Add some tests for modules

* .gitignore now ignores *.got for *anything* under the tests/ directory
* runtests.sh ignores files in the tests/ directory that have the string
  "test_import_" in them, so they are not run as tests themselves
* Add a couple of basic module functionality tests

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

.gitignore

@@ -1,2 +1,2 @@
-tests/*.got
+tests/**/*.got
 /target

runtests.sh

@@ -17,7 +17,7 @@ echo "building"
 cargo build $flags || die "build failed"
 
 echo "testing"
-find "$tests" -type f -name '*.npp' | while read f; do
+find "$tests" -type f -name '*.npp' -not -name "*test_import_*" | while read f; do
     result="$(cargo run $flags -- "$f")"
 
     echo "$result" > "$f.got"

tests/modules.npp

@@ -0,0 +1,6 @@
+import "modules/test_import_directory.npp"
+import test_import_local
+
+println(test_import_local.foo)
+println(test_import_local.bar)
+println(test_import_local.baz)

tests/modules.npp.expect

@@ -0,0 +1,5 @@
+importing test_import_directory
+importing test_import_local
+1
+2
+3

tests/modules/test_import_directory.npp

@@ -0,0 +1 @@
+println("importing test_import_directory")

tests/test_import_local.npp

@@ -0,0 +1,5 @@
+println("importing test_import_local")
+
+foo = 1
+bar = 2
+baz = 3