Make tests more reproducible

Also contains a fix for source-id - currently a source id requires a
container page as parent. This was previously 'working' by creating
a parent page called "./" which is obviously not great. This change
requires that the source id have a non-empty parent, which we may want
to change at some point.

src/loader/odoc_loader.ml

@@ -108,7 +108,10 @@ let read_cmti ~make_root ~parent ~filename () =
       match cmt_info.cmt_interface_digest with
       | None -> raise Corrupted
       | Some digest as interface ->
-          Odoc_model.Names.set_unique_ident (Digest.to_hex digest);
+          let _ =
+            try Odoc_model.Names.set_unique_ident (Digest.to_hex digest)
+            with _ -> ()
+          in
           let name = cmt_info.cmt_modname in
           let sourcefile =
             ( cmt_info.cmt_sourcefile,
@@ -134,7 +137,9 @@ let read_cmt ~make_root ~parent ~filename () =
       let interface = cmt_info.cmt_interface_digest in
       (match cmt_info.cmt_interface_digest with
       | None -> raise Corrupted
-      | Some digest -> Odoc_model.Names.set_unique_ident (Digest.to_hex digest));
+      | Some digest -> (
+          try Odoc_model.Names.set_unique_ident (Digest.to_hex digest)
+          with _ -> ()));
       let imports = cmt_info.cmt_imports in
       match cmt_info.cmt_annots with
       | Packed (_, files) ->
@@ -205,7 +210,8 @@ let read_impl ~make_root ~filename ~source_id () =
                 | None -> raise Corrupted
                 | exception Not_found -> raise Corrupted)
           in
-          Odoc_model.Names.set_unique_ident (Digest.to_hex digest);
+          Odoc_model.Names.set_unique_ident
+            (Odoc_model.Paths.Identifier.fullname source_id |> String.concat "-");
           let root =
             match make_root ~module_name:name ~digest with
             | Ok root -> root

src/odoc/bin/main.ml

@@ -151,6 +151,10 @@ end = struct
     file |> Fs.File.basename |> Fs.File.to_string
     |> Astring.String.is_prefix ~affix:"page-"
 
+  let unique_id =
+    let doc = "For debugging use" in
+    Arg.(value & opt (some string) None & info ~doc ~docv:"ID" [ "unique-id" ])
+
   let output_file ~dst ~input =
     match dst with
     | Some file ->
@@ -175,8 +179,13 @@ end = struct
 
   let compile hidden directories resolve_fwd_refs dst output_dir package_opt
       parent_name_opt parent_id_opt open_modules children input warnings_options
-      =
+      unique_id =
     let open Or_error in
+    let _ =
+      match unique_id with
+      | Some id -> Odoc_model.Names.set_unique_ident id
+      | None -> ()
+    in
     let resolver =
       Resolver.create ~important_digests:(not resolve_fwd_refs) ~directories
         ~open_modules
@@ -262,7 +271,7 @@ end = struct
       const handle_error
       $ (const compile $ hidden $ odoc_file_directories $ resolve_fwd_refs $ dst
        $ output_dir $ package_opt $ parent_opt $ parent_id_opt $ open_modules
-       $ children $ input $ warnings_options))
+       $ children $ input $ warnings_options $ unique_id))
 
