Merge pull request #307 from goreleaser/brew-test

homebrew test support

.goreleaser.yml

@@ -29,6 +29,8 @@ brew:
   folder: Formula
   homepage:  http://goreleaser.github.io
   description: Deliver Go binaries as fast and easily as possible
+  test: |
+    system "#{bin}/goreleaser -v"
   dependencies:
     - git
 fpm:

README.md

@@ -377,13 +377,18 @@ brew:
     - svn
     - bash
 
-  # Packages that run as a service
+  # So you can brew test your formula. Default is empty.
-  plist:|
+  plist: |
     <?xml version="1.0" encoding="UTF-8"?>
     ...
 
-  # Custom install script for brew. Default: "bin.install "program"
+  # Packages that run as a service. Default is empty.
-  install:|
+  test: |
+    system "#{bin}/program --version"
+    ...
+
+  # Custom install script for brew. Default is 'bin.install "program"'
+  install: |
     bin.install "program"
     ...
 ```

config/config.go

@@ -35,6 +35,7 @@ type Homebrew struct {
 	Plist        string   `yaml:",omitempty"`
 	Install      string   `yaml:",omitempty"`
 	Dependencies []string `yaml:",omitempty"`
+	Test         string   `yaml:",omitempty"`
 	Conflicts    []string `yaml:",omitempty"`
 	Description  string   `yaml:",omitempty"`
 	Homepage     string   `yaml:",omitempty"`

pipeline/brew/brew.go

@@ -30,12 +30,14 @@ const formula = `class {{ .Name }} < Formula
   version "{{ .Version }}"
   sha256 "{{ .SHA256 }}"
 
+
   {{- if .Dependencies }}
   {{ range $index, $element := .Dependencies }}
   depends_on "{{ . }}"
   {{- end }}
   {{- end }}
 
+
   {{- if .Conflicts }}
   {{ range $index, $element := .Conflicts }}
   conflicts_with "{{ . }}"
@@ -48,18 +50,25 @@ const formula = `class {{ .Name }} < Formula
     {{- end }}
   end
 
-  {{- if .Caveats }}
 
+  {{- if .Caveats }}
   def caveats
     "{{ .Caveats }}"
   end
   {{- end }}
 
-  {{- if .Plist }}
 
+  {{- if .Plist }}
   def plist; <<-EOS.undent
     {{ .Plist }}
-	EOS
+    EOS
+  end
+  {{- end }}
+
+
+  {{- if .Test }}
+  def test
+  {{ .Test }}
   end
   {{- end }}
 end
@@ -79,6 +88,7 @@ type templateData struct {
 	Install      []string
 	Dependencies []string
 	Conflicts    []string
+	Test         string
 }
 
 // Pipe for brew deployment
@@ -168,6 +178,7 @@ func dataFor(ctx *context.Context, client client.Client, folder string) (result
 		Dependencies: ctx.Config.Brew.Dependencies,
 		Conflicts:    ctx.Config.Brew.Conflicts,
 		Plist:        ctx.Config.Brew.Plist,
+		Test:         ctx.Config.Brew.Test,
 		Install:      strings.Split(ctx.Config.Brew.Install, "\n"),
 	}, err
 }

pipeline/brew/brew_test.go

@@ -59,18 +59,21 @@ func TestFullFormulae(t *testing.T) {
 	data.Conflicts = []string{"conflicting_dep"}
 	data.Plist = "it works"
 	data.Install = []string{"custom install script", "another install script"}
+	data.Test = `system "#{bin}/foo -version"`
 	out, err := doBuildFormula(data)
 	assert.NoError(err)
 	formulae := out.String()
 	assertDefaultTemplateData(t, formulae)
 	assert.Contains(formulae, "def caveats")
 	assert.Contains(formulae, "Here are some caveats")
-	assert.Contains(formulae, "depends_on \"gtk\"")
+	assert.Contains(formulae, `depends_on "gtk"`)
-	assert.Contains(formulae, "depends_on \"git\"")
+	assert.Contains(formulae, `depends_on "git"`)
-	assert.Contains(formulae, "conflicts_with \"conflicting_dep\"")
+	assert.Contains(formulae, `conflicts_with "conflicting_dep"`)
 	assert.Contains(formulae, "custom install script")
 	assert.Contains(formulae, "another install script")
 	assert.Contains(formulae, "def plist;")
+	assert.Contains(formulae, "def test")
+	assert.Contains(formulae, `system "#{bin}/foo -version"`)
 }
 
 func TestFormulaeSimple(t *testing.T) {