Add new test for multi-line YAML strings

config.go

@@ -4,7 +4,6 @@ import (
 	"errors"
 	"io/ioutil"
 	"log"
-	"os"
 
 	"gopkg.in/yaml.v2"
 )
@@ -78,9 +77,7 @@ func LoadConfig(filePath string) (config Config, err error) {
 		return
 	}
 
-	// TODO: Decide if this is better expanded here, or only when executing
+	err = yaml.Unmarshal(data, &config)
-	envExpanded := os.ExpandEnv(string(data))
-	err = yaml.Unmarshal([]byte(envExpanded), &config)
 	if err != nil {
 		return
 	}

config_test.go

@@ -23,9 +23,74 @@ func TestLoadConfig(t *testing.T) {
 		_, err := LoadConfig(c.configPath)
 		hasErr := (err != nil)
 		if hasErr != c.expectErr {
-			t.Errorf("LoadConfig(%v), expected=%v actual=%v", c.name, "Err", err)
+			t.Errorf("LoadConfig(%v), expected_error=%v actual=%v", c.name, c.expectErr, err)
 			log.Printf("Case failed: %s", c.name)
 		}
 		log.Println("-----")
 	}
 }
+
+// TestMultiLineConfig is a more complicated test stepping through the parsing
+// and execution of mutli-line strings presented in YAML
+func TestMultiLineConfig(t *testing.T) {
+	log.Println("Testing multi-line string config")
+	config, err := LoadConfig("./test/valid-verify-multi-line.yml")
+	if err != nil {
+		t.Fatalf("TestMultiLineConfig(load), expected=no_error actual=%v", err)
+	}
+
+	log.Println("-----")
+	log.Println("TestMultiLineConfig(parse > string)")
+	expected := "echo 'Some string with stuff'; echo '<angle brackets>'; exit 1\n"
+	actual := config.Monitors[0].CommandShell
+	if expected != actual {
+		t.Errorf("TestMultiLineConfig(>) failed")
+		t.Logf("string expected=`%v`", expected)
+		t.Logf("string actual  =`%v`", actual)
+		t.Logf("bytes expected=%v", []byte(expected))
+		t.Logf("bytes actual  =%v", []byte(actual))
+	}
+
+	log.Println("-----")
+	log.Println("TestMultiLineConfig(execute > string)")
+	_, notice := config.Monitors[0].Check()
+	if notice == nil {
+		t.Fatalf("Did not receive an alert notice")
+	}
+	expected = "Some string with stuff\n<angle brackets>\n"
+	actual = notice.LastCheckOutput
+	if expected != actual {
+		t.Errorf("TestMultiLineConfig(execute > string) check failed")
+		t.Logf("string expected=`%v`", expected)
+		t.Logf("string actual  =`%v`", actual)
+		t.Logf("bytes expected=%v", []byte(expected))
+		t.Logf("bytes actual  =%v", []byte(actual))
+	}
+
+	log.Println("-----")
+	log.Println("TestMultiLineConfig(parse | string)")
+	expected = "echo 'Some string with stuff'\necho '<angle brackets>'\n"
+	actual = config.Alerts["log_shell"].CommandShell
+	if expected != actual {
+		t.Errorf("TestMultiLineConfig(|) failed")
+		t.Logf("string expected=`%v`", expected)
+		t.Logf("string actual  =`%v`", actual)
+		t.Logf("bytes expected=%v", []byte(expected))
+		t.Logf("bytes actual  =%v", []byte(actual))
+	}
+
+	log.Println("-----")
+	log.Println("TestMultiLineConfig(execute | string)")
+	actual, err = config.Alerts["log_shell"].Send(AlertNotice{})
+	if err != nil {
+		t.Errorf("Execution of alert failed")
+	}
+	expected = "Some string with stuff\n<angle brackets>\n"
+	if expected != actual {
+		t.Errorf("TestMultiLineConfig(execute | string) check failed")
+		t.Logf("string expected=`%v`", expected)
+		t.Logf("string actual  =`%v`", actual)
+		t.Logf("bytes expected=%v", []byte(expected))
+		t.Logf("bytes actual  =%v", []byte(actual))
+	}
+}

monitor.go

@@ -155,18 +155,16 @@ func (monitor Monitor) getAlertAfter() int16 {
 	// Zero is one!
 	if monitor.AlertAfter == 0 {
 		return 1
-	} else {
-		return monitor.AlertAfter
 	}
+	return monitor.AlertAfter
 }
 
 // GetAlertNames gives a list of alert names for a given monitor status
 func (monitor Monitor) GetAlertNames(up bool) []string {
 	if up {
 		return monitor.AlertUp
-	} else {
-		return monitor.AlertDown
 	}
+	return monitor.AlertDown
 }
 
 func (monitor Monitor) createAlertNotice(isUp bool) *AlertNotice {

test/valid-config.yml

@@ -1,9 +1,10 @@
+---
 check_interval: 1
 
 monitors:
   - name: Command
     command: ['echo', '$PATH']
-    alert_down: [ 'log_command', 'log_shell' ]
+    alert_down: ['log_command', 'log_shell']
     alert_every: 0
   - name: Shell
     command_shell: >
@@ -11,12 +12,12 @@ monitors:
       echo 'another line';
       echo $PATH;
       exit 1
-    alert_down: [ 'log_command', 'log_shell' ]
+    alert_down: ['log_command', 'log_shell']
     alert_after: 5
     alert_every: 0
 
 alerts:
   log_command:
-    command: [ 'echo', 'regular', '"command!!!"', "{{.MonitorName}}" ]
+    command: ['echo', 'regular', '"command!!!"', "{{.MonitorName}}"]
   log_shell:
     command_shell: echo "Failure on {{.MonitorName}} User is $USER"

test/valid-verify-multi-line.yml

@@ -0,0 +1,18 @@
+---
+check_interval: 1
+
+monitors:
+  - name: Shell
+    command_shell: >
+      echo 'Some string with stuff';
+      echo '<angle brackets>';
+      exit 1
+    alert_down: ['log_shell']
+    alert_after: 1
+    alert_every: 0
+
+alerts:
+  log_shell:
+    command_shell: |
+      echo 'Some string with stuff'
+      echo '<angle brackets>'