   let info ~docs =
     let man =

src/odoc/source.ml

@@ -21,17 +21,21 @@ let root_of_implementation ~source_id ~module_name ~digest =
 
 let compile ~resolver ~output ~warnings_options ~source_id input =
   let parent_id, name = Fpath.(split_base (v source_id)) in
-  let parent = Compile.mk_id Fpath.(to_string (rem_empty_seg parent_id)) in
-  let source_id =
-    Paths.Identifier.Mk.source_page (parent, [ Fpath.to_string name ])
-  in
-  let make_root = root_of_implementation ~source_id in
-  let result =
-    Error.catch_errors_and_warnings (fun () ->
-        resolve_and_substitute ~resolver ~make_root ~source_id input)
-  in
-  (* Extract warnings to write them into the output file *)
-  let _, warnings = Error.unpack_warnings result in
-  Error.handle_errors_and_warnings ~warnings_options result >>= fun impl ->
-  Odoc_file.save_impl output ~warnings impl;
-  Ok ()
+  if parent_id = Fpath.v "./" then
+    Error (`Msg "Source id cannot be in the root directory")
+  else
+    let parent = Compile.mk_id Fpath.(to_string (rem_empty_seg parent_id)) in
+
+    let source_id =
+      Paths.Identifier.Mk.source_page (parent, [ Fpath.to_string name ])
+    in
+    let make_root = root_of_implementation ~source_id in
+    let result =
+      Error.catch_errors_and_warnings (fun () ->
+          resolve_and_substitute ~resolver ~make_root ~source_id input)
+    in
+    (* Extract warnings to write them into the output file *)
+    let _, warnings = Error.unpack_warnings result in
+    Error.handle_errors_and_warnings ~warnings_options result >>= fun impl ->
+    Odoc_file.save_impl output ~warnings impl;
+    Ok ()

test/integration/json_expansion_with_sources.t/run.t

@@ -2,9 +2,9 @@ Test the JSON output in the presence of expanded modules.
 
   $ ocamlc -c -bin-annot -o main__A.cmo a.ml -I .
   $ ocamlc -c -bin-annot main.ml -I .
-  $ odoc compile-impl --source-id a.ml -I . main__A.cmt --output-dir .
+  $ odoc compile-impl --source-id src/a.ml -I . main__A.cmt --output-dir .
   $ odoc compile -I . main__A.cmt
-  $ odoc compile-impl --source-id main.ml -I . main.cmt --output-dir .
+  $ odoc compile-impl --source-id src/main.ml -I . main.cmt --output-dir .
   $ odoc compile -I . main.cmt
   $ odoc link -I . impl-main__A.odoc
   $ odoc link -I . impl-main.odoc
@@ -24,27 +24,27 @@ Test the JSON output in the presence of expanded modules.
   html/Main/A/index.html.json
   html/Main/A/B/index.html.json
   $ odoc html-targets --source a.ml -o html impl-main__A.odocl
-  html/a.ml.html
+  html/src/a.ml.html
   $ odoc html-targets --source main.ml -o html impl-main.odocl
-  html/main.ml.html
+  html/src/main.ml.html
   $ odoc html-targets --source a.ml --as-json -o html impl-main__A.odocl
-  html/a.ml.html.json
+  html/src/a.ml.html.json
   $ odoc html-targets --source main.ml --as-json -o html impl-main.odocl
-  html/main.ml.html.json
+  html/src/main.ml.html.json
 
   $ odoc html-generate --source a.ml --as-json -o html impl-main__A.odocl
   $ odoc html-generate --as-json -o html main__A.odocl
   $ odoc html-generate --source main.ml --as-json -o html impl-main.odocl
   $ odoc html-generate --as-json -o html main.odocl
 
   $ cat html/Main/index.html.json
-  {"type":"documentation","uses_katex":false,"breadcrumbs":[{"name":"Main","href":"#","kind":"module"}],"toc":[],"source_anchor":".././main.ml.html","preamble":"","content":"<div class=\"odoc-spec\"><div class=\"spec module anchored\" id=\"module-A\"><a href=\"#module-A\" class=\"anchor\"></a><a href=\".././a.ml.html\" class=\"source_link\">Source</a><code><span><span class=\"keyword\">module</span> <a href=\"A/index.html\">A</a></span><span> : <span class=\"keyword\">sig</span> ... <span class=\"keyword\">end</span></span></code></div></div>"}
+  {"type":"documentation","uses_katex":false,"breadcrumbs":[{"name":"Main","href":"#","kind":"module"}],"toc":[],"source_anchor":"../src/main.ml.html","preamble":"","content":"<div class=\"odoc-spec\"><div class=\"spec module anchored\" id=\"module-A\"><a href=\"#module-A\" class=\"anchor\"></a><a href=\"../src/a.ml.html\" class=\"source_link\">Source</a><code><span><span class=\"keyword\">module</span> <a href=\"A/index.html\">A</a></span><span> : <span class=\"keyword\">sig</span> ... <span class=\"keyword\">end</span></span></code></div></div>"}
 
