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https://github.com/c910335/mass-spec
Web API testing library
https://github.com/c910335/mass-spec
crystal testing
Last synced: about 2 months ago
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Web API testing library
- Host: GitHub
- URL: https://github.com/c910335/mass-spec
- Owner: c910335
- License: mit
- Created: 2018-04-25T11:21:01.000Z (about 6 years ago)
- Default Branch: master
- Last Pushed: 2023-06-21T12:03:40.000Z (about 1 year ago)
- Last Synced: 2024-02-01T15:54:38.629Z (5 months ago)
- Topics: crystal, testing
- Language: Crystal
- Homepage:
- Size: 40 KB
- Stars: 8
- Watchers: 2
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Lists
- awesome-crystal - mass-spec - Web API testing library (Testing)
- awesome-crystal - mass-spec - Web API testing library (Testing)
- awesome-crystal - mass-spec - Web API testing library (Testing)
README
# Mass Spec
[](https://github.com/c910335/mass-spec/actions/workflows/crystal.yml)
[](https://github.com/c910335/mass-spec/releases)
[](https://github.com/c910335/mass-spec/blob/master/LICENSE)
Web API testing library
Mass Spec prevents [`HTTP::Server`](https://crystal-lang.org/api/latest/HTTP/Server.html) from starting a [`TCPServer`](https://crystal-lang.org/api/latest/TCPServer.html) and use [`IO::Memory`](https://crystal-lang.org/api/latest/IO/Memory.html) instead of [`TCPSocket`](https://crystal-lang.org/api/latest/TCPSocket.html) for fast testing.
Since Mass Spec works with standard library, it can easily support the frameworks based on [`HTTP::Server`](https://crystal-lang.org/api/latest/HTTP/Server.html).
## Installation
Add this to your application's `shard.yml`:
```yaml
development_dependencies:
mass_spec:
github: c910335/mass-spec
```
## Usage
```crystal
require "spec"
require "mass_spec"
include MassSpec::GlobalDSL
server = HTTP::Server.new do |context|
context.response.content_type = "application/json"
context.response.print(context.request.body.try &.gets_to_end)
end
server.listen
describe "Server" do
it "echoes in json" do
post("/", body: {
"Khassar de templari!" => "From order comes justice!",
"Adun Toridas!" => "Adun hide you",
"Nahda gahla" => nil,
}.to_json)
status_code.should eq(200)
headers.should contain({"Content-Type", ["application/json"]})
body.should eq(%({"Khassar de templari!":"From order comes justice!","Adun Toridas!":"Adun hide you","Nahda gahla":null}))
json_body.should eq({
"Khassar de templari!" => "From order comes justice!",
"Adun Toridas!" => "Adun hide you",
"Nahda gahla" => nil,
})
json_body.should contain({
"Khassar de templari!" => "From order comes justice!",
"Adun Toridas!" => String,
})
json_body.should match({
"Khassar de templari!" => String,
"Adun Toridas!" => "Adun hide you",
"Nahda gahla" => Nil,
})
end
end
```
### Making Requests
Mass Spec supports the following HTTP verbs via [`HTTP::Client`](https://crystal-lang.org/api/latest/HTTP/Client.html), and the usage of them is the same as [`HTTP::Client`](https://crystal-lang.org/api/latest/HTTP/Client.html).
- [`#get`](https://crystal-lang.org/api/latest/HTTP/Client.html#get%28path%2Cheaders%3AHTTP%3A%3AHeaders%3F%3Dnil%2C%2A%2Cform%3AHash%28String%2CString%29%7CNamedTuple%29%3AHTTP%3A%3AClient%3A%3AResponse-instance-method)
- [`#head`](https://crystal-lang.org/api/latest/HTTP/Client.html#head%28path%2Cheaders%3AHTTP%3A%3AHeaders%3F%3Dnil%2C%2A%2Cform%3AHash%28String%2CString%29%7CNamedTuple%29%3AHTTP%3A%3AClient%3A%3AResponse-instance-method)
- [`#post`](https://crystal-lang.org/api/latest/HTTP/Client.html#post%28path%2Cheaders%3AHTTP%3A%3AHeaders%3F%3Dnil%2C%2A%2Cform%3AHash%28String%2CString%29%7CNamedTuple%29%3AHTTP%3A%3AClient%3A%3AResponse-instance-method)
- [`#put`](https://crystal-lang.org/api/latest/HTTP/Client.html#put%28path%2Cheaders%3AHTTP%3A%3AHeaders%3F%3Dnil%2Cbody%3ABodyType%3Dnil%2C%26block%29-instance-method)
- [`#patch`](https://crystal-lang.org/api/latest/HTTP/Client.html#patch%28path%2Cheaders%3AHTTP%3A%3AHeaders%3F%3Dnil%2C%2A%2Cform%3AHash%28String%2CString%29%7CNamedTuple%29%3AHTTP%3A%3AClient%3A%3AResponse-instance-method)
- [`#delete`](https://crystal-lang.org/api/latest/HTTP/Client.html#delete%28path%2Cheaders%3AHTTP%3A%3AHeaders%3F%3Dnil%2Cbody%3ABodyType%3Dnil%29%3AHTTP%3A%3AClient%3A%3AResponse-instance-method)
### Handling Responses
After a request, you can access these getters.
