table: fix column wrapping logic; fixes #170 (#171)

table/render.go

@@ -307,7 +307,7 @@ func (t *Table) renderRow(out *strings.Builder, row rowStr, hint renderHint) {
 		// split each column into individual lines and render them one-by-one
 		if colMaxLines == 1 {
 			hint.isLastLineOfRow = true
-			t.renderLine(out, row, hint)
+			t.renderLine(out, rowWrapped, hint)
 		} else {
 			// convert one row into N # of rows based on colMaxLines
 			rowLines := make([]rowStr, len(row))

table/render_test.go

@@ -1289,5 +1289,31 @@ func TestTable_Render_SetWidth_Title(t *testing.T) {
 
 		assert.Equal(t, strings.Join(expectedOut, "\n"), tw.Render())
 	})
+}
+
+func TestTable_Render_WidthEnforcer(t *testing.T) {
+	tw := NewWriter()
+	tw.AppendRows([]Row{
+		{"U2", "Hey", "2021-04-19 13:37", "Yuh yuh yuh"},
+		{"S12", "Uhhhh", "2021-04-19 13:37", "Some dummy data here"},
+		{"R123", "Lobsters", "2021-04-19 13:37", "I like lobsters"},
+		{"R123", "Some big name here and it's pretty big", "2021-04-19 13:37", "Abcdefghijklmnopqrstuvwxyz"},
+		{"R123", "Small name", "2021-04-19 13:37", "Abcdefghijklmnopqrstuvwxyz"},
+	})
+	tw.SetColumnConfigs([]ColumnConfig{
+		{Number: 2, WidthMax: 20, WidthMaxEnforcer: text.Trim},
+	})
 
+	expectedOut := `+------+----------------------+------------------+----------------------------+
+| U2   | Hey                  | 2021-04-19 13:37 | Yuh yuh yuh                |
+| S12  | Uhhhh                | 2021-04-19 13:37 | Some dummy data here       |
+| R123 | Lobsters             | 2021-04-19 13:37 | I like lobsters            |
+| R123 | Some big name here a | 2021-04-19 13:37 | Abcdefghijklmnopqrstuvwxyz |
+| R123 | Small name           | 2021-04-19 13:37 | Abcdefghijklmnopqrstuvwxyz |
++------+----------------------+------------------+----------------------------+`
+	actualOut := tw.Render()
+	assert.Equal(t, expectedOut, actualOut)
+	if expectedOut != actualOut {
+		fmt.Println(actualOut)
+	}
 }