   $ cat html/Main/A/index.html.json
-  {"type":"documentation","uses_katex":false,"breadcrumbs":[{"name":"Main","href":"../index.html","kind":"module"},{"name":"A","href":"#","kind":"module"}],"toc":[],"source_anchor":"../.././a.ml.html","preamble":"","content":"<div class=\"odoc-spec\"><div class=\"spec module anchored\" id=\"module-B\"><a href=\"#module-B\" class=\"anchor\"></a><a href=\"../.././a.ml.html#module-B\" class=\"source_link\">Source</a><code><span><span class=\"keyword\">module</span> <a href=\"B/index.html\">B</a></span><span> : <span class=\"keyword\">sig</span> ... <span class=\"keyword\">end</span></span></code></div></div>"}
+  {"type":"documentation","uses_katex":false,"breadcrumbs":[{"name":"Main","href":"../index.html","kind":"module"},{"name":"A","href":"#","kind":"module"}],"toc":[],"source_anchor":"../../src/a.ml.html","preamble":"","content":"<div class=\"odoc-spec\"><div class=\"spec module anchored\" id=\"module-B\"><a href=\"#module-B\" class=\"anchor\"></a><a href=\"../../src/a.ml.html#module-B\" class=\"source_link\">Source</a><code><span><span class=\"keyword\">module</span> <a href=\"B/index.html\">B</a></span><span> : <span class=\"keyword\">sig</span> ... <span class=\"keyword\">end</span></span></code></div></div>"}
 
   $ cat html/Main/A/B/index.html.json
-  {"type":"documentation","uses_katex":false,"breadcrumbs":[{"name":"Main","href":"../../index.html","kind":"module"},{"name":"A","href":"../index.html","kind":"module"},{"name":"B","href":"#","kind":"module"}],"toc":[],"source_anchor":"../../.././a.ml.html#module-B","preamble":"","content":""}
+  {"type":"documentation","uses_katex":false,"breadcrumbs":[{"name":"Main","href":"../../index.html","kind":"module"},{"name":"A","href":"../index.html","kind":"module"},{"name":"B","href":"#","kind":"module"}],"toc":[],"source_anchor":"../../../src/a.ml.html#module-B","preamble":"","content":""}
 
-  $ cat html/a.ml.html.json
-  {"type":"source","breadcrumbs":[{"name":".","href":"index.html","kind":"page"},{"name":"a.ml","href":"#","kind":"source"}],"content":"<pre class=\"source_container\"><code class=\"source_line_column\"><a id=\"L1\" class=\"source_line\" href=\"#L1\">1</a>\u000A</code><code class=\"source_code\"><span><span id=\"module-B\"><span class=\"MODULE\">module</span> <span class=\"UIDENT\">B</span> <span class=\"EQUAL\">=</span> <span class=\"STRUCT\">struct</span> <span class=\"END\">end</span></span><span class=\"EOL\">\u000A</span></span></code></pre>"}
+  $ cat html/src/a.ml.html.json
+  {"type":"source","breadcrumbs":[{"name":"src","href":"index.html","kind":"page"},{"name":"a.ml","href":"#","kind":"source"}],"content":"<pre class=\"source_container\"><code class=\"source_line_column\"><a id=\"L1\" class=\"source_line\" href=\"#L1\">1</a>\u000A</code><code class=\"source_code\"><span><span id=\"module-B\"><span class=\"MODULE\">module</span> <span class=\"UIDENT\">B</span> <span class=\"EQUAL\">=</span> <span class=\"STRUCT\">struct</span> <span class=\"END\">end</span></span><span class=\"EOL\">\u000A</span></span></code></pre>"}

test/occurrences/double_wrapped.t/run.t

@@ -12,11 +12,11 @@ The module B depends on both B and C, the module C only depends on A.
 
 Collecting occurrences is done on implementation files. 
 
