test clifmt/Title + Warn + Info

internal/clifmt/colors_test.go

@@ -9,7 +9,9 @@ func escape(in string) string {
 	out := make([]rune, 0)
 
 	for _, char := range in {
-		if char == '\n' {
+		if char == '\\' {
+			out = append(out, []rune("\\\\")...)
+		} else if char == '\n' {
 			out = append(out, []rune("\\n")...)
 		} else if char == '\r' {
 			out = append(out, []rune("\\r")...)

internal/clifmt/symbols.go

@@ -8,6 +8,7 @@ import (
 
 var titleIndex = 0
 var alignOffset = 40
+var defaultPrinter = fmt.Printf
 
 // Warn returns a red warning ASCII sign. If a string is given
 // as argument, it will print it after the warning sign
@@ -32,7 +33,7 @@ func Info(s ...string) string {
 // Title prints a formatted title (auto-indexed from local counted)
 func Title(s string) {
 	titleIndex++
-	fmt.Printf("\n%s |%d| %s %s\n", Color(33, ">>", false), titleIndex, s, Color(33, "<<", false))
+	defaultPrinter("\n%s |%d| %s %s\n", Color(33, ">>", false), titleIndex, s, Color(33, "<<", false))
 
 }
 
@@ -68,11 +69,11 @@ func Align(s string) {
 	}
 
 	// 3. print string
-	fmt.Printf("%s", s)
+	defaultPrinter("%s", s)
 
 	// 4. print trailing spaces
 	for i := size; i < offset; i++ {
-		fmt.Printf(" ")
+		defaultPrinter(" ")
 	}
 }
 

internal/clifmt/symbols_test.go

@@ -0,0 +1,45 @@
+package clifmt
+
+import (
+	"fmt"
+	"testing"
+)
+
+var lastPrint = ""
+
+func mockupPrinter(format string, args ...interface{}) (int, error) {
+	lastPrint = fmt.Sprintf(format, args...)
+	return 0, nil
+}
+
+func TestSpecial(t *testing.T) {
+	defaultPrinter = mockupPrinter
+
+	tests := []struct {
+		Pre       func()
+		Processed string
+		Expect    string
+	}{
+		{nil, Warn(), "\033[0;31m/!\\\033[0m"},
+		{nil, Warn("any text"), "\033[0;31m/!\\\033[0m  any text"},
+
+		{nil, Info(), "\033[0;34m(!)\033[0m"},
+		{nil, Info("any text"), "\033[0;34m(!)\033[0m  any text"},
+
+		{func() { Title("any text") }, "", "\n\033[0;33m>>\033[0m |1| any text \033[0;33m<<\033[0m\n"},
+		{func() { Title("any text") }, "", "\n\033[0;33m>>\033[0m |2| any text \033[0;33m<<\033[0m\n"},
+	}
+
+	for i, test := range tests {
+
+		if test.Pre != nil {
+			test.Pre()
+			test.Processed = lastPrint
+		}
+
+		if test.Processed != test.Expect {
+			t.Errorf("[%d] expected '%s', got '%s'", i, escape(test.Expect), escape(test.Processed))
+		}
+
+	}
+}