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package gitlabnet
import (
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitlab-shell/go/internal/config"
"gitlab.com/gitlab-org/gitlab-shell/go/internal/gitlabnet/testserver"
)
func TestClients(t *testing.T) {
requests := []testserver.TestRequestHandler{
{
Path: "/api/v4/internal/hello",
Handler: func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, http.MethodGet, r.Method)
fmt.Fprint(w, "Hello")
},
},
{
Path: "/api/v4/internal/post_endpoint",
Handler: func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, http.MethodPost, r.Method)
b, err := ioutil.ReadAll(r.Body)
defer r.Body.Close()
require.NoError(t, err)
fmt.Fprint(w, "Echo: "+string(b))
},
},
{
Path: "/api/v4/internal/auth",
Handler: func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, r.Header.Get(secretHeaderName))
},
},
{
Path: "/api/v4/internal/error",
Handler: func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusBadRequest)
body := map[string]string{
"message": "Don't do that",
}
json.NewEncoder(w).Encode(body)
},
},
{
Path: "/api/v4/internal/broken",
Handler: func(w http.ResponseWriter, r *http.Request) {
panic("Broken")
},
},
}
testCases := []struct {
desc string
secret string
server func([]testserver.TestRequestHandler) (func(), string, error)
}{
{
desc: "Socket client",
secret: "sssh, it's a secret",
server: testserver.StartSocketHttpServer,
},
{
desc: "Http client",
secret: "sssh, it's a secret",
server: testserver.StartHttpServer,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
cleanup, url, err := tc.server(requests)
defer cleanup()
require.NoError(t, err)
client, err := GetClient(&config.Config{GitlabUrl: url, Secret: tc.secret})
require.NoError(t, err)
testBrokenRequest(t, client)
testSuccessfulGet(t, client)
testSuccessfulPost(t, client)
testMissing(t, client)
testErrorMessage(t, client)
testAuthenticationHeader(t, client)
})
}
}
func testSuccessfulGet(t *testing.T, client *GitlabClient) {
t.Run("Successful get", func(t *testing.T) {
response, err := client.Get("/hello")
defer response.Body.Close()
require.NoError(t, err)
require.NotNil(t, response)
responseBody, err := ioutil.ReadAll(response.Body)
assert.NoError(t, err)
assert.Equal(t, string(responseBody), "Hello")
})
}
func testSuccessfulPost(t *testing.T, client *GitlabClient) {
t.Run("Successful Post", func(t *testing.T) {
data := map[string]string{"key": "value"}
response, err := client.Post("/post_endpoint", data)
defer response.Body.Close()
require.NoError(t, err)
require.NotNil(t, response)
responseBody, err := ioutil.ReadAll(response.Body)
assert.NoError(t, err)
assert.Equal(t, "Echo: {\"key\":\"value\"}", string(responseBody))
})
}
func testMissing(t *testing.T, client *GitlabClient) {
t.Run("Missing error for GET", func(t *testing.T) {
response, err := client.Get("/missing")
assert.EqualError(t, err, "Internal API error (404)")
assert.Nil(t, response)
})
t.Run("Missing error for POST", func(t *testing.T) {
response, err := client.Post("/missing", map[string]string{})
assert.EqualError(t, err, "Internal API error (404)")
assert.Nil(t, response)
})
}
func testErrorMessage(t *testing.T, client *GitlabClient) {
t.Run("Error with message for GET", func(t *testing.T) {
response, err := client.Get("/error")
assert.EqualError(t, err, "Don't do that")
assert.Nil(t, response)
})
t.Run("Error with message for POST", func(t *testing.T) {
response, err := client.Post("/error", map[string]string{})
assert.EqualError(t, err, "Don't do that")
assert.Nil(t, response)
})
}
func testBrokenRequest(t *testing.T, client *GitlabClient) {
t.Run("Broken request for GET", func(t *testing.T) {
response, err := client.Get("/broken")
assert.EqualError(t, err, "Internal API unreachable")
assert.Nil(t, response)
})
t.Run("Broken request for POST", func(t *testing.T) {
response, err := client.Post("/broken", map[string]string{})
assert.EqualError(t, err, "Internal API unreachable")
assert.Nil(t, response)
})
}
func testAuthenticationHeader(t *testing.T, client *GitlabClient) {
t.Run("Authentication headers for GET", func(t *testing.T) {
response, err := client.Get("/auth")
defer response.Body.Close()
require.NoError(t, err)
require.NotNil(t, response)
responseBody, err := ioutil.ReadAll(response.Body)
require.NoError(t, err)
header, err := base64.StdEncoding.DecodeString(string(responseBody))
require.NoError(t, err)
assert.Equal(t, "sssh, it's a secret", string(header))
})
t.Run("Authentication headers for POST", func(t *testing.T) {
response, err := client.Post("/auth", map[string]string{})
defer response.Body.Close()
require.NoError(t, err)
require.NotNil(t, response)
responseBody, err := ioutil.ReadAll(response.Body)
require.NoError(t, err)
header, err := base64.StdEncoding.DecodeString(string(responseBody))
require.NoError(t, err)
assert.Equal(t, "sssh, it's a secret", string(header))
})
}
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