1 files changed, 70 insertions, 0 deletions

diff --git a/tagging_test.go b/tagging_test.go
new file mode 100644
index 0000000..2fe2e33
--- /dev/null
+++ b/tagging_test.go
@@ -0,0 +1,70 @@
+package envcfg
+
+import (
+        "os"
+        "testing"
+)
+
+type taggedStruct struct {
+        Field string `env:"CUSTOM_POTATOE"`
+}
+
+func TestTaggedField(t *testing.T) {
+        const ENV_KEY = "CUSTOM_POTATOE"
+        const ENV_VAL = "Remember: testing is the future!"
+
+        os.Clearenv()
+        os.Setenv(ENV_KEY, ENV_VAL)
+
+        s := taggedStruct{}
+
+        ReadInto(&s)
+
+        if s.Field != ENV_VAL {
+                t.Errorf("expected '%s', got '%s'", ENV_VAL, s.Field)
+        }
+}
+
+type taggedSubStruct struct {
+        SubStruct struct {
+                Field string
+        } `env:"POTATOE"`
+}
+
+func TestTaggedSubStruct(t *testing.T) {
+        const ENV_KEY = "POTATOE_FIELD"
+        const ENV_VAL = "Remember: testing is the future!"
+
+        os.Clearenv()
+        os.Setenv(ENV_KEY, ENV_VAL)
+
+        s := taggedSubStruct{}
+
+        ReadInto(&s)
+
+        if s.SubStruct.Field != ENV_VAL {
+                t.Errorf("expected '%s', got '%s'", ENV_VAL, s.SubStruct.Field)
+        }
+}
+
+type absTaggedField struct {
+        SubStruct struct {
+                Field string `env:"POTATOE" absenv:"true"`
+        }
+}
+
+func TestAbsTaggedField(t *testing.T) {
+        const ENV_KEY = "POTATOE"
+        const ENV_VAL = "Remember: testing is the future!"
+
+        os.Clearenv()
+        os.Setenv(ENV_KEY, ENV_VAL)
+
+        s := absTaggedField{}
+
+        ReadInto(&s)
+
+        if s.SubStruct.Field != ENV_VAL {
+                t.Errorf("expected '%s', got '%s'", ENV_VAL, s.SubStruct.Field)
+        }
+}