Merge pull request 'Line wrap correction' (#179) from line-wrap-correction into release2.3.2

This is approved/merging in now :) For historical conversation on this PR please see: #175

client.go

@@ -122,8 +122,8 @@ func (c *client) Draw() {
 	} else {
 		for i := 0; i < c.Height-3; i++ {
 			if i < len(pageContent) {
-				screen.WriteString(pageContent[i])
 				screen.WriteString("\033[0K")
+				screen.WriteString(pageContent[i])
 				screen.WriteString("\n")
 			} else {
 				screen.WriteString("\033[0K")

page.go

@@ -130,6 +130,7 @@ func (p *Page) WrapContent(width int, color bool) {
 					counter += len(spacer)
 				}
 				content.WriteRune(ch)
+				counter++
 			}
 		}
 	}

page_test.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"reflect"
+	"testing"
+)
+
+func Test_WrapContent_Wrapped_Line_Length(t *testing.T) {
+	type fields struct {
+		WrappedContent []string
+		RawContent     string
+		Links          []string
+		Location       Url
+		ScrollPosition int
+		FoundLinkLines []int
+		SearchTerm     string
+		SearchIndex    int
+		FileType       string
+		WrapWidth      int
+		Color          bool
+	}
+	type args struct {
+		width int
+		color bool
+	}
+
+	// create a Url for use by the MakePage function
+	url, _ := MakeUrl("gemini://rawtext.club")
+
+	tests := []struct {
+		name    string
+		input   string
+		expects []string
+		args    args
+	}{
+		{
+			"Short line that doesn't wrap",
+			"0123456789\n",
+			[]string{
+				"0123456789",
+				"",
+			},
+			args{
+				10,
+				false,
+			},
+		},
+		{
+			"Long line wrapped to 10 columns",
+			"0123456789 123456789 123456789 123456789 123456789\n",
+			[]string{
+				"0123456789",
+				" 123456789",
+				" 123456789",
+				" 123456789",
+				" 123456789",
+				"",
+			},
+			args{
+				10,
+				false,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			p := MakePage(url, tt.input, []string{""})
+			p.WrapContent(tt.args.width-1, tt.args.color)
+			if !reflect.DeepEqual(p.WrappedContent, tt.expects) {
+				t.Errorf("Test failed - %s\nexpects %s\nactual  %s", tt.name, tt.expects, p.WrappedContent)
+			}
+		})
+	}
+}