func TestMaxObjectSize(t *testing.T) {
+	sizes := []struct {
+		isMax bool
+		size  int64
+	}{
+		// Test - 1 - maximum object size.
+		{
+			true,
+			maxObjectSize + 1,
+		},
+		// Test - 2 - not maximum object size.
+		{
+			false,
+			maxObjectSize - 1,
+		},
+	}
+	for i, s := range sizes {
+		isMax := isMaxObjectSize(s.size)
+		if isMax != s.isMax {
+			t.Errorf("Test %d: Expected %t, got %t", i+1, s.isMax, isMax)
+		}
+	}
+}
+
+// Tests minimum allowed part size.
+func TestMinAllowedPartSize(t *testing.T) {
+	sizes := []struct {
+		isMin bool
+		size  int64
+	}{
+		// Test - 1 - within minimum part size.
+		{
+			true,
+			minPartSize + 1,
+		},
+		// Test - 2 - smaller than minimum part size.
+		{
+			false,
+			minPartSize - 1,
+		},
+	}
+
+	for i, s := range sizes {
+		isMin := isMinAllowedPartSize(s.size)
+		if isMin != s.isMin {
+			t.Errorf("Test %d: Expected %t, got %t", i+1, s.isMin, isMin)
+		}
+	}
+}
+
+// Tests maximum allowed part number.
+func TestMaxPartID(t *testing.T) {
+	sizes := []struct {
+		isMax bool
+		partN int
+	}{
+		// Test - 1 part number within max part number.
+		{
+			false,
+			maxPartID - 1,
+		},
+		// Test - 2 part number bigger than max part number.
+		{
+			true,
+			maxPartID + 1,
+		},
+	}
+
+	for i, s := range sizes {
+		isMax := isMaxPartID(s.partN)
+		if isMax != s.isMax {
+			t.Errorf("Test %d: Expected %t, got %t", i+1, s.isMax, isMax)
+		}
+	}
+}