etcd: util: Move etcd utils into separate package

etcd/util/util_test.go

@@ -0,0 +1,189 @@
+// Mgmt
+// Copyright (C) 2013-2023+ James Shubin and the project contributors
+// Written by James Shubin <james@shubin.ca> and the project contributors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+//go:build !root
+
+package util
+
+import (
+	"net/url"
+	"testing"
+)
+
+func TestCopyURL0(t *testing.T) {
+	// list of urls to test
+	strs := []string{
+		"",
+		"http://192.168.13.42:2379",
+		"https://192.168.13.42:2380",
+		"http://192.168.13.42",
+		"https://192.168.13.42",
+	}
+	for _, str := range strs {
+		t.Logf("testing: `%s`", str)
+		u1, err := url.Parse(str)
+		if err != nil {
+			t.Errorf("url did not parse: %+v", err)
+			continue
+		}
+
+		u2, err := copyURL(u1)
+		if err != nil {
+			t.Errorf("url did not copy: %+v", err)
+			continue
+		}
+
+		if s := u2.String(); s != str {
+			t.Errorf("url did not cmp, got: `%s`, expected: `%s`", s, str)
+		}
+
+		// bonus test (add to separate lists of size one)
+		if err := cmpURLs([]url.URL{*u1}, []url.URL{*u2}); err != nil {
+			t.Errorf("urls did not cmp, err: %+v", err)
+		}
+	}
+}
+
+func TestCopyURLs0(t *testing.T) {
+	// list of urls lists to test
+	nstrs := [][]string{
+		{}, // empty!
+		{
+			"http://192.168.13.42:2379",
+			"https://192.168.13.42:2380",
+			"http://192.168.13.42",
+			"https://192.168.13.42",
+		},
+		{
+			"http://192.168.42.42:2379",
+			"https://192.168.13.42:2380",
+			"http://192.168.99.42",
+			"https://10.10.1.255",
+		},
+		{
+			"http://example.com:2379",
+			"https://purpleidea.com/:2379",
+			"http://192.168.13.42",
+			"https://192.168.13.42",
+		},
+	}
+	for _, strs := range nstrs {
+		t.Logf("testing: `%s`", strs)
+
+		urls1 := []url.URL{}
+		for _, str := range strs {
+			u, err := url.Parse(str)
+			if err != nil {
+				t.Errorf("url did not parse: %+v", err)
+				continue
+			}
+			urls1 = append(urls1, *u)
+		}
+
+		urls2, err := CopyURLs(urls1)
+		if err != nil {
+			t.Errorf("urls did not copy: %+v", err)
+			continue
+		}
+
+		if err := cmpURLs(urls1, urls2); err != nil {
+			t.Errorf("urls did not cmp, err: %+v", err)
+		}
+	}
+}
+
+func TestCopyURLsMap0(t *testing.T) {
+	// list of urls lists to test
+	nmstrs := []map[string][]string{
+		{}, // empty!
+		{
+			"h1": []string{}, // empty
+			"h2": []string{}, // empty
+			"h3": []string{}, // empty
+		},
+		{
+			"h1": []string{}, // empty
+			"h2": nil,        // nil !
+			"h3": []string{}, // empty
+		},
+		{
+			"h1": []string{}, // empty
+			"h2": []string{
+				"http://example.com:2379",
+				"https://purpleidea.com/:2379",
+				"http://192.168.13.42",
+				"https://192.168.13.42",
+			},
+		},
+		{
+			"h1": []string{
+				"http://192.168.13.42:2379",
+				"https://192.168.13.42:2380",
+				"http://192.168.13.42",
+				"https://192.168.13.42",
+			},
+			"h2": []string{
+				"http://example.com:2379",
+				"https://purpleidea.com/:2379",
+				"http://192.168.13.42",
+				"https://192.168.13.42",
+			},
+		},
+		{
+			"h1": []string{
+				"http://192.168.13.42:2379",
+				"https://192.168.13.42:2380",
+				"http://192.168.13.42",
+				"https://192.168.13.42",
+			},
+			"h2": nil, // nil !
+			"h3": []string{
+				"http://example.com:2379",
+				"https://purpleidea.com/:2379",
+				"http://192.168.13.42",
+				"https://192.168.13.42",
+			},
+		},
+	}
+
+	for _, mstrs := range nmstrs {
+		t.Logf("testing: `%s`", mstrs)
+		urlsMap1 := newURLsMap()
+		for key, strs := range mstrs {
+			urls := []url.URL{}
+			for _, str := range strs {
+				u, err := url.Parse(str)
+				if err != nil {
+					t.Errorf("url did not parse: %+v", err)
+					continue
+				}
+				urls = append(urls, *u)
+			}
+			urlsMap1[key] = urls
+		}
+
+		urlsMap2, err := CopyURLsMap(urlsMap1)
+		if err != nil {
+			t.Errorf("urlsMap did not copy: %+v", err)
+			continue
+		}
+
+		if err := CmpURLsMap(urlsMap1, urlsMap2); err != nil {
+			t.Errorf("urlsMap did not cmp, err: %+v", err)
+		}
+	}
+}