add some unit tests

pkg/model/defaults/BUILD.bazel

@@ -1,4 +1,4 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
 
 go_library(
     name = "go_default_library",
@@ -7,3 +7,10 @@ go_library(
     visibility = ["//visibility:public"],
     deps = ["//pkg/apis/kops:go_default_library"],
 )
+
+go_test(
+    name = "go_default_test",
+    srcs = ["volumes_test.go"],
+    embed = [":go_default_library"],
+    deps = ["//pkg/apis/kops:go_default_library"],
+)

pkg/model/defaults/volumes_test.go

@@ -0,0 +1,41 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+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 defaults
+
+import (
+	"testing"
+
+	"k8s.io/kops/pkg/apis/kops"
+)
+
+func TestDefaultInstanceGroupVolumeSize(t *testing.T) {
+	tests := []struct {
+		role     kops.InstanceGroupRole
+		expected int32
+	}{
+		{
+			role:     "Node2",
+			expected: -1,
+		},
+	}
+	for _, test := range tests {
+		result, _ := DefaultInstanceGroupVolumeSize(test.role)
+		if test.expected != result {
+			t.Errorf("Expected %d, got %d", test.expected, result)
+		}
+	}
+}

upup/pkg/fi/utils/BUILD.bazel

@@ -1,4 +1,4 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
 
 go_library(
     name = "go_default_library",
@@ -16,3 +16,13 @@ go_library(
         "//vendor/k8s.io/client-go/util/homedir:go_default_library",
     ],
 )
+
+go_test(
+    name = "go_default_test",
+    srcs = [
+        "equals_test.go",
+        "hash_test.go",
+        "sanitize_test.go",
+    ],
+    embed = [":go_default_library"],
+)

upup/pkg/fi/utils/equals_test.go

@@ -0,0 +1,83 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+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 utils
+
+import (
+	"testing"
+)
+
+func TestStringSlicesEqual(t *testing.T) {
+	tests := []struct {
+		l        []string
+		r        []string
+		expected bool
+	}{
+		{
+			l:        []string{"a", "b"},
+			r:        []string{"a"},
+			expected: false,
+		},
+		{
+			l:        []string{"a", "b"},
+			r:        []string{"a", "c"},
+			expected: false,
+		},
+		{
+			l:        []string{"a", "b"},
+			r:        []string{"a", "b"},
+			expected: true,
+		},
+	}
+
+	for _, test := range tests {
+		result := StringSlicesEqual(test.l, test.r)
+		if test.expected != result {
+			t.Errorf("Expected %v, got %v", test.expected, result)
+		}
+	}
+}
+
+func TestStringSlicesEqualIgnoreOrder(t *testing.T) {
+	tests := []struct {
+		l        []string
+		r        []string
+		expected bool
+	}{
+		{
+			l:        []string{"a", "b"},
+			r:        []string{"a"},
+			expected: false,
+		},
+		{
+			l:        []string{"a", "b"},
+			r:        []string{"a", "c"},
+			expected: false,
+		},
+		{
+			l:        []string{"a", "b"},
+			r:        []string{"b", "a"},
+			expected: true,
+		},
+	}
+
+	for _, test := range tests {
+		result := StringSlicesEqualIgnoreOrder(test.l, test.r)
+		if test.expected != result {
+			t.Errorf("Expected %v, got %v", test.expected, result)
+		}
+	}
+}

upup/pkg/fi/utils/hash_test.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+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 utils
+
+import (
+	"testing"
+)
+
+func TestHashString(t *testing.T) {
+	tests := []struct {
+		s           string
+		expectedStr string
+	}{
+		{
+			s:           "test",
+			expectedStr: "a94a8fe5ccb19ba61c4c0873d391e987982fbbd3",
+		},
+		{
+			s:           "~!*/?",
+			expectedStr: "783c2ea26549ce90df7cd90a27bf9094c226c406",
+		},
+		{
+			s:           "测试1",
+			expectedStr: "6d972f7f1450aba1f7496f685c3c656c4fca9624",
+		},
+		{
+			s:           "-897668",
+			expectedStr: "c8facb588b36948d5da0e3a7e16977a701331b0a",
+		},
+	}
+
+	for _, test := range tests {
+		result, _ := HashString(test.s)
+		if test.expectedStr != result {
+			t.Errorf("Expected %s, got %s", test.expectedStr, result)
+		}
+	}
+}

upup/pkg/fi/utils/sanitize_test.go

@@ -0,0 +1,44 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+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 utils
+
+import (
+	"testing"
+)
+
+func TestSanitizeString(t *testing.T) {
+	tests := []struct {
+		s        string
+		expected string
+	}{
+		{
+			s:        "te_ST-01",
+			expected: "te_ST-01",
+		},
+		{
+			s:        "(/%test!&*)~!@#$%^&<>?/+",
+			expected: "___test_________________",
+		},
+	}
+
+	for _, test := range tests {
+		result := SanitizeString(test.s)
+		if test.expected != result {
+			t.Errorf("Expected %s, got %s", test.expected, result)
+		}
+	}
+}