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141 lines
3.9 KiB
Markdown
141 lines
3.9 KiB
Markdown
[](https://travis-ci.org/franela/goblin)
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Goblin
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======
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A [Mocha](http://visionmedia.github.io/mocha/) like BDD testing framework for Go
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No extensive documentation nor complicated steps to get it running
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Run tests as usual with `go test`
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Colorful reports and beautiful syntax
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Why Goblin?
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-----------
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Inspired by the flexibility and simplicity of Node BDD and frustrated by the
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rigorousness of Go way of testing, we wanted to bring a new tool to
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write self-describing and comprehensive code.
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What do I get with it?
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----------------------
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- Preserve the exact same syntax and behaviour as Node's Mocha
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- Nest as many `Describe` and `It` blocks as you want
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- Use `Before`, `BeforeEach`, `After` and `AfterEach` for setup and teardown your tests
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- No need to remember confusing parameters in `Describe` and `It` blocks
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- Use a declarative and expressive language to write your tests
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- Plug different assertion libraries ([Gomega](https://github.com/onsi/gomega) supported so far)
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- Skip your tests the same way as you would do in Mocha
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- Automatic terminal support for colored outputs
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- Two line setup is all you need to get up running
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How do I use it?
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----------------
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Since ```go test``` is not currently extensive, you will have to hook Goblin to it. You do that by
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adding a single test method in your test file. All your goblin tests will be implemented inside this function.
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```go
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package foobar
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import (
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"testing"
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. "github.com/franela/goblin"
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)
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func Test(t *testing.T) {
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g := Goblin(t)
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g.Describe("Numbers", func() {
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g.It("Should add two numbers ", func() {
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g.Assert(1+1).Equal(2)
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})
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g.It("Should match equal numbers", func() {
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g.Assert(2).Equal(4)
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})
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g.It("Should substract two numbers")
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})
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}
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```
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Ouput will be something like:
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Nice and easy, right?
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Can I do asynchronous tests?
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----------------------------
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Yes! Goblin will help you to test asynchronous things, like goroutines, etc. You just need to add a ```done``` parameter to the handler function of your ```It```. This handler function should be called when your test passes.
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```go
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...
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g.Describe("Numbers", func() {
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g.It("Should add two numbers asynchronously", func(done Done) {
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go func() {
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g.Assert(1+1).Equal(2)
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done()
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}()
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})
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})
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...
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```
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Goblin will wait for the ```done``` call, a ```Fail``` call or any false assertion.
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How do I use it with Gomega?
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----------------------------
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Gomega is a nice assertion framework. But it doesn't provide a nice way to hook it to testing frameworks. It should just panic instead of requiring a fail function. There is an issue about that [here](https://github.com/onsi/gomega/issues/5).
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While this is being discussed and hopefully fixed, the way to use Gomega with Goblin is:
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```go
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package foobar
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import (
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"testing"
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. "github.com/franela/goblin"
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. "github.com/onsi/gomega"
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)
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func Test(t *testing.T) {
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g := Goblin(t)
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//special hook for gomega
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RegisterFailHandler(func(m string, _ ...int) { g.Fail(m) })
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g.Describe("lala", func() {
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g.It("lslslslsls", func() {
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Expect(1).To(Equal(10))
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})
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})
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}
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```
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FAQ:
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----
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### How do I run specific tests?
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If `-goblin.run=$REGES` is supplied to the `go test` command then only tests that match the supplied regex will run
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TODO:
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-----
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We do have a couple of [issues](https://github.com/franela/goblin/issues) pending we'll be addressing soon. But feel free to
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contribute and send us PRs (with tests please :smile:).
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Contributions:
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------------
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Special thanks to [Leandro Reox](https://github.com/leandroreox) (Leitan) for the goblin logo.
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