Rteco 1539 cargo implementation phase 1 (#399)

Author: reshmifrog

entities/buildinfo.go

@@ -50,6 +50,7 @@ const (
 	Uv        ModuleType = "uv"
 	Gem       ModuleType = "gem"
 	Apk       ModuleType = "apk"
+	Cargo     ModuleType = "cargo"
 )
 
 type BuildInfo struct {

entities/buildinfo_test.go

@@ -569,3 +569,9 @@ func TestBuildInfoAppend_MavenSnapshotScenario(t *testing.T) {
 	assert.Len(t, buildInfo1.Modules[0].Artifacts, 1, "Should have 1 artifact")
 	assert.Equal(t, "deploy-sha", buildInfo1.Modules[0].Artifacts[0].Sha1, "Should have newer SHA1")
 }
+
+func TestCargoModuleType(t *testing.T) {
+	if Cargo != "cargo" {
+		t.Fatalf("expected Cargo module type to be %q, got %q", "cargo", Cargo)
+	}
+}