add basic test infrastructure

Signed-off-by: Antonio Murdaca <runcom@redhat.com>

integration/check_test.go

@@ -0,0 +1,123 @@
+package main
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+	"testing"
+
+	"github.com/go-check/check"
+)
+
+const (
+	privateRegistryURL0 = "127.0.0.1:5000"
+	privateRegistryURL1 = "127.0.0.1:5001"
+	privateRegistryURL2 = "127.0.0.1:5002"
+	privateRegistryURL3 = "127.0.0.1:5003"
+	privateRegistryURL4 = "127.0.0.1:5004"
+
+	skopeoBinary = "skopeo"
+)
+
+func Test(t *testing.T) {
+	check.TestingT(t)
+}
+
+func init() {
+	check.Suite(&SkopeoSuite{})
+}
+
+type SkopeoSuite struct {
+	regV1         *testRegistryV1
+	regV2         *testRegistryV2
+	regV2Shema1   *testRegistryV2
+	regV1WithAuth *testRegistryV1
+	regV2WithAuth *testRegistryV2
+}
+
+func (s *SkopeoSuite) SetUpSuite(c *check.C) {
+
+}
+
+func (s *SkopeoSuite) TearDownSuite(c *check.C) {
+
+}
+
+func (s *SkopeoSuite) SetUpTest(c *check.C) {
+	_, err := exec.LookPath(skopeoBinary)
+	c.Assert(err, check.IsNil)
+
+	s.regV1 = setupRegistryV1At(c, privateRegistryURL0, false) // not used
+	s.regV2 = setupRegistryV2At(c, privateRegistryURL1, false, false)
+	s.regV2Shema1 = setupRegistryV2At(c, privateRegistryURL2, false, true)
+	s.regV1WithAuth = setupRegistryV1At(c, privateRegistryURL3, true) // not used
+	s.regV2WithAuth = setupRegistryV2At(c, privateRegistryURL4, true, false)
+}
+
+func (s *SkopeoSuite) TearDownTest(c *check.C) {
+	// not checking V1 registries now...
+	if s.regV2 != nil {
+		s.regV2.Close()
+	}
+	if s.regV2Shema1 != nil {
+		s.regV2Shema1.Close()
+	}
+	if s.regV2WithAuth != nil {
+		//cmd := exec.Command("docker", "logout", s.regV2WithAuth)
+		//c.Assert(cmd.Run(), check.IsNil)
+		s.regV2WithAuth.Close()
+	}
+}
+
+// TODO like dockerCmd but much easier, just out,err
+//func skopeoCmd()
+
+func (s *SkopeoSuite) TestVersion(c *check.C) {
+	out, err := exec.Command(skopeoBinary, "--version").CombinedOutput()
+	c.Assert(err, check.IsNil, check.Commentf(string(out)))
+	wanted := skopeoBinary + " version "
+	if !strings.Contains(string(out), wanted) {
+		c.Fatalf("wanted %s, got %s", wanted, string(out))
+	}
+}
+
+func (s *SkopeoSuite) TestCanAuthToPrivateRegistryV2WithoutDockerCfg(c *check.C) {
+	out, err := exec.Command(skopeoBinary, "--docker-cfg=''", "--username="+s.regV2WithAuth.username, "--password="+s.regV2WithAuth.password, fmt.Sprintf("%s/busybox:latest", s.regV2WithAuth.url)).CombinedOutput()
+	c.Assert(err, check.NotNil, check.Commentf(string(out)))
+	wanted := "falling back to --username and --password if needed"
+	if !strings.Contains(string(out), wanted) {
+		c.Fatalf("wanted %s, got %s", wanted, string(out))
+	}
+	wanted = "Error: image busybox not found"
+	if !strings.Contains(string(out), wanted) {
+		c.Fatalf("wanted %s, got %s", wanted, string(out))
+	}
+}
+
+func (s *SkopeoSuite) TestNeedAuthToPrivateRegistryV2WithoutDockerCfg(c *check.C) {
+	out, err := exec.Command(skopeoBinary, "--docker-cfg=''", fmt.Sprintf("%s/busybox:latest", s.regV2WithAuth.url)).CombinedOutput()
+	c.Assert(err, check.NotNil, check.Commentf(string(out)))
+	wanted := "falling back to --username and --password if needed"
+	if !strings.Contains(string(out), wanted) {
+		c.Fatalf("wanted %s, got %s", wanted, string(out))
+	}
+	wanted = "no basic auth credentials"
+	if !strings.Contains(string(out), wanted) {
+		c.Fatalf("wanted %s, got %s", wanted, string(out))
+	}
+}
+
+// TODO(runcom): as soon as we can push to registries ensure you can inspect here
+// not just get image not found :)
+func (s *SkopeoSuite) TestNoNeedAuthToPrivateRegistryV2ImageNotFound(c *check.C) {
+	out, err := exec.Command(skopeoBinary, fmt.Sprintf("%s/busybox:latest", s.regV2.url)).CombinedOutput()
+	c.Assert(err, check.NotNil, check.Commentf(string(out)))
+	wanted := "Error: image busybox not found"
+	if !strings.Contains(string(out), wanted) {
+		c.Fatalf("wanted %s, got %s", wanted, string(out))
+	}
+	wanted = "no basic auth credentials"
+	if strings.Contains(string(out), wanted) {
+		c.Fatalf("not wanted %s, got %s", wanted, string(out))
+	}
+}