mirror of
https://github.com/anchore/syft.git
synced 2025-11-17 16:33:21 +01:00
383 lines
10 KiB
Go
383 lines
10 KiB
Go
package main
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/iancoleman/orderedmap"
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"github.com/invopop/jsonschema"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// TestCopyAliasFieldComments verifies that field comments from source types are correctly copied to alias types.
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// This is important for type aliases like `type RpmArchive RpmDBEntry` where the alias should inherit all field descriptions.
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func TestCopyAliasFieldComments(t *testing.T) {
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tests := []struct {
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name string
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commentMap map[string]string
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aliases map[string]string
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wantComments map[string]string
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}{
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{
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name: "copies field comments from source type to alias",
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commentMap: map[string]string{
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"github.com/anchore/syft/syft/pkg.RpmDBEntry": "RpmDBEntry represents all captured data from a RPM DB package entry.",
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"github.com/anchore/syft/syft/pkg.RpmDBEntry.Name": "Name is the RPM package name.",
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"github.com/anchore/syft/syft/pkg.RpmDBEntry.Epoch": "Epoch is the version epoch.",
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},
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aliases: map[string]string{
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"RpmArchive": "RpmDBEntry",
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},
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wantComments: map[string]string{
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"github.com/anchore/syft/syft/pkg.RpmDBEntry": "RpmDBEntry represents all captured data from a RPM DB package entry.",
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"github.com/anchore/syft/syft/pkg.RpmDBEntry.Name": "Name is the RPM package name.",
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"github.com/anchore/syft/syft/pkg.RpmDBEntry.Epoch": "Epoch is the version epoch.",
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"github.com/anchore/syft/syft/pkg.RpmArchive.Name": "Name is the RPM package name.",
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"github.com/anchore/syft/syft/pkg.RpmArchive.Epoch": "Epoch is the version epoch.",
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},
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},
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{
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name: "handles multiple aliases",
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commentMap: map[string]string{
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"github.com/anchore/syft/syft/pkg.DpkgDBEntry": "DpkgDBEntry represents data from dpkg.",
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"github.com/anchore/syft/syft/pkg.DpkgDBEntry.Package": "Package is the package name.",
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"github.com/anchore/syft/syft/pkg.DpkgDBEntry.Architecture": "Architecture is the target arch.",
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},
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aliases: map[string]string{
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"DpkgArchiveEntry": "DpkgDBEntry",
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"DpkgSnapshot": "DpkgDBEntry",
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},
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wantComments: map[string]string{
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"github.com/anchore/syft/syft/pkg.DpkgDBEntry": "DpkgDBEntry represents data from dpkg.",
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"github.com/anchore/syft/syft/pkg.DpkgDBEntry.Package": "Package is the package name.",
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"github.com/anchore/syft/syft/pkg.DpkgDBEntry.Architecture": "Architecture is the target arch.",
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"github.com/anchore/syft/syft/pkg.DpkgArchiveEntry.Package": "Package is the package name.",
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"github.com/anchore/syft/syft/pkg.DpkgArchiveEntry.Architecture": "Architecture is the target arch.",
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"github.com/anchore/syft/syft/pkg.DpkgSnapshot.Package": "Package is the package name.",
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"github.com/anchore/syft/syft/pkg.DpkgSnapshot.Architecture": "Architecture is the target arch.",
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},
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},
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{
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name: "does not copy non-field comments",
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commentMap: map[string]string{
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"github.com/anchore/syft/syft/pkg.SomeType": "SomeType struct comment.",
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"github.com/anchore/syft/syft/pkg.SomeType.Field": "Field comment.",
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},
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aliases: map[string]string{
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"AliasType": "SomeType",
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},
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wantComments: map[string]string{
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"github.com/anchore/syft/syft/pkg.SomeType": "SomeType struct comment.",
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"github.com/anchore/syft/syft/pkg.SomeType.Field": "Field comment.",
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"github.com/anchore/syft/syft/pkg.AliasType.Field": "Field comment.",
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// create temp dir for testing
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tmpDir := t.TempDir()
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// create a test go file with type aliases
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testFile := filepath.Join(tmpDir, "test.go")
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content := "package test\n\n"
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for alias, source := range tt.aliases {
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content += "type " + alias + " " + source + "\n"
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}
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err := os.WriteFile(testFile, []byte(content), 0644)
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require.NoError(t, err)
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// make a copy of the comment map since the function modifies it
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commentMap := make(map[string]string)
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for k, v := range tt.commentMap {
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commentMap[k] = v
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}
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// run the function
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copyAliasFieldComments(commentMap, tmpDir)
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// verify results
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assert.Equal(t, tt.wantComments, commentMap)
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})
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}
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}
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func TestFindTypeAliases(t *testing.T) {
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tests := []struct {
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name string
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fileContent string
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wantAliases map[string]string
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}{
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{
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name: "finds simple type alias",
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fileContent: `package test
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type RpmArchive RpmDBEntry
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type DpkgArchiveEntry DpkgDBEntry
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`,
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wantAliases: map[string]string{
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"RpmArchive": "RpmDBEntry",
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"DpkgArchiveEntry": "DpkgDBEntry",
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},
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},
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{
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name: "ignores struct definitions",
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fileContent: `package test
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type MyStruct struct {
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Field string
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}
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type AliasType BaseType
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`,
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wantAliases: map[string]string{
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"AliasType": "BaseType",
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},
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},
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{
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name: "ignores interface definitions",
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fileContent: `package test
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type MyInterface interface {
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Method()
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}
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type AliasType BaseType
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`,
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wantAliases: map[string]string{
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"AliasType": "BaseType",
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},
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},
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{
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name: "handles multiple files",
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fileContent: `package test
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type Alias1 Base1
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type Alias2 Base2
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`,
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wantAliases: map[string]string{
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"Alias1": "Base1",
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"Alias2": "Base2",
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// create temp dir
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tmpDir := t.TempDir()
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// write test file
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testFile := filepath.Join(tmpDir, "test.go")
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err := os.WriteFile(testFile, []byte(tt.fileContent), 0644)
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require.NoError(t, err)
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// run function
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aliases := findTypeAliases(tmpDir)
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// verify
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assert.Equal(t, tt.wantAliases, aliases)
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})
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}
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}
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func TestHasDescriptionInAlternatives(t *testing.T) {
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tests := []struct {
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name string
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schema *jsonschema.Schema
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want bool
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}{
