package main

import (
	"testing"
)

func Test_ExtractLink(t *testing.T) {
	tcs := []struct {
		name     string
		in       string
		expected Link
	}{
		{"link", `[[Regular Link]]`, Link{Dest: "Regular Link"}},
		{"transclude+link", `![[Transcluded Link]]`, Link{Dest: "Transcluded Link"}},
		{"link+alias", `[[Regular Link|Alias]]`, Link{Dest: "Regular Link", Alias: "Alias"}},
		{"link+subsection", `[[Regular Link#Subsection of page]]`, Link{Dest: "Regular Link", Subsection: "Subsection of page"}},
		{"link+block", `[[Regular Link#^link to block]]`, Link{Dest: "Regular Link", Block: "link to block"}},
		{"link+subsection+alias", `[[Regular Link#Subsection of page|Alias]]`, Link{Dest: "Regular Link", Subsection: "Subsection of page", Alias: "Alias"}},
		{"link+block+alias", `[[Regular Link#^link to block|Alias]]`, Link{Dest: "Regular Link", Block: "link to block", Alias: "Alias"}},
		{"link+alias+escape", `[[Regular Link\|Alias]]`, Link{Dest: "Regular Link", Alias: "Alias"}},
		{"link+subsection+alias+escape", `[[Regular Link#Subsection of page\|Alias]]`, Link{Dest: "Regular Link", Subsection: "Subsection of page", Alias: "Alias"}},
		{"link+block+alias+escape", `[[Regular Link#^link to block\|Alias]]`, Link{Dest: "Regular Link", Block: "link to block", Alias: "Alias"}},
	}

	for _, tc := range tcs {
		t.Run(tc.name, func(t *testing.T) {
			out := ExtractLink(tc.in)
			if out != tc.expected {
				t.Logf("got %#v\n", out)
				t.Fail()
			}
		})
	}
}