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-rw-r--r--binapigen/generate_test.go446
1 files changed, 446 insertions, 0 deletions
diff --git a/binapigen/generate_test.go b/binapigen/generate_test.go
new file mode 100644
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--- /dev/null
+++ b/binapigen/generate_test.go
@@ -0,0 +1,446 @@
+// Copyright (c) 2020 Cisco and/or its affiliates.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at:
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package binapigen
+
+import (
+ "os"
+ "testing"
+
+ . "github.com/onsi/gomega"
+
+ "git.fd.io/govpp.git/binapigen/vppapi"
+)
+
+const testOutputDir = "test_output_directory"
+
+func GenerateFromFile(apiDir, outputDir string, opts Options) error {
+ // parse API files
+ apifiles, err := vppapi.ParseDir(apiDir)
+ if err != nil {
+ return err
+ }
+
+ g, err := New(opts, apifiles)
+ if err != nil {
+ return err
+ }
+ for _, file := range g.Files {
+ if !file.Generate {
+ continue
+ }
+ GenerateBinapiFile(g, file, outputDir)
+ if file.Service != nil {
+ GenerateRPC(g, file, outputDir)
+ }
+ }
+
+ if err = g.Generate(); err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func TestGenerateFromFile(t *testing.T) {
+ RegisterTestingT(t)
+
+ // remove directory created during test
+ defer os.RemoveAll(testOutputDir)
+
+ err := GenerateFromFile("testdata/acl.api.json", testOutputDir, Options{})
+ Expect(err).ShouldNot(HaveOccurred())
+ fileInfo, err := os.Stat(testOutputDir + "/acl/acl.ba.go")
+ Expect(err).ShouldNot(HaveOccurred())
+ Expect(fileInfo.IsDir()).To(BeFalse())
+ Expect(fileInfo.Name()).To(BeEquivalentTo("acl.ba.go"))
+}
+
+func TestGenerateFromFileInputError(t *testing.T) {
+ RegisterTestingT(t)
+
+ err := GenerateFromFile("testdata/nonexisting.json", testOutputDir, Options{})
+ Expect(err).Should(HaveOccurred())
+ Expect(err.Error()).To(ContainSubstring("invalid input file name"))
+}
+
+func TestGenerateFromFileReadJsonError(t *testing.T) {
+ RegisterTestingT(t)
+
+ err := GenerateFromFile("testdata/input-read-json-error.json", testOutputDir, Options{})
+ Expect(err).Should(HaveOccurred())
+ Expect(err.Error()).To(ContainSubstring("invalid input file name"))
+}
+
+func TestGenerateFromFileGeneratePackageError(t *testing.T) {
+ RegisterTestingT(t)
+
+ // generate package throws panic, recover after it
+ defer func() {
+ if recovery := recover(); recovery != nil {
+ t.Logf("Recovered from panic: %v", recovery)
+ }
+ os.RemoveAll(testOutputDir)
+ }()
+
+ err := GenerateFromFile("testdata/input-generate-error.json", testOutputDir, Options{})
+ Expect(err).Should(HaveOccurred())
+}
+
+/*func TestGetContext(t *testing.T) {
+ RegisterTestingT(t)
+ outDir := "test_output_directory"
+ result, err := newContext("testdata/af_packet.api.json", outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ Expect(result).ToNot(BeNil())
+ Expect(result.outputFile).To(BeEquivalentTo(outDir + "/af_packet/af_packet.ba.go"))
+}
+
+func TestGetContextNoJsonFile(t *testing.T) {
+ RegisterTestingT(t)
+ outDir := "test_output_directory"
+ result, err := newContext("testdata/input.txt", outDir)
+ Expect(err).Should(HaveOccurred())
+ Expect(err.Error()).To(ContainSubstring("invalid input file name"))
+ Expect(result).To(BeNil())
+}
+
+func TestGetContextInterfaceJson(t *testing.T) {
+ RegisterTestingT(t)
+ outDir := "test_output_directory"