- response : [`HTTP::Client::Response`](https://crystal-lang.org/api/latest/HTTP/Client/Response.html)
- status_code : [`Int32`](https://crystal-lang.org/api/latest/Int32.html)
- headers : [`HTTP::Headers`](https://crystal-lang.org/api/latest/HTTP/Headers.html)
- body : [`String`](https://crystal-lang.org/api/latest/String.html)
- json_body : [`JSON::Any`](https://crystal-lang.org/api/latest/JSON/Any.html) - The body parsed as [`JSON::Any`](https://crystal-lang.org/api/latest/JSON/Any.html)
### Expectations
Besides built-in expectations, Mass Spec also provides `contain` and `match` for `JSON::Any`.
```crystal
json = JSON.parse(%({"array":[1,2,3],"number":1,"float_number":1.5,"string":"str","null":null,"hash":{"a":1}}))
describe "contain with JSON::Any" do
it "checks whether json contains the values or types" do
json.should contain({
"array" => Array,
"number" => 1,
"hash" => {"a" => Int64},
})
end
end
describe "match with JSON::Any" do
it "checks whether json matches the values or types" do
json.should match({
"array" => [1, 2, 3],
"number" => Int64,
"float_number" => 1.5,
"string" => String,
"null" => nil,
"hash" => Hash,
})
end
end
```
### Configuration
You can specify `headers` that will be applied to every requests.
```crystal
MassSpec.configure do
headers({"Authorization" => "Bearer some_access_token"})
end
```
### Frameworks
#### [Kemal](https://github.com/kemalcr/kemal)
Kemal doesn't run `HTTP::Server#listen` when `ENV["KEMAL_ENV"]` is `"test"`, so you need to set `MassSpec.server` manually.
```crystal
# src/your_app.cr
require "kemal"
get "/hello" do
{hello: "kemal"}.to_json
end
Kemal.run
# spec/spec_helper.cr
ENV["KEMAL_ENV"] = "test"
require "spec"
require "mass_spec"
require "../src/*"
include MassSpec::GlobalDSL
Kemal.run do |config|
MassSpec.server = config.server.not_nil! # set `MassSpec.server` manually
end
# spec/your_app_spec.cr
require "./spec_helper"
describe "GET /hello" do
it "says hello to Kemal" do
get "/hello"
json_body.should eq({"hello" => "kemal"})
end
end
```
#### [Amber](https://github.com/amberframework/amber)
```crystal
# src/controllers/hello_controller.cr
class HelloController < Amber::Controller::Base
def hello
respond_with { json({"hello" => "amber"}) }
end
end
# config/routes.cr
Amber::Server.configure do
routes :web do
get "/hello", HelloController, :hello
end
end
# spec/spec_helper.cr
ENV["AMBER_ENV"] = "test"
require "spec"
require "mass_spec"
require "../src/*" # not `require "../config/*"`
include MassSpec::GlobalDSL
# spec/controllers/spec_helper.cr
require "../spec_helper"
# spec/controllers/hello_controller_spec.cr
require "./spec_helper"
describe HelloController do
describe "GET #hello" do
it "says hello to Amber" do
get "/hello"
json_body.should eq({"hello" => "amber"})
end
end
end
```
## Contributing
1. Fork it ( https://github.com/c910335/mass-spec/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request
## Contributors
- [c910335](https://github.com/c910335) Tatsiujin Chin - creator, maintainer