-  $ odoc compile-impl --source-id a.ml -I . main__A.cmt --output-dir .
-  $ odoc compile-impl --source-id c.ml -I . main__C.cmt --output-dir .
-  $ odoc compile-impl --source-id b.ml -I . main__B.cmt --output-dir .
-  $ odoc compile-impl --source-id main__.ml -I . main__.cmt --output-dir .
-  $ odoc compile-impl --source-id main.ml -I . main.cmt --output-dir .
+  $ odoc compile-impl --source-id src/a.ml -I . main__A.cmt --output-dir .
+  $ odoc compile-impl --source-id src/c.ml -I . main__C.cmt --output-dir .
+  $ odoc compile-impl --source-id src/b.ml -I . main__B.cmt --output-dir .
+  $ odoc compile-impl --source-id src/main__.ml -I . main__.cmt --output-dir .
+  $ odoc compile-impl --source-id src/main.ml -I . main.cmt --output-dir .
 
 We need the interface version to resolve the occurrences
 

test/sources/double_wrapped.t/run.t

@@ -5,11 +5,11 @@ Similar to the lookup_def_wrapped test.
   $ ocamlc -c -o main__.cmo main__.ml -bin-annot -I .
   $ ocamlc -c -open Main__ main.ml -bin-annot -I .
 
-  $ odoc compile-impl --source-id a.ml -I . main__A.cmt --output-dir .
+  $ odoc compile-impl --source-id src/a.ml -I . main__A.cmt --output-dir .
   $ odoc compile -I . main__A.cmt
-  $ odoc compile-impl --source-id main__.ml -I . main__.cmt --output-dir .
+  $ odoc compile-impl --source-id src/main__.ml -I . main__.cmt --output-dir .
   $ odoc compile -I . main__.cmt
-  $ odoc compile-impl --source-id main.ml -I . main.cmt --output-dir .
+  $ odoc compile-impl --source-id src/main.ml -I . main.cmt --output-dir .
   $ odoc compile -I . main.cmt
 
   $ odoc link -I . main.odoc
@@ -31,8 +31,9 @@ Look if all the source files are generated:
   html/Main/A
   html/Main/A/index.html
   html/Main/index.html
-  html/a.ml.html
-  html/main.ml.html
+  html/src
+  html/src/a.ml.html
+  html/src/main.ml.html
 
   $ cat html/Main/A/index.html
   <!DOCTYPE html>
@@ -50,14 +51,14 @@ Look if all the source files are generated:
     </nav>
     <header class="odoc-preamble">
      <h1>Module <code><span>Main.A</span></code>
-      <a href="../.././a.ml.html" class="source_link">Source</a>
+      <a href="../../src/a.ml.html" class="source_link">Source</a>
      </h1>
     </header>
     <div class="odoc-content">
      <div class="odoc-spec">
       <div class="spec value anchored" id="val-x">
        <a href="#val-x" class="anchor"></a>
-       <a href="../.././a.ml.html#val-x" class="source_link">Source</a>
+       <a href="../../src/a.ml.html#val-x" class="source_link">Source</a>
        <code><span><span class="keyword">val</span> x : int</span></code>
       </div>
      </div>

test/sources/functor.t/run.t

@@ -3,11 +3,11 @@ Verify the behavior on functors.
   $ ocamlc -c -o s.cmo s.ml -bin-annot -I .
   $ ocamlc -c -o a.cmo a.ml -bin-annot -I .
   $ ocamlc -c -o b.cmo b.ml -bin-annot -I .
-  $ odoc compile-impl --source-id s.ml -I . s.cmt --output-dir .
+  $ odoc compile-impl --source-id src/s.ml -I . s.cmt --output-dir .
   $ odoc compile -I . s.cmt
-  $ odoc compile-impl --source-id a.ml -I . a.cmt --output-dir .
+  $ odoc compile-impl --source-id src/a.ml -I . a.cmt --output-dir .
   $ odoc compile -I . a.cmt
-  $ odoc compile-impl --source-id b.ml -I . b.cmt --output-dir .
+  $ odoc compile-impl --source-id src/b.ml -I . b.cmt --output-dir .
   $ odoc compile -I . b.cmt
   $ odoc link -I . s.odoc
   $ odoc link -I . a.odoc
@@ -40,23 +40,24 @@ Verify the behavior on functors.
   html/S/index.html
   html/S/module-type-S
   html/S/module-type-S/index.html
-  html/a.ml.html
-  html/b.ml.html
-  html/s.ml.html
+  html/src
+  html/src/a.ml.html
+  html/src/b.ml.html
+  html/src/s.ml.html
 
 In this test, the functor expansion contains the right link.
 