+ result, err := newContext("testdata/ip.api.json", outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ Expect(result).ToNot(BeNil())
+ Expect(result.outputFile)
+ Expect(result.outputFile).To(BeEquivalentTo(outDir + "/ip/ip.ba.go"))
+}*/
+
+/*func TestGeneratePackage(t *testing.T) {
+ RegisterTestingT(t)
+ // prepare context
+ testCtx := new(GenFile)
+ testCtx.packageName = "test-package-name"
+
+ // prepare input/output output files
+ inputData, err := ioutil.ReadFile("testdata/ip.api.json")
+ Expect(err).ShouldNot(HaveOccurred())
+ jsonRoot, err := parseInputJSON(inputData)
+ Expect(err).ShouldNot(HaveOccurred())
+ testCtx.file, err = parseModule(testCtx, jsonRoot)
+ Expect(err).ShouldNot(HaveOccurred())
+ outDir := "test_output_directory"
+ outFile, err := os.Create(outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ defer os.RemoveAll(outDir)
+
+ // prepare writer
+ writer := bufio.NewWriter(outFile)
+ Expect(writer.Buffered()).To(BeZero())
+ err = generatePackage(testCtx, writer)
+ Expect(err).ShouldNot(HaveOccurred())
+}
+
+func TestGenerateMessageType(t *testing.T) {
+ RegisterTestingT(t)
+ // prepare context
+ testCtx := new(GenFile)
+ testCtx.packageName = "test-package-name"
+
+ // prepare input/output output files
+ inputData, err := ioutil.ReadFile("testdata/ip.api.json")
+ Expect(err).ShouldNot(HaveOccurred())
+ jsonRoot, err := parseInputJSON(inputData)
+ Expect(err).ShouldNot(HaveOccurred())
+ outDir := "test_output_directory"
+ outFile, err := os.Create(outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ testCtx.file, err = parseModule(testCtx, jsonRoot)
+ Expect(err).ShouldNot(HaveOccurred())
+ defer os.RemoveAll(outDir)
+
+ // prepare writer
+ writer := bufio.NewWriter(outFile)
+
+ for _, msg := range testCtx.file.Messages {
+ generateMessage(testCtx, writer, &msg)
+ Expect(writer.Buffered()).ToNot(BeZero())
+ }
+}*/
+
+/*func TestGenerateMessageName(t *testing.T) {
+ RegisterTestingT(t)
+ // prepare context
+ testCtx := new(context)
+ testCtx.packageName = "test-package-name"
+
+ // prepare input/output output files
+ inputData, err := readFile("testdata/ip.api.json")
+ Expect(err).ShouldNot(HaveOccurred())
+ testCtx.inputBuff = bytes.NewBuffer(inputData)
+ inFile, _ := parseJSON(inputData)
+ outDir := "test_output_directory"
+ outFile, err := os.Create(outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ defer os.RemoveAll(outDir)
+
+ // prepare writer
+ writer := bufio.NewWriter(outFile)
+
+ types := inFile.Map("types")
+ Expect(types.Len()).To(BeEquivalentTo(1))
+ for i := 0; i < types.Len(); i++ {
+ typ := types.At(i)
+ Expect(writer.Buffered()).To(BeZero())
+ err := generateMessage(testCtx, writer, typ, false)
+ Expect(err).ShouldNot(HaveOccurred())
+ Expect(writer.Buffered()).ToNot(BeZero())
+
+ }
+}
+
+func TestGenerateMessageFieldTypes(t *testing.T) {
+ // expected results according to acl.api.json in testdata
+ expectedTypes := []string{
+ "\tIsPermit uint8",
+ "\tIsIpv6 uint8",
+ "\tSrcIPAddr []byte `struc:\"[16]byte\"`",
+ "\tSrcIPPrefixLen uint8",
+ "\tDstIPAddr []byte `struc:\"[16]byte\"`",
+ "\tDstIPPrefixLen uint8",
+ "\tProto uint8",
+ "\tSrcportOrIcmptypeFirst uint16",
+ "\tSrcportOrIcmptypeLast uint16",
+ "\tDstportOrIcmpcodeFirst uint16",
+ "\tDstportOrIcmpcodeLast uint16",
+ "\tTCPFlagsMask uint8",
+ "\tTCPFlagsValue uint8"}
+ RegisterTestingT(t)
+ // prepare context
+ testCtx := new(context)
+ testCtx.packageName = "test-package-name"
+
