Default runtime now checks out code on demand (#1563)

* Default runtime now checks out code on demand

* Go mod tidy

runtime/local/git/git_test.go

@@ -0,0 +1,95 @@
+package git
+
+import (
+	"testing"
+)
+
+type parseCase struct {
+	url      string
+	expected *Source
+}
+
+func TestParseSource(t *testing.T) {
+	cases := []parseCase{
+		{
+			url: "helloworld",
+			expected: &Source{
+				Repo:   "github.com/micro/services",
+				Folder: "helloworld",
+				Ref:    "latest",
+			},
+		},
+		{
+			url: "github.com/micro/services/helloworld",
+			expected: &Source{
+				Repo:   "github.com/micro/services",
+				Folder: "helloworld",
+				Ref:    "latest",
+			},
+		},
+		{
+			url: "github.com/micro/services/helloworld@v1.12.1",
+			expected: &Source{
+				Repo:   "github.com/micro/services",
+				Folder: "helloworld",
+				Ref:    "v1.12.1",
+			},
+		},
+		{
+			url: "github.com/micro/services/helloworld@branchname",
+			expected: &Source{
+				Repo:   "github.com/micro/services",
+				Folder: "helloworld",
+				Ref:    "branchname",
+			},
+		},
+		{
+			url: "github.com/crufter/reponame/helloworld@branchname",
+			expected: &Source{
+				Repo:   "github.com/crufter/reponame",
+				Folder: "helloworld",
+				Ref:    "branchname",
+			},
+		},
+	}
+	for i, c := range cases {
+		result, err := ParseSource(c.url)
+		if err != nil {
+			t.Fatalf("Failed case %v: %v", i, err)
+		}
+		if result.Folder != c.expected.Folder {
+			t.Fatalf("Folder does not match for '%v', expected '%v', got '%v'", i, c.expected.Folder, result.Folder)
+		}
+		if result.Repo != c.expected.Repo {
+			t.Fatalf("Repo address does not match for '%v', expected '%v', got '%v'", i, c.expected.Repo, result.Repo)
+		}
+		if result.Ref != c.expected.Ref {
+			t.Fatalf("Ref does not match for '%v', expected '%v', got '%v'", i, c.expected.Ref, result.Ref)
+		}
+	}
+}
+
+type nameCase struct {
+	fileContent string
+	expected    string
+}
+
+func TestServiceNameExtract(t *testing.T) {
+	cases := []nameCase{
+		{
+			fileContent: `func main() {
+			// New Service
+			service := micro.NewService(
+				micro.Name("go.micro.service.helloworld"),
+				micro.Version("latest"),
+			)`,
+			expected: "go.micro.service.helloworld",
+		},
+	}
+	for i, c := range cases {
+		result := extractServiceName([]byte(c.fileContent))
+		if result != c.expected {
+			t.Fatalf("Case %v, expected: %v, got: %v", i, c.expected, result)
+		}
+	}
+}