X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=binapigen%2Fgenerator_test.go;h=7f334a98b2b10a474837e3d24b4abe72cf3c8935;hb=43cd23926d5eec359d4b554a4330e1aa596c76de;hp=ddbda999061c6c6dcffd808496ee70d9fbaf9764;hpb=94620e85f0bdbb054af07ce3670fadc1f76cfdf0;p=govpp.git

diff --git a/binapigen/generator_test.go b/binapigen/generator_test.go
index ddbda99..7f334a9 100644
--- a/binapigen/generator_test.go
+++ b/binapigen/generator_test.go
@@ -15,9 +15,24 @@
 package binapigen
 
 import (
+	"fmt"
+	"git.fd.io/govpp.git/binapigen/vppapi"
+	. "github.com/onsi/gomega"
 	"testing"
 )
 
+func TestGoModule(t *testing.T) {
+	const expected = "git.fd.io/govpp.git/binapi"
+
+	impPath, err := resolveImportPath("../binapi")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if impPath != expected {
+		t.Fatalf("expected: %q, got: %q", expected, impPath)
+	}
+}
+
 func TestBinapiTypeSizes(t *testing.T) {
 	tests := []struct {
 		name    string
@@ -33,7 +48,7 @@ func TestBinapiTypeSizes(t *testing.T) {
 	}
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			size := getBinapiTypeSize(test.input)
+			size := getSizeOfBinapiBaseType(test.input, 1)
 			if size != test.expsize {
 				t.Errorf("expected %d, got %d", test.expsize, size)
 			}
@@ -41,70 +56,103 @@ func TestBinapiTypeSizes(t *testing.T) {
 	}
 }
 
-/*func TestSizeOfType(t *testing.T) {
+func TestBinapiUnionSizes(t *testing.T) {
+	RegisterTestingT(t)
 	tests := []struct {
-		name    string
-		input   StructType
-		expsize int
+		testName string
+		input    *Union
+		expsize  int
 	}{
-		{
-			name: "basic1",
-			input: StructType{
-				Fields: []Field{
-					{Type: "u8"},
-				},
-			},
-			expsize: 1,
-		},
-		{
-			name: "basic2",
-			input: Type{
-				Fields: []Field{
-					{Type: "u8", Length: 4},
-				},
-			},
-			expsize: 4,
-		},
-		{
-			name: "basic3",
-			input: Type{
-				Fields: []Field{
-					{Type: "u8", Length: 16},
-				},
-			},
-			expsize: 16,
-		},
-		{
-			name: "withEnum",
-			input: Type{
-				Fields: []Field{
-					{Type: "u16"},
-					{Type: "vl_api_myenum_t"},
-				},
-			},
-			expsize: 6,
-		},
-		{
-			name: "invalid1",
-			input: Type{
-				Fields: []Field{
-					{Type: "x", Length: 16},
-				},
-			},
-			expsize: 0,
-		},
+		{testName: "union_alias", input: typeTestData{
+			typ: "union", fields: []*typeTestData{{typ: "alias", value: U16},
+			}}.getUnion("union1"), expsize: 2},
+		{testName: "union_enum", input: typeTestData{
+			typ: "union", fields: []*typeTestData{{typ: "enum", value: U32},
+			}}.getUnion("union2"), expsize: 4},
+		{testName: "union_struct", input: typeTestData{
+			typ: "union", fields: []*typeTestData{
+				{typ: "struct", fields: []*typeTestData{{value: U8}, {value: U16}, {value: U32}}},
+			}}.getUnion("union3"), expsize: 7},
+		{testName: "union_structs", input: typeTestData{
+			typ: "union", fields: []*typeTestData{
+				{typ: "struct", fields: []*typeTestData{{value: U8}, {value: BOOL}}},
+				{typ: "struct", fields: []*typeTestData{{value: U16}, {value: U32}}},
+				{typ: "struct", fields: []*typeTestData{{value: U32}, {value: U64}}},
+			}}.getUnion("union4"), expsize: 12},
+		{testName: "union_unions", input: typeTestData{
+			typ: "union", fields: []*typeTestData{
+				{typ: "union", fields: []*typeTestData{
+					{typ: "struct", fields: []*typeTestData{{value: STRING}}},
+				}},
+				{typ: "union", fields: []*typeTestData{
+					{typ: "struct", fields: []*typeTestData{{value: U32}}},
+				}},
+				{typ: "union", fields: []*typeTestData{
+					{typ: "struct", fields: []*typeTestData{{value: U64}}},
+				}},
+			}}.getUnion("union5"), expsize: 8},
+		{testName: "union_combined", input: typeTestData{
+			typ: "union", fields: []*typeTestData{
+				{typ: "alias", value: U8},
+				{typ: "enum", value: U16},
+				{typ: "struct", fields: []*typeTestData{{value: U8}, {value: U16}, {value: U32}}}, // <-
+				{typ: "union", fields: []*typeTestData{
+					{typ: "alias", value: U16},
+					{typ: "enum", value: U16},
+					{typ: "struct", fields: []*typeTestData{{value: U32}}},
+				}},
+			}}.getUnion("union6"), expsize: 7},
 	}
 	for _, test := range tests {
-		t.Run(test.name, func(t *testing.T) {
-			module := &File{
-				Enums: []Enum{
-					{Name: "myenum", Type: "u32"},
-				},
-			}
-			size := getSizeOfType(module, &test.input)
-			if size != test.expsize {
-				t.Errorf("expected %d, got %d", test.expsize, size)
-			}
+		t.Run(test.testName, func(t *testing.T) {
+			size := getUnionSize(test.input)
+			Expect(size).To(Equal(test.expsize))
 		})
 	}
-}*/
+}
+
+// Typed data used for union size evaluation testing.
+type typeTestData struct {
+	typ    string
+	value  string
+	fields []*typeTestData
+}
+
+func (t typeTestData) getUnion(name string) *Union {
+	return &Union{
+		UnionType: vppapi.UnionType{Name: name},
+		Fields:    t.getUnionFields(name),
+	}
+}
+
+func (t typeTestData) getUnionFields(parentName string) (fields []*Field) {
+	for i, field := range t.fields {
+		var (
+			dataType   string
+			aliasType  *Alias
+			enumType   *Enum
+			structType *Struct
+			unionType  *Union
+		)
+		switch field.typ {
+		case "alias":
+			aliasType = &Alias{AliasType: vppapi.AliasType{Name: fmt.Sprintf("%s_alias_%d", parentName, i), Type: field.value}}
+		case "enum":
+			enumType = &Enum{EnumType: vppapi.EnumType{Name: fmt.Sprintf("%s_enum_%d", parentName, i), Type: field.value}}
+		case "struct":
+			structType = &Struct{Fields: field.getUnionFields(fmt.Sprintf("%s_struct_%d", parentName, i))}
+		case "union":
+			unionType = field.getUnion(parentName)
+		default:
+			dataType = field.value
+		}
+		fields = append(fields, &Field{
+			Field:      vppapi.Field{Name: fmt.Sprintf("%s_field_%d", parentName, i), Type: dataType},
+			TypeAlias:  aliasType,
+			TypeEnum:   enumType,
+			TypeStruct: structType,
+			TypeUnion:  unionType,
+		})
+	}
+	return fields
+}