blob: 10bbbe811de620e988056d3e5a56dbce05d84dac [file] [log] [blame]
package client // import "github.com/docker/docker/client"
import (
"context"
"errors"
"io/ioutil"
"net/http"
"strings"
"testing"
"gotest.tools/assert"
is "gotest.tools/assert/cmp"
)
// TestPingFail tests that when a server sends a non-successful response that we
// can still grab API details, when set.
// Some of this is just exercising the code paths to make sure there are no
// panics.
func TestPingFail(t *testing.T) {
var withHeader bool
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
resp := &http.Response{StatusCode: http.StatusInternalServerError}
if withHeader {
resp.Header = http.Header{}
resp.Header.Set("API-Version", "awesome")
resp.Header.Set("Docker-Experimental", "true")
}
resp.Body = ioutil.NopCloser(strings.NewReader("some error with the server"))
return resp, nil
}),
}
ping, err := client.Ping(context.Background())
assert.Check(t, is.ErrorContains(err, ""))
assert.Check(t, is.Equal(false, ping.Experimental))
assert.Check(t, is.Equal("", ping.APIVersion))
withHeader = true
ping2, err := client.Ping(context.Background())
assert.Check(t, is.ErrorContains(err, ""))
assert.Check(t, is.Equal(true, ping2.Experimental))
assert.Check(t, is.Equal("awesome", ping2.APIVersion))
}
// TestPingWithError tests the case where there is a protocol error in the ping.
// This test is mostly just testing that there are no panics in this code path.
func TestPingWithError(t *testing.T) {
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
resp := &http.Response{StatusCode: http.StatusInternalServerError}
resp.Header = http.Header{}
resp.Header.Set("API-Version", "awesome")
resp.Header.Set("Docker-Experimental", "true")
resp.Body = ioutil.NopCloser(strings.NewReader("some error with the server"))
return resp, errors.New("some error")
}),
}
ping, err := client.Ping(context.Background())
assert.Check(t, is.ErrorContains(err, ""))
assert.Check(t, is.Equal(false, ping.Experimental))
assert.Check(t, is.Equal("", ping.APIVersion))
}
// TestPingSuccess tests that we are able to get the expected API headers/ping
// details on success.
func TestPingSuccess(t *testing.T) {
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
resp := &http.Response{StatusCode: http.StatusInternalServerError}
resp.Header = http.Header{}
resp.Header.Set("API-Version", "awesome")
resp.Header.Set("Docker-Experimental", "true")
resp.Body = ioutil.NopCloser(strings.NewReader("some error with the server"))
return resp, nil
}),
}
ping, err := client.Ping(context.Background())
assert.Check(t, is.ErrorContains(err, ""))
assert.Check(t, is.Equal(true, ping.Experimental))
assert.Check(t, is.Equal("awesome", ping.APIVersion))
}