   $ cat html/A/F/index.html | grep source_link -C 1
      <h1>Module <code><span>A.F</span></code>
-      <a href="../.././a.ml.html#module-F" class="source_link">Source</a>
+      <a href="../../src/a.ml.html#module-F" class="source_link">Source</a>
      </h1>
   --
        <a href="#type-t" class="anchor"></a>
-       <a href="../.././a.ml.html#module-F.type-t" class="source_link">Source
+       <a href="../../src/a.ml.html#module-F.type-t" class="source_link">Source
        </a>
   --
        <a href="#val-y" class="anchor"></a>
-       <a href="../.././a.ml.html#module-F.val-y" class="source_link">Source
+       <a href="../../src/a.ml.html#module-F.val-y" class="source_link">Source
        </a>
 
   $ cat html/root/source/a.ml.html | grep L3
@@ -68,19 +69,19 @@ However, on functor results, there is a link to source in the file:
   $ cat html/B/R/index.html | grep source_link -C 2
     <header class="odoc-preamble">
      <h1>Module <code><span>B.R</span></code>
-      <a href="../.././b.ml.html#module-R" class="source_link">Source</a>
+      <a href="../../src/b.ml.html#module-R" class="source_link">Source</a>
      </h1>
     </header>
   --
       <div class="spec type anchored" id="type-t">
        <a href="#type-t" class="anchor"></a>
-       <a href="../.././a.ml.html#module-F.type-t" class="source_link">Source
+       <a href="../../src/a.ml.html#module-F.type-t" class="source_link">Source
        </a>
        <code><span><span class="keyword">type</span> t</span>
   --
       <div class="spec value anchored" id="val-y">
        <a href="#val-y" class="anchor"></a>
-       <a href="../.././a.ml.html#module-F.val-y" class="source_link">Source
+       <a href="../../src/a.ml.html#module-F.val-y" class="source_link">Source
        </a>
        <code>
 

test/sources/include_in_expansion.t/run.t

@@ -6,11 +6,11 @@ Checking that source parents are kept, using include.
   $ ocamlc -c -o main__A.cmo a.ml -bin-annot -I .
   $ ocamlc -c main.ml -bin-annot -I .
 
-  $ odoc compile-impl --source-id b.m -I . b.cmt --output-dir .
+  $ odoc compile-impl --source-id src/b.m -I . b.cmt --output-dir .
   $ odoc compile -I . b.cmt
-  $ odoc compile-impl --source-id a.ml -I . main__A.cmt --output-dir .
+  $ odoc compile-impl --source-id src/a.ml -I . main__A.cmt --output-dir .
   $ odoc compile -I . main__A.cmt
-  $ odoc compile-impl --source-id main.ml -I . main.cmt --output-dir .
+  $ odoc compile-impl --source-id src/main.ml -I . main.cmt --output-dir .
   $ odoc compile -I . main.cmt
 
   $ odoc link -I . main.odoc
@@ -28,13 +28,13 @@ source parent of value y should be left to B.
 
   $ grep source_link html/Main/A/index.html -C 1
      <h1>Module <code><span>Main.A</span></code>
-      <a href="../.././a.ml.html" class="source_link">Source</a>
+      <a href="../../src/a.ml.html" class="source_link">Source</a>
      </h1>
   --
          <a href="#val-y" class="anchor"></a>
-         <a href="../.././b.m.html#val-y" class="source_link">Source</a>
+         <a href="../../src/b.m.html#val-y" class="source_link">Source</a>
          <code><span><span class="keyword">val</span> y : int</span></code>
   --
        <a href="#val-x" class="anchor"></a>
-       <a href="../.././a.ml.html#val-x" class="source_link">Source</a>
+       <a href="../../src/a.ml.html#val-x" class="source_link">Source</a>
        <code><span><span class="keyword">val</span> x : int</span></code>