Generate mock build constraints

Supported only the new format of build tags https://pkg.go.dev/cmd/go#hdr-Build_constraints Fixes #691
vektra · Jan 10, 2024 · 1c18f44 · 1c18f44
1 parent b9df18e
commit 1c18f44
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Showing 10 changed files with 159 additions and 2 deletions.
diff --git a/.mockery.yaml b/.mockery.yaml
@@ -4,7 +4,14 @@ with-expecter: True
 mockname: "{{.InterfaceName}}"
 filename: "{{.MockName}}.go"
 outpkg: mocks
+tags: "custom2"
 packages:
+  github.com/vektra/mockery/v2/pkg/fixtures/buildtag/comment:
+    config:
+      mock-build-tags: "custom3 && (!windows || !darwin || !freebsd)"
+      disable-version-string: true
+    interfaces:
+      IfaceWithCustomBuildTagInComment:
   github.com/vektra/mockery/v2/pkg:
     interfaces:
       TypesPackage:

diff --git a/cmd/mockery.go b/cmd/mockery.go
@@ -70,7 +70,8 @@ func NewRootCmd() *cobra.Command {
 	pFlags.Bool("version", false, "prints the installed version of mockery")
 	pFlags.Bool("quiet", false, `suppresses logger output (equivalent to --log-level="")`)
 	pFlags.Bool("keeptree", false, "keep the tree structure of the original interface files into a different repository. Must be used with XX")
-	pFlags.String("tags", "", "space-separated list of additional build tags to use")
+	pFlags.String("tags", "", "space-separated list of additional build tags to load packages")
+	pFlags.String("mock-build-tags", "", "set the build tags of the generated mocks. Read more about the format: https://pkg.go.dev/cmd/go#hdr-Build_constraints")
 	pFlags.String("filename", "", "name of generated file (only works with -name and no regex)")
 	pFlags.String("structname", "", "name of generated struct (only works with -name and no regex)")
 	pFlags.String("log-level", "info", "Level of logging")
@@ -376,6 +377,7 @@ func (r *RootApp) Run() error {
 		InPackage:            r.Config.InPackage,
 		KeepTree:             r.Config.KeepTree,
 		Note:                 r.Config.Note,
+		MockBuildTags:        r.Config.MockBuildTags,
 		PackageName:          r.Config.Outpkg,
 		PackageNamePrefix:    r.Config.Packageprefix,
 		StructName:           r.Config.StructName,

diff --git a/docs/configuration.md b/docs/configuration.md
@@ -78,7 +78,8 @@ Parameter Descriptions
 | [`packages`](features.md#packages-configuration)       | :fontawesome-solid-x:     | `#!yaml null`                         | A dictionary containing configuration describing the packages and interfaces to generate mocks for.                                                                                                                                                  |
 | `print`                                                | :fontawesome-solid-x:     | `#!yaml false`                        | Use `print: True` to have the resulting code printed out instead of written to disk.                                                                                                                                                                 |
 | [`recursive`](features.md#recursive-package-discovery) | :fontawesome-solid-x:     | `#!yaml false`                        | When set to `true` on a particular package, mockery will recursively search for all sub-packages and inject those packages into the config map.                                                                                                      |
-| `tags`                                                 | :fontawesome-solid-x:     | `#!yaml ""`                           | Set the build tags of the generated mocks.                                                                                                                                                                                                           |
+| `tags`                                                 | :fontawesome-solid-x:     | `#!yaml ""`                           | A space-separated list of additional build tags to load packages.                                                                                                                                                                                                                |
+| `mock-build-tags`                                       | :fontawesome-solid-x:     | `#!yaml ""`                          | Set the build tags of the generated mocks. Read more about the [format](https://pkg.go.dev/cmd/go#hdr-Build_constraints).                                                                                                                                                        |
 | [`with-expecter`](features.md#expecter-structs)        | :fontawesome-solid-x:     | `#!yaml true`                         | Use `with-expecter: True` to generate `EXPECT()` methods for your mocks. This is the preferred way to setup your mocks.                                                                                                                              |
 | [`replace-type`](features.md#replace-types)            | :fontawesome-solid-x:     | `#!yaml null`                         | Replaces aliases, packages and/or types during generation.                                                                                                                                                                                           |
 

