copy subset of Sprig template functions

util/sprig/functions_linux_test.go

@@ -0,0 +1,28 @@
+package sprig
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestOsBase(t *testing.T) {
+	assert.NoError(t, runt(`{{ osBase "foo/bar" }}`, "bar"))
+}
+
+func TestOsDir(t *testing.T) {
+	assert.NoError(t, runt(`{{ osDir "foo/bar/baz" }}`, "foo/bar"))
+}
+
+func TestOsIsAbs(t *testing.T) {
+	assert.NoError(t, runt(`{{ osIsAbs "/foo" }}`, "true"))
+	assert.NoError(t, runt(`{{ osIsAbs "foo" }}`, "false"))
+}
+
+func TestOsClean(t *testing.T) {
+	assert.NoError(t, runt(`{{ osClean "/foo/../foo/../bar" }}`, "/bar"))
+}
+
+func TestOsExt(t *testing.T) {
+	assert.NoError(t, runt(`{{ osExt "/foo/bar/baz.txt" }}`, ".txt"))
+}