/*
Copyright 2014 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 strings

import (
	"testing"
)

func TestSplitQualifiedName(t *testing.T) {
	testCases := []struct {
		input  string
		output []string
	}{
		{"kubernetes.io/blah", []string{"kubernetes.io", "blah"}},
		{"blah", []string{"", "blah"}},
		{"kubernetes.io/blah/blah", []string{"kubernetes.io", "blah"}},
	}
	for i, tc := range testCases {
		namespace, name := SplitQualifiedName(tc.input)
		if namespace != tc.output[0] || name != tc.output[1] {
			t.Errorf("case[%d]: expected (%q, %q), got (%q, %q)", i, tc.output[0], tc.output[1], namespace, name)
		}
	}
}

func TestJoinQualifiedName(t *testing.T) {
	testCases := []struct {
		input  []string
		output string
	}{
		{[]string{"kubernetes.io", "blah"}, "kubernetes.io/blah"},
		{[]string{"blah", ""}, "blah"},
		{[]string{"kubernetes.io", "blah"}, "kubernetes.io/blah"},
	}
	for i, tc := range testCases {
		res := JoinQualifiedName(tc.input[0], tc.input[1])
		if res != tc.output {
			t.Errorf("case[%d]: expected %q, got %q", i, tc.output, res)
		}
	}
}

func TestShortenString(t *testing.T) {
	testCases := []struct {
		input   string
		out_len int
		output  string
	}{
		{"kubernetes.io", 5, "kuber"},
		{"blah", 34, "blah"},
		{"kubernetes.io", 13, "kubernetes.io"},
	}
	for i, tc := range testCases {
		res := ShortenString(tc.input, tc.out_len)
		if res != tc.output {
			t.Errorf("case[%d]: expected %q, got %q", i, tc.output, res)
		}
	}
}

func TestIsVowel(t *testing.T) {
	tests := []struct {
		name string
		arg  rune
		want bool
	}{
		{
			name: "yes",
			arg:  'E',
			want: true,
		},
		{
			name: "no",
			arg:  'n',
			want: false,
		},
	}
	for _, tt := range tests {
		if got := isVowel(tt.arg); got != tt.want {
			t.Errorf("%q. IsVowel() = %v, want %v", tt.name, got, tt.want)
		}
	}
}

func TestGetArticleForNoun(t *testing.T) {
	type args struct {
	}
	tests := []struct {
		noun    string
		padding string
		want    string
	}{
		{
			noun:    "Frog",
			padding: " ",
			want:    " a ",
		},
		{
			noun:    "frogs",
			padding: " ",
			want:    " ",
		},
		{
			noun:    "apple",
			padding: "",
			want:    "an",
		},
		{
			noun:    "Apples",
			padding: " ",
			want:    " ",
		},
		{
			noun:    "Ingress",
			padding: " ",
			want:    " an ",
		},
		{
			noun:    "Class",
			padding: " ",
			want:    " a ",
		},
	}
	for _, tt := range tests {
		if got := GetArticleForNoun(tt.noun, tt.padding); got != tt.want {
			t.Errorf("%q. GetArticleForNoun() = %v, want %v", tt.noun, got, tt.want)
		}
	}
}
