1 files changed, 90 insertions, 0 deletions
diff --git a/inttest/vsn_cache/vsn_cache_rt.erl b/inttest/vsn_cache/vsn_cache_rt.erl
new file mode 100644
index 0000000..b482888
--- /dev/null
+++ b/inttest/vsn_cache/vsn_cache_rt.erl
@@ -0,0 +1,90 @@
+%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
+%% ex: ts=4 sw=4 et
+-module(vsn_cache_rt).
+
+-compile(export_all).
+
+setup([Target]) ->
+    retest_utils:load_module(filename:join(Target, "inttest_utils.erl")),
+    ok.
+
+files() ->
+    [
+    %% Cache save check
+    {create, "save/src/save.app.src", app(save, [main])},
+    {create, "save/vsn_cache_file", ""},
+    {copy, "main.erl", "save/src/main.erl"},
+
+    %% Cache load check
+    {create, "load/src/load.app.src", app(load, [main])},
+    {copy, "main.erl", "load/src/main.erl"}
+    ] ++ inttest_utils:rebar_setup().
+
+apply_cmds([], _Params) ->
+    ok;
+apply_cmds([Cmd | Rest], Params) ->
+    io:format("Running: ~s (~p)\n", [Cmd, Params]),
+    {ok, _} = retest_sh:run(Cmd, Params),
+    apply_cmds(Rest, Params).
+
+run_save(Dir) ->
+    GitCmds = ["git init",
+               "git add -A",
+               "git config user.email 'vsn_cache@example.com'",
+               "git config user.name 'vsn_cache'",
+               "git commit -a -m \"Initial Commit\""],
+    AppDir = filename:join(Dir, "save"),
+    EbinDir = filename:join(AppDir, "ebin"),
+    AppFile = filename:join(EbinDir, "save.app"),
+    VsnCacheFile = filename:join(AppDir, "vsn_cache_file"),
+    Env = [{"REBAR_VSN_CACHE_FILE", VsnCacheFile}],
+
+    %% Initialize test git repository 
+    ok = apply_cmds(GitCmds, [{dir, AppDir}]),
+    %% Compile test project with vsn cache enabled
+    {ok, _} = retest_sh:run("../rebar -v compile", [{env, Env}, {dir, AppDir}]),
+    %% Vsn cache file has an entry
+    {ok, [{{git, AppDir}, Hash}]} = file:consult(VsnCacheFile),
+    %% This vsn entry must coincide with entry from ebin/save.app
+    {ok, [{application, save, PropList}]} = file:consult(AppFile),
+    Hash = proplists:get_value(vsn, PropList),
+    ok.
+
+run_load(Dir) ->
+    AppDir = filename:join(Dir, "load"),
+    EbinDir = filename:join(AppDir, "ebin"),
+    AppFile = filename:join(EbinDir, "load.app"),
+    VsnCacheFile = filename:join(AppDir, "vsn_cache_file"),
+    Hash = "deadbeef",
+    CacheEntries = [{{git, AppDir}, Hash}],
+    Env = [{"REBAR_VSN_CACHE_FILE", VsnCacheFile}],
+
+    %% Initialize dummy vsn cache file
+    vsn_cache_file(VsnCacheFile, CacheEntries),
+    %% Compile test project with vsn cache enabled
+    {ok, _} = retest_sh:run("../rebar -v compile", [{env, Env}, {dir, AppDir}]),
+    %% This vsn entry in cache file must coincide with entry in ebin/load.app
+    {ok, [{application, load, PropList}]} = file:consult(AppFile),
+    Hash = proplists:get_value(vsn, PropList),
+    ok.
+
+run(Dir) ->
+    run_save(Dir),
+    run_load(Dir),
+    ok.
+
+%%
+%% Generate the contents of a simple .app file
+%%
+app(Name, Modules) ->
+    App = {application, Name,
+           [{description, atom_to_list(Name)},
+            {vsn, git},
+            {modules, Modules},
+            {registered, []},
+            {applications, [kernel, stdlib]}]},
+    io_lib:format("~p.\n", [App]).
+
+vsn_cache_file(Name, Entries) ->
+    file:write_file(Name,
+        [io_lib:format("~p.~n", [X]) || X <- Entries]).