+ // prepare input/output output files
+ inputData, err := readFile("testdata/acl.api.json")
+ Expect(err).ShouldNot(HaveOccurred())
+ inFile, err := parseJSON(inputData)
+ Expect(err).ShouldNot(HaveOccurred())
+ Expect(inFile).ToNot(BeNil())
+
+ // test types
+ types := inFile.Map("types")
+ fields := make([]string, 0)
+ for i := 0; i < types.Len(); i++ {
+ for j := 0; j < types.At(i).Len(); j++ {
+ field := types.At(i).At(j)
+ if field.GetType() == jsongo.TypeArray {
+ err := processMessageField(testCtx, &fields, field, false)
+ Expect(err).ShouldNot(HaveOccurred())
+ Expect(fields[j-1]).To(BeEquivalentTo(expectedTypes[j-1]))
+ }
+ }
+ }
+}
+
+func TestGenerateMessageFieldMessages(t *testing.T) {
+ // expected results according to acl.api.json in testdata
+ expectedFields := []string{"\tMajor uint32", "\tMinor uint32", "\tRetval int32",
+ "\tVpePid uint32", "\tACLIndex uint32", "\tTag []byte `struc:\"[64]byte\"`",
+ "\tCount uint32"}
+ RegisterTestingT(t)
+ // prepare context
+ testCtx := new(context)
+ testCtx.packageName = "test-package-name"
+
+ // prepare input/output output files
+ inputData, err := readFile("testdata/acl.api.json")
+ Expect(err).ShouldNot(HaveOccurred())
+ inFile, err := parseJSON(inputData)
+ Expect(err).ShouldNot(HaveOccurred())
+ Expect(inFile).ToNot(BeNil())
+
+ // test message fields
+ messages := inFile.Map("messages")
+ customIndex := 0
+ fields := make([]string, 0)
+ for i := 0; i < messages.Len(); i++ {
+ for j := 0; j < messages.At(i).Len(); j++ {
+ field := messages.At(i).At(j)
+ if field.GetType() == jsongo.TypeArray {
+ specificFieldName := field.At(1).Get().(string)
+ if specificFieldName == "crc" || specificFieldName == "_vl_msg_id" ||
+ specificFieldName == "client_index" || specificFieldName == "context" {
+ continue
+ }
+ err := processMessageField(testCtx, &fields, field, false)
+ Expect(err).ShouldNot(HaveOccurred())
+ Expect(fields[customIndex]).To(BeEquivalentTo(expectedFields[customIndex]))
+ customIndex++
+ if customIndex >= len(expectedFields) {
+ // there is too much fields now for one UT...
+ return
+ }
+ }
+ }
+ }
+}
+
+func TestGeneratePackageHeader(t *testing.T) {
+ RegisterTestingT(t)
+ // prepare context
+ testCtx := new(context)
+ testCtx.packageName = "test-package-name"
+
+ // prepare input/output output files
+ inputData, err := readFile("testdata/acl.api.json")
+ Expect(err).ShouldNot(HaveOccurred())
+ inFile, err := parseJSON(inputData)
+ Expect(err).ShouldNot(HaveOccurred())
+ outDir := "test_output_directory"
+ outFile, err := os.Create(outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ defer os.RemoveAll(outDir)
+ // prepare writer
+ writer := bufio.NewWriter(outFile)
+ Expect(writer.Buffered()).To(BeZero())
+ generateHeader(testCtx, writer, inFile)
+ Expect(writer.Buffered()).ToNot(BeZero())
+}
+
+func TestGenerateMessageCommentType(t *testing.T) {
+ RegisterTestingT(t)
+ // prepare context
+ testCtx := new(context)
+ testCtx.packageName = "test-package-name"
+ testCtx.inputBuff = bytes.NewBuffer([]byte("test content"))
+
+ outDir := "test_output_directory"
+ outFile, err := os.Create(outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ writer := bufio.NewWriter(outFile)
+ defer os.RemoveAll(outDir)
+ Expect(writer.Buffered()).To(BeZero())
+ generateMessageComment(testCtx, writer, "test-struct", "msg-name", true)
+ Expect(writer.Buffered()).ToNot(BeZero())
+}
+
+func TestGenerateMessageCommentMessage(t *testing.T) {
