diff --git a/posts_test.go b/posts_test.go
index 612c178..7b13065 100644
--- a/posts_test.go
+++ b/posts_test.go
@@ -1,45 +1,93 @@
 /*
  * Copyright © 2020-2021 Musing Studio LLC.
  *
  * This file is part of WriteFreely.
  *
  * WriteFreely is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License, included
  * in the LICENSE file in this source code package.
  */
 
-package writefreely_test
+package writefreely
 
 import (
 	"testing"
 
 	"github.com/guregu/null/zero"
 	"github.com/stretchr/testify/assert"
-	"github.com/writefreely/writefreely"
 )
 
 func TestPostSummary(t *testing.T) {
 	testCases := map[string]struct {
-		given    writefreely.Post
+		given    Post
 		expected string
 	}{
 		"no special chars":          {givenPost("Content."), "Content."},
 		"HTML content":              {givenPost("Content <p>with a</p> paragraph."), "Content with a paragraph."},
 		"content with escaped char": {givenPost("Content&#39;s all OK."), "Content's all OK."},
 		"multiline content": {givenPost(`Content
 in
 multiple
 lines.`), "Content in multiple lines."},
 	}
 
 	for name, test := range testCases {
 		t.Run(name, func(t *testing.T) {
 			actual := test.given.Summary()
 			assert.Equal(t, test.expected, actual)
 		})
 	}
 }
 
-func givenPost(content string) writefreely.Post {
-	return writefreely.Post{Title: zero.StringFrom("Title"), Content: content}
+func givenPost(content string) Post {
+	return Post{Title: zero.StringFrom("Title"), Content: content}
+}
+
+func TestExtractImageAltText(t *testing.T) {
+	testCases := map[string]struct {
+		content  string
+		expected map[string]string
+	}{
+		"basic image": {
+			"![a cat](https://example.com/cat.png)",
+			map[string]string{"https://example.com/cat.png": "a cat"},
+		},
+		"image with title": {
+			`![a cat](https://example.com/cat.png "Kitty")`,
+			map[string]string{"https://example.com/cat.png": "a cat"},
+		},
+		"empty alt text is omitted": {
+			"![](https://example.com/cat.png)",
+			map[string]string{},
+		},
+		"whitespace-only alt text is omitted": {
+			"![   ](https://example.com/cat.png)",
+			map[string]string{},
+		},
+		"alt text is trimmed": {
+			"![  a cat  ](https://example.com/cat.png)",
+			map[string]string{"https://example.com/cat.png": "a cat"},
+		},
+		"multiple images": {
+			"![cat](https://example.com/cat.png) and ![dog](https://example.com/dog.jpg)",
+			map[string]string{
+				"https://example.com/cat.png": "cat",
+				"https://example.com/dog.jpg": "dog",
+			},
+		},
+		"bare url has no alt text": {
+			"See https://example.com/cat.png",
+			map[string]string{},
+		},
+		"non-image markdown link ignored": {
+			"[a link](https://example.com/page)",
+			map[string]string{},
+		},
+	}
+
+	for name, test := range testCases {
+		t.Run(name, func(t *testing.T) {
+			assert.Equal(t, test.expected, extractImageAltText(test.content))
+		})
+	}
 }