test: replace usage of cyclonedx-cli with internal schema validation

.github/workflows/ci.yml

@@ -56,13 +56,6 @@ jobs:
       with:
         go-version: ${{ matrix.go }}
         check-latest: true
-    - name: Setup CycloneDX CLI
-      run: |
-        mkdir -p "$HOME/.local/bin"
-        echo "$HOME/.local/bin" >> $GITHUB_PATH
-        wget -O "$HOME/.local/bin/cyclonedx" https://github.com/CycloneDX/cyclonedx-cli/releases/download/v0.24.2/cyclonedx-linux-x64
-        echo "ef0d3b31d176e02bc594f83e19cfcea053c6bc5b197351f71696e189390f851d $HOME/.local/bin/cyclonedx" | sha256sum -c
-        chmod +x "$HOME/.local/bin/cyclonedx"
     - name: Checkout Repository
       uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # tag=v3.5.3
     - name: Test

.licenserc.yml

@@ -17,4 +17,5 @@ header:
     - "LICENSE"
     - "Makefile"
     - "NOTICE"
-    - "cyclonedx_string.go"
+    - "cyclonedx_string.go"
+    - "schema/**"

Dockerfile.gitpod

@@ -16,12 +16,3 @@
 # Copyright (c) OWASP Foundation. All Rights Reserved.
 
 FROM gitpod/workspace-go:latest@sha256:d7a41f5f2a24f093cee1791f154e173a51359db19204a67c64ace06be65c0a2f
-
-USER root
-
-RUN \
-    wget -O "/usr/local/bin/cyclonedx" https://github.com/CycloneDX/cyclonedx-cli/releases/download/v0.24.2/cyclonedx-linux-x64 && \
-    echo "ef0d3b31d176e02bc594f83e19cfcea053c6bc5b197351f71696e189390f851d /usr/local/bin/cyclonedx" | sha256sum -c && \
-    chmod +x "/usr/local/bin/cyclonedx"
-
-USER gitpod

README.md

@@ -57,9 +57,3 @@ Pull requests are welcome. But please read the
 
 It is generally expected that pull requests will include relevant tests. Tests are automatically run against all
 supported Go versions (see [Compatibility](#compatibility)) for every pull request.
-
-### Running Tests
-
-Some tests make use of the [CycloneDX CLI](https://github.com/CycloneDX/cyclonedx-cli), e.g. to validate BOMs.  
-Make sure to download the CLI binary and make it available as `cyclonedx` in your `$PATH`.  
-This is done automatically for [Gitpod](https://gitpod.io/#https://github.com/CycloneDX/cyclonedx-go).

cyclonedx_test.go

@@ -18,9 +18,6 @@
 package cyclonedx
 
 import (
-	"fmt"
-	"os/exec"
-	"strings"
 	"testing"
 
 	"github.com/bradleyjkemp/cupaloy/v2"
@@ -60,16 +57,13 @@ func TestVulnerability_Properties(t *testing.T) {
 	assert.Equal(t, 0, len(*vuln.Properties))
 }
 
-func assertValidBOM(t *testing.T, bomFilePath string, version SpecVersion) {
-	inputFormat := "xml"
-	if strings.HasSuffix(bomFilePath, ".json") {
-		inputFormat = "json"
-	}
-	inputVersion := fmt.Sprintf("v%s", strings.ReplaceAll(version.String(), ".", "_"))
-	valCmd := exec.Command("cyclonedx", "validate", "--input-file", bomFilePath, "--input-format", inputFormat, "--input-version", inputVersion, "--fail-on-errors")
-	valOut, err := valCmd.CombinedOutput()
-	if !assert.NoError(t, err) {
-		// Provide some context when test is failing
-		fmt.Printf("validation error: %s\n", string(valOut))
+func assertValidBOM(t *testing.T, bomBytes []byte, format BOMFileFormat, version SpecVersion) {
+	var v validator
+	if format == BOMFileFormatJSON {
+		v = newJSONValidator()
+	} else {
+		v = newXMLValidator()
 	}
+	err := v.Validate(bomBytes, version)
+	require.NoError(t, err)
 }

encode_test.go

@@ -22,7 +22,6 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"path/filepath"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -198,21 +197,17 @@ func TestJsonBOMEncoder_EncodeVersion(t *testing.T) {
 			require.NoError(t, NewBOMDecoder(inputFile, BOMFileFormatJSON).Decode(&bom))
 			inputFile.Close()
 
-			// Prepare encoding destinations
+			// Prepare encoding destination
 			buf := bytes.Buffer{}
-			outputFilePath := filepath.Join(t.TempDir(), "bom.json")
-			outputFile, err := os.Create(outputFilePath)
-			require.NoError(t, err)
 
 			// Encode BOM again, for a specific version
-			err = NewBOMEncoder(io.MultiWriter(&buf, outputFile), BOMFileFormatJSON).
+			err = NewBOMEncoder(&buf, BOMFileFormatJSON).
 				SetPretty(true).
 				EncodeVersion(&bom, version)
 			require.NoError(t, err)
-			outputFile.Close() // Required for CLI to be able to access the file
 
 			// Sanity checks: BOM has to be valid
-			assertValidBOM(t, outputFilePath, version)
+			assertValidBOM(t, buf.Bytes(), BOMFileFormatJSON, version)
 
