Complete package for generating ocds structs (with extensions) in golang

profiles/findtender/ocds_test.go

@@ -0,0 +1,46 @@
+package findtender
+
+import (
+	"encoding/json"
+	"os"
+	"reflect"
+	"testing"
+)
+
+// TestRoundTrip decodes a release package that uses several extensions and
+// checks that re-encoding it loses nothing. Numeric IDs are the one expected
+// change: ID always encodes as a string.
+func TestRoundTrip(t *testing.T) {
+	in, err := os.ReadFile("testdata/release-package.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+	var pkg ReleasePackage
+	if err := json.Unmarshal(in, &pkg); err != nil {
+		t.Fatal(err)
+	}
+
+	r := pkg.Releases[0]
+	if got := r.Tender.Items[0].ID; got != "1" {
+		t.Errorf("numeric item id: got %q, want \"1\"", got)
+	}
+	if !*r.Tender.Lots[0].Suitability.SME {
+		t.Error("lot suitability lost")
+	}
+	if got := r.Contracts[0].Implementation.PerformanceFailures[0].ID; got != "PF1" {
+		t.Errorf("performance failure: got %q", got)
+	}
+
+	out, err := json.Marshal(pkg)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var want, got any
+	json.Unmarshal(in, &want)
+	json.Unmarshal(out, &got)
+	// Normalise the one numeric ID in the fixture before comparing.
+	want.(map[string]any)["releases"].([]any)[0].(map[string]any)["tender"].(map[string]any)["items"].([]any)[0].(map[string]any)["id"] = "1"
+	if !reflect.DeepEqual(want, got) {
+		t.Fatalf("round trip changed the data:\n%s", out)
+	}
+}