label_test.go

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

package names

import (
	"testing"
)

//cspell:disable

func TestLabelName(t *testing.T) {
	tests := []struct {
		name     string
		input    string
		expected string
	}{
		{"Lowercase", "myproject", "myproject"},
		{"Uppercase", "MYPROJECT", "myproject"},
		{"MixedCase", "myProject", "my-project"},
		{"MixedCaseEnd", "myProjecT", "my-project"},
		{"TitleCase", "MyProject", "my-project"},
		{"TitleCaseEnd", "MyProjecT", "my-project"},
		{"WithDot", "my.project", "my-project"},
		{"WithDotTitleCase", "My.Project", "my-project"},
		{"WithHyphen", "my-project", "my-project"},
		{"WithHyphenTitleCase", "My-Project", "my-project"},
		{"StartWithNumber", "1myproject", "1myproject"},
		{"EndWithNumber", "myproject2", "myproject2"},
		{"MixedWithNumbers", "my2Project3", "my2-project3"},
		{"SpecialCharacters", "my_project!@#", "my-project"},
		{"EmptyString", "", ""},
		{"DotOnly", ".", ""},
		{"OnlySpecialCharacters", "@#$%^&*", ""},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := LabelName(tt.input)
			if result != tt.expected {
				t.Errorf("LabelName(%q) = %q, want %q", tt.input, result, tt.expected)
			}
		})
	}
}

func TestLabelNameEdgeCases(t *testing.T) {
	tests := []struct {
		name     string
		input    string
		expected string
	}{
		{"SingleCharacter", "A", "a"},
		{"TwoCharacters", "Ab", "ab"},
		{"StartEndHyphens", "-abc-", "abc"},
		{"LongString",
			"ThisIsOneVeryLongStringThatExceedsTheSixtyThreeCharacterLimitForRFC1123LabelNames",
			"this-is-one-very-long-string-that-exceeds-the-sixty-three-character-limit-for-rfc1123-label-names"},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := LabelName(tt.input)
			if result != tt.expected {
				t.Errorf("LabelName(%q) = %q, want %q", tt.input, result, tt.expected)
			}
		})
	}
}

//cspell:enable