+ RegisterTestingT(t)
+ // prepare context
+ testCtx := new(context)
+ testCtx.packageName = "test-package-name"
+ testCtx.inputBuff = bytes.NewBuffer([]byte("test content"))
+
+ outDir := "test_output_directory"
+ outFile, err := os.Create(outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ writer := bufio.NewWriter(outFile)
+ defer os.RemoveAll(outDir)
+ Expect(writer.Buffered()).To(BeZero())
+ generateMessageComment(testCtx, writer, "test-struct", "msg-name", false)
+ Expect(writer.Buffered()).ToNot(BeZero())
+}
+
+func TestGenerateMessageNameGetter(t *testing.T) {
+ RegisterTestingT(t)
+ outDir := "test_output_directory"
+ outFile, err := os.Create(outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ writer := bufio.NewWriter(outFile)
+ defer os.RemoveAll(outDir)
+ Expect(writer.Buffered()).To(BeZero())
+ generateMessageNameGetter(writer, "test-struct", "msg-name")
+ Expect(writer.Buffered()).ToNot(BeZero())
+}
+
+func TestGenerateTypeNameGetter(t *testing.T) {
+ RegisterTestingT(t)
+ outDir := "test_output_directory"
+ outFile, err := os.Create(outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ writer := bufio.NewWriter(outFile)
+ defer os.RemoveAll(outDir)
+ Expect(writer.Buffered()).To(BeZero())
+ generateTypeNameGetter(writer, "test-struct", "msg-name")
+ Expect(writer.Buffered()).ToNot(BeZero())
+}
+
+func TestGenerateCrcGetter(t *testing.T) {
+ RegisterTestingT(t)
+ outDir := "test_output_directory"
+ outFile, err := os.Create(outDir)
+ Expect(err).ShouldNot(HaveOccurred())
+ writer := bufio.NewWriter(outFile)
+ defer os.RemoveAll(outDir)
+ Expect(writer.Buffered()).To(BeZero())
+ generateCrcGetter(writer, "test-struct", "msg-name")
+ Expect(writer.Buffered()).ToNot(BeZero())
+}
+
+func TestTranslateVppType(t *testing.T) {
+ RegisterTestingT(t)
+ context := new(context)
+ typesToTranslate := []string{"u8", "i8", "u16", "i16", "u32", "i32", "u64", "i64", "f64"}
+ expected := []string{"uint8", "int8", "uint16", "int16", "uint32", "int32", "uint64", "int64", "float64"}
+ var translated []string
+ for _, value := range typesToTranslate {
+ translated = append(translated, convertToGoType(context, value, false))
+ }
+ for index, value := range expected {
+ Expect(value).To(BeEquivalentTo(translated[index]))
+ }
+
+}
+
+func TestTranslateVppTypeArray(t *testing.T) {
+ RegisterTestingT(t)
+ context := new(context)
+ translated := convertToGoType(context, "u8", true)
+ Expect(translated).To(BeEquivalentTo("byte"))
+}
+
+func TestTranslateVppUnknownType(t *testing.T) {
+ defer func() {
+ if recovery := recover(); recovery != nil {
+ t.Logf("Recovered from panic: %v", recovery)
+ }
+ }()
+ context := new(context)
+ convertToGoType(context, "?", false)
+}
+
+func TestCamelCase(t *testing.T) {
+ RegisterTestingT(t)
+ // test camel case functionality
+ expected := "allYourBaseAreBelongToUs"
+ result := camelCaseName("all_your_base_are_belong_to_us")
+ Expect(expected).To(BeEquivalentTo(result))
+ // test underscore
+ expected = "_"
+ result = camelCaseName(expected)
+ Expect(expected).To(BeEquivalentTo(result))
+ // test all lower
+ expected = "lower"
+ result = camelCaseName(expected)
+ Expect(expected).To(BeEquivalentTo(result))
+}
+
+func TestCommonInitialisms(t *testing.T) {
+ RegisterTestingT(t)
+
+ for key, value := range commonInitialisms {
+ Expect(value).ShouldNot(BeFalse())
+ Expect(key).ShouldNot(BeEmpty())
+ }
+}
+*/