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+# Copyright (c) 2014, Viktor Söderqvist <[email protected]>
+# This file is part of erlang.mk and subject to the terms of the ISC License.
+
+# Tests for erlang.mk targets. If any test fails or if you run a target other
+# than 'all', you must probably do 'make clean' before you can test again.
+
+# Verbosity.
+
+V ?= 0
+
+# t = Verbosity control for tests
+# v = Verbosity control for erlang.mk
+# i = Command to display (or suppress) info messages
+ifeq ($V,0)
+ # Show info messages only
+ t = @
+ v = V=0 &>/dev/null
+ i = @echo
+else ifeq ($V,1)
+ # Show test commands
+ t =
+ v = V=0 &>/dev/null
+ i = @echo ==
+else ifeq ($V,2)
+ # Show briefly what erlang.mk is doing
+ t = @echo " TEST " $@;
+ v = V=0
+ i = @echo ==
+else
+ # Show all commands with maximum verbosity
+ t =
+ v = V=1
+ i = @echo ==
+endif
+
+.PHONY: all clean app ct eunit
+
+all: app ct eunit clean
+ $i '+---------------------+'
+ $i '| All tests passed. |'
+ $i '+---------------------+'
+
+clean:
+ $t rm -rf app1
+
+app: app1
+ $i "app: Testing the 'app' target."
+ $t make -C app1 app $v
+ $i "Checking the modules line in the generated .app file."
+ $t [ `grep -E "{modules, *\['m'\]}" app1/ebin/app1.app | wc -l` == 1 ]
+ $t [ -e app1/ebin/m.beam ]
+ $i "Checking that 'make clean-app' deletes ebin."
+ $t make -C app1 clean-app $v
+ $t [ ! -e app1/ebin ]
+ $i "Checking that 'make app' returns non-zero on compile errors."
+ $t printf "%s\n" \
+ "-module(syntax_error)." \
+ "foo lorem_ipsum dolor sit amet." \
+ > app1/src/syntax_error.erl
+ $t if make -C app1 app $v ; then false ; fi
+ $t rm app1/src/syntax_error.erl
+ $i "Test 'app' passed."
+
+ct: app1
+ $i "ct: Testing tests-ct and related targets."
+ $i "Setting up test suite."
+ $t mkdir -p app1/test
+ $t printf "%s\n" \
+ "-module(m_SUITE)." \
+ "-export([all/0, testcase1/1])." \
+ "all() -> [testcase1]." \
+ "testcase1(_) -> 2 = m:succ(1)." \
+ > app1/test/m_SUITE.erl
+ $t make -C app1 tests-ct $v
+ $i "Checking files created by 'make tests-ct'."
+ $t [ ! -e app1/test/m_SUITE.beam ]
+ $t [ -e app1/ebin/m.beam ]
+ $t [ -e app1/logs ]
+ $i "Checking that 'make clean-ct' does not delete logs."
+ $t make -C app1 clean-ct $v
+ $t [ -e app1/logs ]
+ $i "Testing target 'ct-mysuite' where mysuite_SUITE is a test suite."
+ $t make -C app1 ct-m $v
+ $i "Checking that 'make tests-ct' returns non-zero for a failing suite."
+ $t printf "%s\n" \
+ "-module(failing_SUITE)." \
+ "-export([all/0, testcase1/1])." \
+ "all() -> [testcase1]." \
+ "testcase1(_) -> 42 = m:succ(1)." \
+ > app1/test/failing_SUITE.erl
+ $t if make -C app1 ct-failing $v ; then false ; fi
+ $i "Checking that 'make ct-distclean' deletes logs."
+ $t make -C app1 distclean-ct $v
+ $t [ ! -e app1/logs ]
+ $t [ -e app1/ebin/m.beam ]
+ $i "Cleaning up test data."
+ $t rm -rf app1/test
+ $i "Test 'ct' passed."
+
+eunit: app1
+ $i "eunit: Testing the 'eunit' target."
+ $t mkdir -p eunit
+ $i "Running eunit test case inside module src/t.erl"
+ $t printf '%s\n' \
+ '-module(t).' \
+ '-export([succ/1]).' \
+ 'succ(N) -> N + 1.' \
+ '-ifdef(TEST).' \
+ '-include_lib("eunit/include/eunit.hrl").' \
+ 'succ_test() ->' \
+ ' ?assertEqual(2, succ(1)),' \
+ ' os:cmd("echo t >> test-eunit.log").' \
+ '-endif.' \
+ > app1/src/t.erl
+ $t make -C app1 eunit $v
+ $i "Checking that the eunit test in module t."
+ $t echo t | cmp app1/test-eunit.log -
+ $t rm app1/test-eunit.log
+ $i "Running eunit tests in a separate directory."
+ $t mkdir -p app1/eunit
+ $t printf '%s\n' \
+ '-module(t_tests).' \
+ '-include_lib("eunit/include/eunit.hrl").' \
+ 'succ_test() ->' \
+ ' ?assertEqual(2, t:succ(1)),' \
+ ' os:cmd("echo t_tests >> test-eunit.log").' \
+ > app1/eunit/t_tests.erl
+ $t printf '%s\n' \
+ '-module(x_tests).' \
+ '-include_lib("eunit/include/eunit.hrl").' \
+ 'succ_test() ->' \
+ ' ?assertEqual(2, t:succ(1)),' \
+ ' os:cmd("echo x_tests >> test-eunit.log").' \
+ > app1/eunit/x_tests.erl
+ $t make -C app1 eunit EUNIT_DIR=eunit $v
+ $i "Checking that 'make eunit' didn't run the tests in t_tests twice, etc."
+ $t printf "%s\n" t t_tests x_tests | cmp app1/test-eunit.log -
+ $t rm app1/test-eunit.log
+ $i "Checking that 'make eunit' returns non-zero for a failing test."
+ $t rm -f app1/eunit/*
+ $t printf "%s\n" \
+ "-module(t_tests)." \
+ '-include_lib("eunit/include/eunit.hrl").' \
+ "succ_test() ->" \
+ " ?assertEqual(42, t:succ(1))." \
+ > app1/eunit/t_tests.erl
+ $t if make -C app1 eunit EUNIT_DIR=eunit $v ; then false ; fi
+ $t rm -rf app1/eunit app1/src/t.erl app1/test-eunit.log
+ $i "Test 'eunit' passed."
+
+# Test application used for testing.
+app1:
+ $i "Setting up app."
+ $t mkdir -p app1
+ $t cp ../erlang.mk app1/
+ $t make -C app1 -f erlang.mk bootstrap-lib
+ $t printf "%s\n" \
+ "-module(m)." \
+ "-export([succ/1])." \
+ "succ(N) -> N + 1." \
+ > app1/src/m.erl