1 files changed, 49 insertions, 0 deletions
diff --git a/os_test.go b/os_test.go
new file mode 100644
index 000000000..ac94b5a3c
--- /dev/null
+++ b/os_test.go
@@ -0,0 +1,49 @@
+package main
+
+import (
+	"path"
+	"testing"
+)
+
+func AssertEqual(t *testing.T, actual string, expected string) {
+	if actual != expected {
+		t.Fatalf("not equal <<%s>> <<%s>>", actual, expected)
+	}
+}
+
+func TestResolveModule(t *testing.T) {
+	moduleName, filename, err := ResolveModule(
+		"http://localhost:4545/testdata/subdir/print_hello.ts",
+		"/Users/rld/go/src/github.com/ry/deno/testdata/006_url_imports.ts")
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	AssertEqual(t, moduleName,
+		"http://localhost:4545/testdata/subdir/print_hello.ts")
+	AssertEqual(t, filename,
+		path.Join(SrcDir, "localhost:4545/testdata/subdir/print_hello.ts"))
+
+	moduleName, filename, err = ResolveModule(
+		"./subdir/print_hello.ts",
+		"/Users/rld/go/src/github.com/ry/deno/testdata/006_url_imports.ts")
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	AssertEqual(t, moduleName,
+		"/Users/rld/go/src/github.com/ry/deno/testdata/subdir/print_hello.ts")
+	AssertEqual(t, filename,
+		"/Users/rld/go/src/github.com/ry/deno/testdata/subdir/print_hello.ts")
+
+	// In the case where the containingFile is a directory (indicated with a
+	// trailing slash)
+	moduleName, filename, err = ResolveModule(
+		"testdata/001_hello.js",
+		"/Users/rld/go/src/github.com/ry/deno/")
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	AssertEqual(t, moduleName,
+		"/Users/rld/go/src/github.com/ry/deno/testdata/001_hello.js")
+	AssertEqual(t, filename,
+		"/Users/rld/go/src/github.com/ry/deno/testdata/001_hello.js")
+}