Add log.IsGreaterOrEqualTo, that take into consideration path-scoped log levels

log/log.go

@@ -106,6 +106,7 @@ func levelFromString(l string) Level {
 	return level
 }
 
+// SetLogLevels sets the log levels for specific paths in the codebase.
 func SetLogLevels(levels map[string]string) {
 	for k, v := range levels {
 		logLevels = append(logLevels, levelPath{path: k, level: levelFromString(v)})
@@ -154,6 +155,11 @@ func CurrentLevel() Level {
 	return currentLevel
 }
 
+// IsGreaterOrEqualTo returns true if the caller's current log level is equal or greater than the provided level.
+func IsGreaterOrEqualTo(level Level) bool {
+	return shouldLog(level)
+}
+
 func Fatal(args ...interface{}) {
 	log(LevelFatal, args...)
 	os.Exit(1)

log/log_test.go

@@ -137,6 +137,37 @@ var _ = Describe("Logger", func() {
 		})
 	})
 
+	Describe("IsGreaterOrEqualTo", func() {
+		It("returns false if log level is below provided level", func() {
+			SetLevel(LevelError)
+			Expect(IsGreaterOrEqualTo(LevelWarn)).To(BeFalse())
+		})
+
+		It("returns true if log level is equal to provided level", func() {
+			SetLevel(LevelWarn)
+			Expect(IsGreaterOrEqualTo(LevelWarn)).To(BeTrue())
+		})
+
+		It("returns true if log level is above provided level", func() {
+			SetLevel(LevelTrace)
+			Expect(IsGreaterOrEqualTo(LevelDebug)).To(BeTrue())
+		})
+
+		It("returns true if log level for the current code path is equal provided level", func() {
+			SetLevel(LevelError)
+			SetLogLevels(map[string]string{
+				"log/log_test": "debug",
+			})
+
+			// Need to nest it in a function to get the correct code path
+			var result = func() bool {
+				return IsGreaterOrEqualTo(LevelDebug)
+			}()
+
+			Expect(result).To(BeTrue())
+		})
+	})
+
 	Describe("extractLogger", func() {
 		It("returns an error if the context is nil", func() {
 			_, err := extractLogger(nil)