Add tests for multi-app edoc linking working

1 files changed, 52 insertions, 0 deletions

diff --git a/test/rebar_edoc_SUITE.erl b/test/rebar_edoc_SUITE.erl
new file mode 100644
index 0000000..fded2b0
--- /dev/null
+++ b/test/rebar_edoc_SUITE.erl
@@ -0,0 +1,52 @@
+-module(rebar_edoc_SUITE).
+-include_lib("common_test/include/ct.hrl").
+-include_lib("eunit/include/eunit.hrl").
+-compile(export_all).
+
+all() -> [multiapp].
+
+init_per_testcase(multiapp, Config) ->
+    application:load(rebar),
+    DataDir = ?config(data_dir, Config),
+    PrivDir = ?config(priv_dir, Config),
+    Name = rebar_test_utils:create_random_name("multiapp"),
+    AppsDir = filename:join([PrivDir, rebar_test_utils:create_random_name(Name)]),
+    ec_file:copy(filename:join([DataDir, "foo"]), AppsDir, [recursive]),
+    Verbosity = rebar3:log_level(),
+    rebar_log:init(command_line, Verbosity),
+    State = rebar_state:new([{base_dir, filename:join([AppsDir, "_build"])}
+                            ,{root_dir, AppsDir}]),
+    [{apps, AppsDir}, {state, State}, {name, Name} | Config].
+
+end_per_testcase(_, Config) ->
+    Config.
+
+multiapp(Config) ->
+    %% With an empty config (no `dir'), links are being processed
+    RebarConfig = [],
+    rebar_test_utils:run_and_check(Config, RebarConfig, ["edoc"], {ok, []}),
+    %% validate that all doc entries are generated and links work
+    AppsDir = ?config(apps, Config),
+    ct:pal("AppsDir: ~s", [AppsDir]),
+    ?assert(file_content_matches(
+              filename:join([AppsDir, "apps", "bar1", "doc", "bar1.html"]),
+              "barer1")),
+    ?assert(file_content_matches(
+              filename:join([AppsDir, "apps", "bar2", "doc", "bar2.html"]),
+              "barer2")),
+    %% Links are in place for types
+    ?assert(file_content_matches(
+              filename:join([AppsDir, "apps", "foo", "doc", "foo.html"]),
+              "barer1")),
+    ?assert(file_content_matches(
+              filename:join([AppsDir, "apps", "foo", "doc", "foo.html"]),
+              "apps/bar1/doc/bar1.html")).
+
+
+file_content_matches(Path, Regex) ->
+    case file:read_file(Path) of
+        {ok, Bin} ->
+            nomatch =/= re:run(Bin, Regex);
+        {error, Reason} ->
+            Reason
+    end.