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{
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name: "returns true when oneOf has description",
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schema: &jsonschema.Schema{
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OneOf: []*jsonschema.Schema{
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{Description: "First alternative"},
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{Type: "null"},
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},
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},
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want: true,
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},
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{
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name: "returns true when anyOf has description",
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schema: &jsonschema.Schema{
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AnyOf: []*jsonschema.Schema{
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{Description: "First alternative"},
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{Type: "null"},
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},
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},
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want: true,
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},
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{
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name: "returns false when no alternatives have descriptions",
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schema: &jsonschema.Schema{
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OneOf: []*jsonschema.Schema{
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{Type: "integer"},
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{Type: "null"},
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},
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},
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want: false,
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},
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{
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name: "returns false when no oneOf or anyOf",
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schema: &jsonschema.Schema{
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Type: "string",
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},
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want: false,
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},
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{
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name: "returns true when any alternative in oneOf has description",
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schema: &jsonschema.Schema{
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OneOf: []*jsonschema.Schema{
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{Type: "integer"},
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{Type: "string", Description: "Second alternative"},
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{Type: "null"},
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},
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},
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want: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := hasDescriptionInAlternatives(tt.schema)
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assert.Equal(t, tt.want, got)
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})
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}
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}
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func TestWarnMissingDescriptions(t *testing.T) {
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tests := []struct {
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name string
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schema *jsonschema.Schema
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metadataNames []string
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wantTypeWarnings int
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wantFieldWarnings int
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}{
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{
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name: "no warnings when all types have descriptions",
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schema: &jsonschema.Schema{
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Definitions: map[string]*jsonschema.Schema{
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"TypeA": {
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Description: "Type A description",
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Properties: newOrderedMap(map[string]*jsonschema.Schema{
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"field1": {Type: "string", Description: "Field 1"},
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}),
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},
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},
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},
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metadataNames: []string{"TypeA"},
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wantTypeWarnings: 0,
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wantFieldWarnings: 0,
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},
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{
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name: "warns about missing type description",
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schema: &jsonschema.Schema{
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Definitions: map[string]*jsonschema.Schema{
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"TypeA": {
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Properties: newOrderedMap(map[string]*jsonschema.Schema{
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"field1": {Type: "string", Description: "Field 1"},
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}),
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},
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},
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},
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metadataNames: []string{"TypeA"},
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wantTypeWarnings: 1,
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wantFieldWarnings: 0,
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},
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{
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name: "warns about missing field description",
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schema: &jsonschema.Schema{
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Definitions: map[string]*jsonschema.Schema{
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"TypeA": {
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Description: "Type A description",
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Properties: newOrderedMap(map[string]*jsonschema.Schema{
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"field1": {Type: "string"},
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}),
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},
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},
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},
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metadataNames: []string{"TypeA"},
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wantTypeWarnings: 0,
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wantFieldWarnings: 1,
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},
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{
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name: "skips fields with references",
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schema: &jsonschema.Schema{
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Definitions: map[string]*jsonschema.Schema{
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"TypeA": {
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Description: "Type A description",
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Properties: newOrderedMap(map[string]*jsonschema.Schema{
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"field1": {Ref: "#/$defs/OtherType"},
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}),
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},
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},
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},
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metadataNames: []string{"TypeA"},
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wantTypeWarnings: 0,
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wantFieldWarnings: 0,
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},
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{
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name: "skips fields with items that are references",
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schema: &jsonschema.Schema{
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Definitions: map[string]*jsonschema.Schema{
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"TypeA": {
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Description: "Type A description",
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Properties: newOrderedMap(map[string]*jsonschema.Schema{
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"field1": {
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Type: "array",
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Items: &jsonschema.Schema{Ref: "#/$defs/OtherType"},
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},
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}),
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},
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},
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},
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metadataNames: []string{"TypeA"},
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wantTypeWarnings: 0,
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wantFieldWarnings: 0,
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},
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{
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name: "skips fields with oneOf containing descriptions",
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schema: &jsonschema.Schema{
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Definitions: map[string]*jsonschema.Schema{
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"TypeA": {
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Description: "Type A description",
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Properties: newOrderedMap(map[string]*jsonschema.Schema{
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"field1": {
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OneOf: []*jsonschema.Schema{
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{Type: "integer", Description: "Integer value"},
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{Type: "null"},
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},
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},
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}),
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},
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},
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},
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metadataNames: []string{"TypeA"},
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wantTypeWarnings: 0,
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wantFieldWarnings: 0,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// capture stderr output would require more complex testing
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// for now, just verify the function runs without panicking
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require.NotPanics(t, func() {
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warnMissingDescriptions(tt.schema, tt.metadataNames)
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})
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})
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}
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}
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// helper to create an ordered map from a regular map
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func newOrderedMap(m map[string]*jsonschema.Schema) *orderedmap.OrderedMap {
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om := orderedmap.New()
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for k, v := range m {
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om.Set(k, v)
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}
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return om
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}
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