diff --git a/...b.com/vektra/mockery/v2/pkg/fixtures/buildtag/comment/IfaceWithCustomBuildTagInComment.go b/...b.com/vektra/mockery/v2/pkg/fixtures/buildtag/comment/IfaceWithCustomBuildTagInComment.go
diff --git a/pkg/config/config.go b/pkg/config/config.go
@@ -33,6 +33,7 @@ type Interface struct {
 
 type Config struct {
 	All                  bool                   `mapstructure:"all"`
+	MockBuildTags        string                 `mapstructure:"mock-build-tags"`
 	BuildTags            string                 `mapstructure:"tags"`
 	Case                 string                 `mapstructure:"case"`
 	Config               string                 `mapstructure:"config"`

diff --git a/pkg/fixtures/buildtag/comment/custom2_iface.go b/pkg/fixtures/buildtag/comment/custom2_iface.go
@@ -5,4 +5,5 @@ package comment
 
 type IfaceWithCustomBuildTagInComment interface {
 	Sprintf(format string, a ...interface{}) string
+	Custom2()
 }
diff --git a/pkg/generator.go b/pkg/generator.go
@@ -57,6 +57,7 @@ type GeneratorConfig struct {
 	InPackage            bool
 	KeepTree             bool
 	Note                 string
+	MockBuildTags        string
 	PackageName          string
 	PackageNamePrefix    string
 	StructName           string
@@ -111,6 +112,7 @@ func NewGenerator(ctx context.Context, c GeneratorConfig, iface *Interface, pkg
 func (g *Generator) GenerateAll(ctx context.Context) error {
 	g.GenerateBoilerplate(g.config.Boilerplate)
 	g.GeneratePrologueNote(g.config.Note)
+	g.GenerateBuildTags(g.config.MockBuildTags)
 	g.GeneratePrologue(ctx, g.pkg)
 	return g.Generate(ctx)
 }
@@ -418,6 +420,12 @@ func (g *Generator) GenerateBoilerplate(boilerplate string) {
 	}
 }
 
+func (g *Generator) GenerateBuildTags(buildTags string) {
+	if buildTags != "" {
+		g.printf("//go:build %s\n\n", buildTags)
+	}
+}
+
 // ErrNotInterface is returned when the given type is not an interface
 // type.
 var ErrNotInterface = errors.New("expression not an interface")

diff --git a/pkg/generator_test.go b/pkg/generator_test.go
@@ -296,6 +296,17 @@ func (s *GeneratorSuite) TestGeneratorBoilerplate() {
 	s.Equal(expected, generator.buf.String())
 }
 
+func (s *GeneratorSuite) TestGeneratorBuildTags() {
+	generator := s.getGenerator(testFile, "Requester", false, "")
+	generator.GenerateBuildTags("custom && (!windows || !linux)")
+
+	expected := `//go:build custom && (!windows || !linux)
+
+`
+
+	s.Equal(expected, generator.buf.String())
+}
+
 func (s *GeneratorSuite) TestGeneratorPrologueNoteNoVersionString() {
 	generator := s.getGenerator(testFile, "Requester", false, "")
 	generator.config.DisableVersionString = true

diff --git a/pkg/outputter.go b/pkg/outputter.go
@@ -336,6 +336,7 @@ func (m *Outputter) Generate(ctx context.Context, iface *Interface) error {
 			InPackage:            interfaceConfig.InPackage,
 			KeepTree:             interfaceConfig.KeepTree,
 			Note:                 interfaceConfig.Note,
+			MockBuildTags:        interfaceConfig.MockBuildTags,
 			PackageName:          interfaceConfig.Outpkg,
 			PackageNamePrefix:    interfaceConfig.Packageprefix,
 			StructName:           interfaceConfig.MockName,

diff --git a/pkg/walker.go b/pkg/walker.go
@@ -120,6 +120,7 @@ type GeneratorVisitorConfig struct {
 	InPackage            bool
 	KeepTree             bool
 	Note                 string
+	MockBuildTags        string
 	// The name of the output package, if InPackage is false (defaults to "mocks")
 	PackageName       string
 	PackageNamePrefix string
@@ -181,6 +182,7 @@ func (v *GeneratorVisitor) VisitWalk(ctx context.Context, iface *Interface) erro
 		InPackage:            v.config.InPackage,
 		KeepTree:             v.config.KeepTree,
 		Note:                 v.config.Note,
+		MockBuildTags:        v.config.MockBuildTags,
 		PackageName:          v.config.PackageName,
 		PackageNamePrefix:    v.config.PackageNamePrefix,
 		StructName:           v.config.StructName,