golink_test.go

// Copyright 2022 Tailscale Inc & Contributors
// SPDX-License-Identifier: BSD-3-Clause

package golink

import (
	"testing"
	"time"
)

func TestExpandLink(t *testing.T) {
	tests := []struct {
		name      string
		long      string
		now       time.Time
		remainder string
		want      string
	}{
		{
			name: "dont-mangle-escapes",
			long: "http://host.com/foo%2f/bar",
			want: "http://host.com/foo%2f/bar",
		},
		{
			name:      "dont-mangle-escapes-and-remainder",
			long:      "http://host.com/foo%2f/bar",
			remainder: "extra",
			want:      "http://host.com/foo%2f/bar/extra",
		},
		{
			name:      "remainder-insert-slash",
			long:      "http://host.com/foo",
			remainder: "extra",
			want:      "http://host.com/foo/extra",
		},
		{
			name:      "remainder-long-as-trailing-slash",
			long:      "http://host.com/foo/",
			remainder: "extra",
			want:      "http://host.com/foo/extra",
		},
		{
			name: "var-expansions-time",
			long: `https://roamresearch.com/#/app/ts-corp/page/{{.Now.Format "01-02-2006"}}`,
			want: "https://roamresearch.com/#/app/ts-corp/page/06-02-2022",
			now:  time.Date(2022, 06, 02, 1, 2, 3, 4, time.UTC),
		},
		{
			name: "template-no-path",
			long: "https://calendar.google.com/{{with .Path}}calendar/embed?mode=week&src={{.}}@tailscale.com{{end}}",
			want: "https://calendar.google.com/",
		},
		{
			name:      "template-with-path",
			long:      "https://calendar.google.com/{{with .Path}}calendar/embed?mode=week&src={{.}}@tailscale.com{{end}}",
			remainder: "amelie",
			want:      "https://calendar.google.com/calendar/embed?mode=week&src=amelie@tailscale.com",
		},
		{
			name:      "template-with-pathescape-func",
			long:      "http://host.com/{{QueryEscape .Path}}",
			remainder: "a/b",
			want:      "http://host.com/a%2Fb",
		},
		{
			name:      "template-with-queryescape-func",
			long:      "http://host.com/{{QueryEscape .Path}}",
			remainder: "a+b",
			want:      "http://host.com/a%2Bb",
		},
		{
			name:      "template-with-trimsuffix-func",
			long:      `http://host.com/{{TrimSuffix .Path "/"}}`,
			remainder: "a/",
			want:      "http://host.com/a",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := expandLink(tt.long, expandEnv{Now: tt.now, Path: tt.remainder})
			if err != nil {
				t.Fatalf("expandLink(%q): %v", tt.long, err)
			}
			if got != tt.want {
				t.Errorf("expandLink(%q) = %q; want %q", tt.long, got, tt.want)
			}
		})
	}
}

func TestResolveLink(t *testing.T) {
	var err error
	db, err = NewSQLiteDB(":memory:")
	if err != nil {
		t.Fatal(err)
	}
	db.Save(&Link{Short: "meet", Long: "https://meet.google.com/lookup/"})
	db.Save(&Link{Short: "cs", Long: "http://codesearch/{{with .Path}}search?q={{.}}{{end}}"})

	tests := []struct {
		link string
		want string
	}{
		{
			link: "meet",
			want: "https://meet.google.com/lookup/",
		},
		{
			link: "meet/foo",
			want: "https://meet.google.com/lookup/foo",
		},
		{
			link: "go/meet/foo",
			want: "https://meet.google.com/lookup/foo",
		},
		{
			link: "http://go/meet/foo",
			want: "https://meet.google.com/lookup/foo",
		},
		{
			// if absolute URL provided, host doesn't actually matter
			link: "http://mygo/meet/foo",
			want: "https://meet.google.com/lookup/foo",
		},
		{
			link: "cs",
			want: "http://codesearch/",
		},
		{
			link: "cs/term",
			want: "http://codesearch/search?q=term",
		},
	}
	for _, tt := range tests {
		name := "golink " + tt.link
		t.Run(name, func(t *testing.T) {
			got, err := resolveLink(tt.link)
			if err != nil {
				t.Error(err)
			}
			if got != tt.want {
				t.Errorf("ResolveLink(%q) = %q; want %q", tt.link, got, tt.want)
			}
		})
	}
}