h2non / Baloo
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baloo 
Expressive and versatile end-to-end HTTP API testing made easy in Go (golang), built on top of gentleman HTTP client toolkit.
Take a look to the examples to get started.
Features
- Versatile built-in expectations.
- Extensible custom expectations.
- Declarative, expressive, fluent API.
- Response body matching and strict equality expectations.
- Deep JSON comparison.
- JSON Schema validation.
- Full-featured HTTP client built on top of gentleman toolkit.
- Intuitive and semantic HTTP client DSL.
- Easy to configure and use.
- Composable chainable assertions.
- Works with Go's
testingpackage (more test engines might be added in the future). - Convenient helpers and abstractions over Go's HTTP primitives.
- Middleware-oriented via gentleman's middleware layer.
- Extensible and hackable API.
Versions
-
v3 - Latest stable version with better JSON assertion. Uses
[email protected]. Recommended. -
v2 - Stable version. Uses
[email protected]. -
v1 - First version. Stable. Uses
[email protected]. Actively maintained.
Installation
go get -u gopkg.in/h2non/baloo.v3
Requirements
- Go 1.7+
Examples
See examples directory for featured examples.
Simple request expectation
package simple
import (
"testing"
"gopkg.in/h2non/baloo.v3"
)
// test stores the HTTP testing client preconfigured
var test = baloo.New("http://httpbin.org")
func TestBalooSimple(t *testing.T) {
test.Get("/get").
SetHeader("Foo", "Bar").
Expect(t).
Status(200).
Header("Server", "apache").
Type("json").
JSON(map[string]string{"bar": "foo"}).
Done()
}
Custom assertion function
package custom_assertion
import (
"errors"
"net/http"
"testing"
"gopkg.in/h2non/baloo.v3"
)
// test stores the HTTP testing client preconfigured
var test = baloo.New("http://httpbin.org")
// assert implements an assertion function with custom validation logic.
// If the assertion fails it should return an error.
func assert(res *http.Response, req *http.Request) error {
if res.StatusCode >= 400 {
return errors.New("Invalid server response (> 400)")
}
return nil
}
func TestBalooClient(t *testing.T) {
test.Post("/post").
SetHeader("Foo", "Bar").
JSON(map[string]string{"foo": "bar"}).
Expect(t).
Status(200).
Type("json").
AssertFunc(assert).
Done()
}
JSON Schema assertion
package json_schema
import (
"testing"
"gopkg.in/h2non/baloo.v3"
)
const schema = `{
"title": "Example Schema",
"type": "object",
"properties": {
"origin": {
"type": "string"
}
},
"required": ["origin"]
}`
// test stores the HTTP testing client preconfigured
var test = baloo.New("http://httpbin.org")
func TestJSONSchema(t *testing.T) {
test.Get("/ip").
Expect(t).
Status(200).
Type("json").
JSONSchema(schema).
Done()
}
Custom global assertion by alias
package alias_assertion
import (
"errors"
"net/http"
"testing"
"gopkg.in/h2non/baloo.v3"
)
// test stores the HTTP testing client preconfigured
var test = baloo.New("http://httpbin.org")
func assert(res *http.Response, req *http.Request) error {
if res.StatusCode >= 400 {
return errors.New("Invalid server response (> 400)")
}
return nil
}
func init() {
// Register assertion function at global level
baloo.AddAssertFunc("test", assert)
}
func TestBalooClient(t *testing.T) {
test.Post("/post").
SetHeader("Foo", "Bar").
JSON(map[string]string{"foo": "bar"}).
Expect(t).
Status(200).
Type("json").
Assert("test").
Done()
}
API
See godoc reference for detailed API documentation.
HTTP assertions
Status(code int)
Asserts the response HTTP status code to be equal.
StatusRange(start, end int)
Asserts the response HTTP status to be within the given numeric range.
StatusOk()
Asserts the response HTTP status to be a valid server response (>= 200 && < 400).
StatusError()
Asserts the response HTTP status to be a valid clint/server error response (>= 400 && < 600).
StatusServerError()
Asserts the response HTTP status to be a valid server error response (>= 500 && < 600).
StatusClientError()
Asserts the response HTTP status to be a valid client error response (>= 400 && < 500).
Type(kind string)
Asserts the Content-Type header. MIME type aliases can be used as kind argument.
Supported aliases: json, xml, html, form, text and urlencoded.
Header(key, value string)
Asserts a response header field value matches.
Regular expressions can be used as value to perform the specific assertions.
HeaderEquals(key, value string)
Asserts a response header field with the given value.
HeaderNotEquals(key, value string)
Asserts that a response header field is not equal to the given value.
HeaderPresent(key string)
Asserts if a header field is present in the response.
HeaderNotPresent(key string)
Asserts if a header field is not present in the response.
BodyEquals(value string)
Asserts a response body as string using strict comparison.
Regular expressions can be used as value to perform the specific assertions.
BodyMatchString(pattern string)
Asserts a response body matching a string expression.
Regular expressions can be used as value to perform the specific assertions.
BodyLength(length int)
Asserts the response body length.
JSON(match interface{})
Asserts the response body with the given JSON struct.
JSONSchema(schema string)
Asserts the response body againts the given JSON schema definition.
data argument can be a string containing the JSON schema, a file path
or an URL pointing to the JSON schema definition.
Assert(alias string)
Assert adds a new assertion function by alias name.
Assertion function must be previosly registered via baloo.AddAssertFunc("alias", function).
See an example here.
AssertFunc(func (*http.Response, *http.Request) error)
Adds a new custom assertion function who should return an detailed error in case that the assertion fails.
Development
Clone this repository:
git clone https://github.com/h2non/baloo.git && cd baloo
Install dependencies:
go get -u ./...
Run tests:
go test ./...
Lint code:
go test ./...
Run example:
go test ./_examples/simple/simple_test.go
License
MIT - Tomas Aparicio