From 3ab8537b8b328bb769c1656cfc57858f411d5bb8 Mon Sep 17 00:00:00 2001
From: Murat Kabilov <murat.kabilov@zalando.de>
Date: Fri, 26 May 2017 18:21:17 +0200
Subject: [PATCH] util test

---
 pkg/util/util_test.go | 118 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 pkg/util/util_test.go

diff --git a/pkg/util/util_test.go b/pkg/util/util_test.go
new file mode 100644
index 000000000..ddf42760f
--- /dev/null
+++ b/pkg/util/util_test.go
@@ -0,0 +1,118 @@
+package util
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+
+	"k8s.io/client-go/pkg/api/v1"
+
+	"github.com/zalando-incubator/postgres-operator/pkg/spec"
+)
+
+var pgUsers = []struct {
+	in  spec.PgUser
+	out string
+}{{spec.PgUser{
+	Name:     "test",
+	Password: "password",
+	Flags:    []string{},
+	MemberOf: []string{}},
+	"md587f77988ccb5aa917c93201ba314fcd4"},
+	{spec.PgUser{
+		Name:     "test",
+		Password: "md592f413f3974bdf3799bb6fecb5f9f2c6",
+		Flags:    []string{},
+		MemberOf: []string{}},
+		"md592f413f3974bdf3799bb6fecb5f9f2c6"}}
+
+var prettyTest = []struct {
+	in  interface{}
+	out string
+}{
+	{pgUsers, `[{{test password [] []} md587f77988ccb5aa917c93201ba314fcd4} {{test md592f413f3974bdf3799bb6fecb5f9f2c6 [] []} md592f413f3974bdf3799bb6fecb5f9f2c6}]`},
+}
+
+var prettyDiffTest = []struct {
+	inA interface{}
+	inB interface{}
+	out string
+}{
+	{[]int{1, 2, 3, 4}, []int{1, 2, 3}, "[]int[4] != []int[3]"},
+	{[]int{1, 2, 3, 4}, []int{1, 2, 3, 4}, ""},
+}
+
+var substractTest = []struct {
+	inA      []string
+	inB      []string
+	out      []string
+	outEqual bool
+}{
+	{[]string{"a", "b", "c", "d"}, []string{"a", "b", "c", "d"}, []string{}, true},
+	{[]string{"a", "b", "c", "d"}, []string{"a", "bb", "c", "d"}, []string{"b"}, false},
+}
+
+func TestRandomPassword(t *testing.T) {
+	const pwdLength = 10
+	pwd := RandomPassword(pwdLength)
+	if a := len(pwd); a != pwdLength {
+		t.Errorf("Password length expected: %d, got: %d", pwdLength, a)
+	}
+}
+
+func TestNameFromMeta(t *testing.T) {
+	meta := v1.ObjectMeta{
+		Name:      "testcluster",
+		Namespace: "default",
+	}
+
+	expected := spec.NamespacedName{
+		Name:      "testcluster",
+		Namespace: "default",
+	}
+
+	actual := NameFromMeta(meta)
+	if actual != expected {
+		t.Errorf("NameFromMeta expected: %#v, got: %#v", expected, actual)
+	}
+}
+
+func TestPGUserPassword(t *testing.T) {
+	for _, tt := range pgUsers {
+		pwd := PGUserPassword(tt.in)
+		if pwd != tt.out {
+			t.Errorf("PgUserPassword expected: %s, got: %s", tt.out, pwd)
+		}
+	}
+}
+
+func TestPretty(t *testing.T) {
+	for _, tt := range prettyTest {
+		if actual := Pretty(tt.in); fmt.Sprintf("%v", actual) != tt.out {
+			t.Errorf("Pretty expected: %s, got: %s", tt.out, actual)
+		}
+	}
+}
+
+func TestPrettyDiff(t *testing.T) {
+	for _, tt := range prettyDiffTest {
+		if actual := PrettyDiff(tt.inA, tt.inB); actual != tt.out {
+			t.Errorf("PrettyDiff expected: %s, got: %s", tt.out, actual)
+		}
+	}
+}
+
+func TestSubstractSlices(t *testing.T) {
+	for _, tt := range substractTest {
+		actualRes, actualEqual := SubstractStringSlices(tt.inA, tt.inB)
+		if actualEqual != tt.outEqual {
+			t.Errorf("SubstractStringSlices expected equal: %t, got: %t", tt.outEqual, actualEqual)
+		}
+
+		if len(actualRes) == 0 && len(tt.out) == 0 {
+			continue
+		} else if !reflect.DeepEqual(actualRes, tt.out) {
+			t.Errorf("SubstractStringSlices expected res: %v, got: %v", tt.out, actualRes)
+		}
+	}
+}