Add JUnit structs for encoding JUnit XML

test/utils/BUILD

@@ -59,6 +59,9 @@ filegroup(
 
 filegroup(
     name = "all-srcs",
-    srcs = [":package-srcs"],
+    srcs = [
+        ":package-srcs",
+        "//test/utils/junit:all-srcs",
+    ],
     tags = ["automanaged"],
 )

test/utils/junit/BUILD

+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["junit.go"],
+    tags = ["automanaged"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

test/utils/junit/junit.go

+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package junit provides data structures to allow easy XML encoding
+// and decoding of JUnit test results.
+package junit
+
+import (
+	"encoding/xml"
+	"time"
+)
+
+// TestSuite is a top-level test suite containing test cases.
+type TestSuite struct {
+	XMLName xml.Name `xml:"testsuite"`
+
+	Name      string    `xml:"name,attr"`
+	Tests     int       `xml:"tests,attr"`
+	Disabled  int       `xml:"disabled,attr,omitempty"`
+	Errors    int       `xml:"errors,attr"`
+	Failures  int       `xml:"failures,attr"`
+	Skipped   int       `xml:"skipped,attr,omitempty"`
+	Time      float64   `xml:"time,attr"`
+	Timestamp time.Time `xml:"timestamp,attr"`
+	ID        int       `xml:"id,attr,omitempty"`
+	Package   string    `xml:"package,attr,omitempty"`
+	Hostname  string    `xml:"hostname,attr"`
+
+	Properties []*Property `xml:"properties,omitempty"`
+	TestCases  []*TestCase `xml:"testcase"`
+
+	SystemOut string `xml:"system-out,omitempty"`
+	SystemErr string `xml:"system-err,omitempty"`
+}
+
+// Update iterates through the TestCases and updates Tests, Errors,
+// Failures, and Skipped top level attributes.
+func (t *TestSuite) Update() {
+	t.Tests = len(t.TestCases)
+	for _, tc := range t.TestCases {
+		t.Errors += len(tc.Errors)
+		t.Failures += len(tc.Failures)
+		if len(tc.Skipped) > 0 {
+			t.Skipped++
+		}
+	}
+}
+
+// Property is a simple key-value property that can be attached to a TestSuite.
+type Property struct {
+	XMLName xml.Name `xml:"property"`
+
+	Name  string `xml:"name,attr"`
+	Value string `xml:"value,attr"`
+}
+
+// Error represents the errors in a test case.
+type Error struct {
+	XMLName xml.Name `xml:"error"`
+
+	Message string `xml:"message,attr,omitempty"`
+	Type    string `xml:"type,attr"`
+
+	Value string `xml:",cdata"`
+}
+
+// Failure represents the failures in a test case.
+type Failure struct {
+	XMLName xml.Name `xml:"failure"`
+
+	Message string `xml:"message,attr,omitempty"`
+	Type    string `xml:"type,attr"`
+
+	Value string `xml:",cdata"`
+}
+
+// TestCase represents a single test case within a suite.
+type TestCase struct {
+	XMLName xml.Name `xml:"testcase"`
+
+	Name       string  `xml:"name,attr"`
+	Classname  string  `xml:"classname,attr"`
+	Status     string  `xml:"status,attr,omitempty"`
+	Assertions int     `xml:"assertions,attr,omitempty"`
+	Time       float64 `xml:"time,attr"`
+
+	Skipped string `xml:"skipped,omitempty"`
+
+	Errors   []*Error   `xml:"error,omitempty"`
+	Failures []*Failure `xml:"failure,omitempty"`
+}