From 6672860b1990f6b7fe478b60223a64c6f606d8cc Mon Sep 17 00:00:00 2001
From: Jordan Bracco <href@random.sh>
Date: Sun, 14 Jun 2020 18:39:46 +0200
Subject: [PATCH] Build custom database in test

---
 Makefile                          | 12 ++----------
 test/gen_magic/gen_magic_test.exs |  5 +++--
 2 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/Makefile b/Makefile
index cb2e93d..cbd6fec 100644
--- a/Makefile
+++ b/Makefile
@@ -6,24 +6,16 @@ CFLAGS = -std=c99 -g -Wall -Werror
 CPPFLAGS = -I$(ERL_EI_INCLUDE)
 LDFLAGS = -L$(ERL_EI_LIB)
 LDLIBS = -lpthread -lei -lm -lmagic
-BEAM_FILES = _build/
 PRIV = priv/
 RM = rm -Rf
 
-# Unit test custom magic file
-
-MAGIC = file
-
-all: priv/apprentice test/elixir.mgc
-
-test/%.mgc: test/%
-	cd test; file -C -m ../$^
+all: priv/apprentice
 
 priv/apprentice: src/apprentice.c
 	mkdir -p priv
 	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
 
 clean:
-	$(RM) $(PRIV) $(BEAM_FILES) test/*.mgc
+	$(RM) $(PRIV)
 
 .PHONY: clean
diff --git a/test/gen_magic/gen_magic_test.exs b/test/gen_magic/gen_magic_test.exs
index 1b9a329..9699177 100644
--- a/test/gen_magic/gen_magic_test.exs
+++ b/test/gen_magic/gen_magic_test.exs
@@ -42,8 +42,9 @@ defmodule GenMagicTest do
   end
 
   test "Custom database file recognises Elixir files" do
-    database = absolute_path("test/elixir.mgc")
-    IO.puts("Database: #{inspect(database)} #{inspect(File.exists?(database))}")
+    database = absolute_path("elixir.mgc")
+    on_exit(fn() -> File.rm(database) end)
+    {_, 0} = System.cmd("file", ["-C", "-m", absolute_path("test/elixir")])
     {:ok, pid} = GenMagic.Server.start_link(database_patterns: [database])
     path = absolute_path("mix.exs")
     assert {:ok, %Result{} = result} = GenMagic.Server.perform(pid, path)