internal/feed: split out datatype, add tests

1 files changed, 65 insertions, 0 deletions

diff --git a/internal/feed/datatype_test.go b/internal/feed/datatype_test.go
new file mode 100644
index 0000000..05f6a74
--- /dev/null
+++ b/internal/feed/datatype_test.go
@@ -0,0 +1,65 @@
+package feed
+
+import (
+  "encoding/json"
+  "testing"
+)
+
+func TestDataTypeUnmarshalInvalidData(t *testing.T) {
+  test := []byte(`{}`)
+  var val DataType
+
+  if err := json.Unmarshal(test, &val); err == nil {
+    t.Errorf("got \"%s\", exp error", val)
+  }
+}
+
+func TestDataTypeUnmarshalUnknown(t *testing.T) {
+  test := []byte(`"foo"`)
+  exp := "unknown data type: foo"
+  var val DataType
+
+  err := json.Unmarshal(test, &val)
+  if err == nil {
+    t.Errorf("got \"%s\", exp error", val)
+    return
+  }
+
+  if err.Error() != exp {
+    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
+  }
+}
+
+func TestDataTypeUnmarshalValid(t *testing.T) {
+  test := []byte(`"CVE"`)
+  exp := CveType
+  var got DataType
+
+  if err := json.Unmarshal(test, &got); err != nil {
+    t.Error(err)
+    return
+  }
+
+  if got != exp {
+    t.Errorf("got \"%s\", exp \"%s\"", got, exp)
+  }
+}
+
+func TestDataTypeString(t *testing.T) {
+  tests := []struct {
+    val DataType
+    exp string
+  } {
+    { CveType, "CVE" },
+    { DataType(255), "DataType(255)" },
+  }
+
+  for _, test := range(tests) {
+    t.Run(test.val.String(), func(t *testing.T) {
+      got := test.val.String()
+      if got != test.exp {
+        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
+      }
+    })
+  }
+}