migrated tests

pkg/probe/exec/exec_test.go

@@ -0,0 +1,68 @@
+/*
+Copyright 2015 Google Inc. All rights reserved.
+
+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 exec
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/probe"
+)
+
+type FakeCmd struct {
+	out []byte
+	err error
+}
+
+func (f *FakeCmd) CombinedOutput() ([]byte, error) {
+	return f.out, f.err
+}
+
+func (f *FakeCmd) SetDir(dir string) {}
+
+type healthCheckTest struct {
+	expectedStatus probe.Status
+	expectError    bool
+	output         []byte
+	err            error
+}
+
+func TestExec(t *testing.T) {
+	fake := FakeCmd{}
+	tests := []healthCheckTest{
+		// Ok
+		{probe.Healthy, false, []byte("OK"), nil},
+		// Run returns error
+		{probe.Unknown, true, []byte("OK, NOT"), fmt.Errorf("test error")},
+		// Unhealthy
+		{probe.Unhealthy, false, []byte("Fail"), nil},
+	}
+	for _, test := range tests {
+		fake.out = test.output
+		fake.err = test.err
+		status, err := Probe(&fake)
+		if status != test.expectedStatus {
+			t.Errorf("expected %v, got %v", test.expectedStatus, status)
+		}
+		if err != nil && test.expectError == false {
+			t.Errorf("unexpected error: %v", err)
+		}
+		if err == nil && test.expectError == true {
+			t.Errorf("unexpected non-error")
+		}
+	}
+}

pkg/probe/http/http_test.go

@@ -0,0 +1,84 @@
+/*
+Copyright 2015 Google Inc. All rights reserved.
+
+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 http
+
+import (
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"strconv"
+	"testing"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/probe"
+)
+
+func TestFormatURL(t *testing.T) {
+	testCases := []struct {
+		host   string
+		port   int
+		path   string
+		result string
+	}{
+		{"localhost", 93, "", "http://localhost:93"},
+		{"localhost", 93, "/path", "http://localhost:93/path"},
+	}
+	for _, test := range testCases {
+		url := formatURL(test.host, test.port, test.path)
+		if url != test.result {
+			t.Errorf("Expected %s, got %s", test.result, url)
+		}
+	}
+}
+
+func TestHTTPProbeChecker(t *testing.T) {
+	testCases := []struct {
+		status int
+		health probe.Status
+	}{
+		// The probe will be filled in below.  This is primarily testing that an HTTP GET happens.
+		{http.StatusOK, probe.Healthy},
+		{-1, probe.Unhealthy},
+	}
+	for _, test := range testCases {
+		ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			w.WriteHeader(test.status)
+		}))
+		u, err := url.Parse(ts.URL)
+		if err != nil {
+			t.Errorf("Unexpected error: %v", err)
+		}
+		host, port, err := net.SplitHostPort(u.Host)
+		if err != nil {
+			t.Errorf("Unexpected error: %v", err)
+		}
+		p, err := strconv.Atoi(port)
+		if err != nil {
+			t.Errorf("Unexpected error: %v", err)
+		}
+		health, err := Probe(host, p, "")
+		if test.health == probe.Unknown && err == nil {
+			t.Errorf("Expected error")
+		}
+		if test.health != probe.Unknown && err != nil {
+			t.Errorf("Unexpected error: %v", err)
+		}
+		if health != test.health {
+			t.Errorf("Expected %v, got %v", test.health, health)
+		}
+	}
+}

pkg/probe/tcp/tcp_test.go

@@ -0,0 +1,72 @@
+/*
+Copyright 2015 Google Inc. All rights reserved.
+
+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 tcp
+
+import (
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"strconv"
+	"testing"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/probe"
+)
+
+func TestTcpHealthChecker(t *testing.T) {
+	tests := []struct {
+		expectedStatus probe.Status
+		usePort        bool
+		expectError    bool
+	}{
+		// The probe will be filled in below.  This is primarily testing that a connection is made.
+		{probe.Healthy, true, false},
+		{probe.Unhealthy, false, false},
+	}
+
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer server.Close()
+	u, err := url.Parse(server.URL)
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+	host, port, err := net.SplitHostPort(u.Host)
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+	for _, test := range tests {
+		p, err := strconv.Atoi(port)
+		if err != nil {
+			t.Errorf("unexpected error: %v", err)
+		}
+		if !test.usePort {
+			p = -1
+		}
+		status, err := Probe(host, p)
+		if status != test.expectedStatus {
+			t.Errorf("expected: %v, got: %v", test.expectedStatus, status)
+		}
+		if err != nil && !test.expectError {
+			t.Errorf("unexpected error: %v", err)
+		}
+		if err == nil && test.expectError {
+			t.Errorf("unexpected non-error.")
+		}
+	}
+}