Improve coverage

Author: josevalim

lib/ex_doc/formatter/html.ex

@@ -371,7 +371,7 @@ defmodule ExDoc.Formatter.HTML do
     group = GroupMatcher.match_extra(groups, input)
     title = title || title_text || filename_to_title(input)
 
-    source_path = Path.relative_to(input, ".")
+    source_path = input |> Path.relative_to(File.cwd!()) |> String.replace_leading("./", "")
 
     source_url =
       if url = config.source_url_pattern do

test/ex_doc/formatter/html_test.exs

@@ -37,6 +37,7 @@ defmodule ExDoc.Formatter.HTMLTest do
       assets: "test/tmp/html_assets",
       output: output_dir(),
       source_beam: beam_dir(),
+      source_url: "https://github.com/elixir-lang/elixir",
       logo: "test/fixtures/elixir.png",
       extras: [
         "test/fixtures/LICENSE",
@@ -349,6 +350,9 @@ defmodule ExDoc.Formatter.HTMLTest do
 
       assert content =~ "<p><strong>raw content</strong></p>"
 
+      assert content =~
+               ~s{<a href="https://github.com/elixir-lang/elixir/blob/master/test/fixtures/README.md#L1" title="View Source"}
+
       content = File.read!("#{output_dir()}/plaintextfiles.html")
 
       assert content =~
@@ -359,21 +363,39 @@ defmodule ExDoc.Formatter.HTMLTest do
       assert plain_text_file =~
                ~R{<pre>\nThis is plain\n  text and nothing\n.+\s+good bye\n</pre>}s
 
-      assert plain_text_file =~ ~R{\n## Neither formatted\n}
-      assert plain_text_file =~ ~R{\n      `t:term/0`\n}
+      assert plain_text_file =~ ~s{\n## Neither formatted\n}
+      assert plain_text_file =~ ~s{\n      `t:term/0`\n}
 
-      plain_text_file = File.read!("#{output_dir()}/license.html")
+      license = File.read!("#{output_dir()}/license.html")
 
-      assert plain_text_file =~
+      assert license =~
                ~s{<pre>\nLicensed under the Apache License, Version 2.0 (the &quot;License&quot;)}
 
       content = File.read!("#{output_dir()}/livebookfile.html")
 
       assert content =~
-               ~R{<p>Read <code class="inline">.livemd</code> files generated by <a href="https://github.com/livebook-dev/livebook">livebook</a>.}
+               ~s{<a href="https://github.com/elixir-lang/elixir/blob/master/test/fixtures/LivebookFile.livemd#L1" title="View Source"}
 
       assert content =~
-               ~R{<img src="https://livebook.dev/badge/v1/blue.svg" alt="Run in Livebook" width="150" />}
+               ~s{<p>Read <code class="inline">.livemd</code> files generated by <a href="https://github.com/livebook-dev/livebook">livebook</a>.}
+
+      assert content =~
+               ~s{<img src="https://livebook.dev/badge/v1/blue.svg" alt="Run in Livebook" width="150" />}
+    end
+
+    test "with absolute and dot-relative paths for extra" do
+      config = doc_config(extras: ["./test/fixtures/README.md", Path.expand("test/fixtures/LivebookFile.livemd")])
+      generate_docs(config)
+
+      content = File.read!("#{output_dir()}/readme.html")
+
+      assert content =~
+               ~s{<a href="https://github.com/elixir-lang/elixir/blob/master/test/fixtures/README.md#L1" title="View Source"}
+
+      content = File.read!("#{output_dir()}/livebookfile.html")
+
+      assert content =~
+               ~s{<a href="https://github.com/elixir-lang/elixir/blob/master/test/fixtures/LivebookFile.livemd#L1" title="View Source"}
     end
 
     test "without any other content" do