 			// Compare with snapshot
 			require.NoError(t, snapShooter.SnapshotMulti(fmt.Sprintf("%s.bom.json", version), buf.String()))
@@ -232,24 +227,20 @@ func TestXmlBOMEncoder_EncodeVersion(t *testing.T) {
 			require.NoError(t, NewBOMDecoder(inputFile, BOMFileFormatXML).Decode(&bom))
 			inputFile.Close()
 
-			// Prepare encoding destinations
+			// Prepare encoding destination
 			buf := bytes.Buffer{}
-			outputFilePath := filepath.Join(t.TempDir(), "bom.xml")
-			outputFile, err := os.Create(outputFilePath)
-			require.NoError(t, err)
 
 			// Encode BOM again
-			err = NewBOMEncoder(io.MultiWriter(&buf, outputFile), BOMFileFormatXML).
+			err = NewBOMEncoder(&buf, BOMFileFormatXML).
 				SetPretty(true).
 				EncodeVersion(&bom, version)
 			require.NoError(t, err)
-			outputFile.Close() // Required for CLI to be able to access the file
 
 			// Sanity checks: BOM has to be valid
 			require.NoError(t, snapShooter.SnapshotMulti(fmt.Sprintf("%s.bom.xml", version), buf.String()))
 
 			// Compare with snapshot
-			assertValidBOM(t, outputFilePath, version)
+			assertValidBOM(t, buf.Bytes(), BOMFileFormatXML, version)
 		})
 	}
 }

go.mod

@@ -5,10 +5,14 @@ go 1.17
 require (
 	github.com/bradleyjkemp/cupaloy/v2 v2.8.0
 	github.com/stretchr/testify v1.8.4
+	github.com/terminalstatic/go-xsd-validate v0.1.5
+	github.com/xeipuuv/gojsonschema v1.2.0
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -9,11 +9,20 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/terminalstatic/go-xsd-validate v0.1.5 h1:RqpJnf6HGE2CB/lZB1A8BYguk8uRtcvYAPLCF15qguo=
+github.com/terminalstatic/go-xsd-validate v0.1.5/go.mod h1:18lsvYFofBflqCrvo1umpABZ99+GneNTw2kEEc8UPJw=
+github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f h1:J9EGpcZtP0E/raorCMxlFGSTBrsSlaDGf3jU/qvAE2c=
+github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
+github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 h1:EzJWgHovont7NscjpAxXsDA8S8BMYve8Y5+7cuRE7R0=
+github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
+github.com/xeipuuv/gojsonschema v1.2.0 h1:LhYJRs+L4fBtjZUfuSZIKGeVu0QRy8e5Xi7D17UxZ74=
+github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

roundtrip_test.go

@@ -19,7 +19,6 @@ package cyclonedx
 
 import (
 	"bytes"
-	"io"
 	"os"
 	"path/filepath"
 	"testing"
@@ -43,21 +42,17 @@ func TestRoundTripJSON(t *testing.T) {
 			require.NoError(t, NewBOMDecoder(inputFile, BOMFileFormatJSON).Decode(&bom))
 			inputFile.Close()
 
-			// Prepare encoding destinations
+			// Prepare encoding destination
 			buf := bytes.Buffer{}
-			outputFilePath := filepath.Join(t.TempDir(), "bom.json")
-			outputFile, err := os.Create(outputFilePath)
-			require.NoError(t, err)
 
 			// Encode BOM again
-			err = NewBOMEncoder(io.MultiWriter(&buf, outputFile), BOMFileFormatJSON).
+			err = NewBOMEncoder(&buf, BOMFileFormatJSON).
 				SetPretty(true).
 				Encode(&bom)
 			require.NoError(t, err)
-			outputFile.Close() // Required for CLI to be able to access the file
 
 			// Sanity checks: BOM has to be valid
-			assertValidBOM(t, outputFilePath, SpecVersion1_4)
+			assertValidBOM(t, buf.Bytes(), BOMFileFormatJSON, SpecVersion1_4)
 
 			// Compare with snapshot
 			assert.NoError(t, snapShooter.SnapshotMulti(filepath.Base(bomFilePath), buf.String()))
@@ -80,21 +75,17 @@ func TestRoundTripXML(t *testing.T) {
 			require.NoError(t, NewBOMDecoder(inputFile, BOMFileFormatXML).Decode(&bom))
 			inputFile.Close()
 
-			// Prepare encoding destinations
+			// Prepare encoding destination
 			buf := bytes.Buffer{}
-			outputFilePath := filepath.Join(t.TempDir(), "bom.xml")
-			outputFile, err := os.Create(outputFilePath)
-			require.NoError(t, err)
 
 			// Encode BOM again
-			err = NewBOMEncoder(io.MultiWriter(&buf, outputFile), BOMFileFormatXML).
+			err = NewBOMEncoder(&buf, BOMFileFormatXML).
 				SetPretty(true).
 				Encode(&bom)
 			require.NoError(t, err)
-			outputFile.Close() // Required for CLI to be able to access the file
 
 			// Sanity check: BOM has to be valid
-			assertValidBOM(t, outputFilePath, SpecVersion1_4)
+			assertValidBOM(t, buf.Bytes(), BOMFileFormatXML, SpecVersion1_4)
 
 			// Compare with snapshot
 			assert.NoError(t, snapShooter.SnapshotMulti(filepath.Base(bomFilePath), buf.String()))