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Add some go testing infrastructure

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This commit is contained in:
Kovid Goyal
2022-08-16 09:22:12 +05:30
parent 3a21605b05
commit 1325844539
5 changed files with 102 additions and 10 deletions
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18
tools/cli/infrastructure.go
View File

@@ -83,6 +83,7 @@ func format_line_with_indent(output io.Writer, text string, indent string, scree
fmt.Fprint(output, indent)
in_escape := 0
var current_word strings.Builder
var escapes strings.Builder
print_word := func(r rune) {
w := runewidth.StringWidth(current_word.String())
@@ -94,8 +95,14 @@ func format_line_with_indent(output io.Writer, text string, indent string, scree
current_word.Reset()
current_word.WriteString(s)
}
fmt.Fprint(output, current_word.String())
current_word.Reset()
if escapes.Len() > 0 {
output.Write([]byte(escapes.String()))
escapes.Reset()
}
if current_word.Len() > 0 {
output.Write([]byte(current_word.String()))
current_word.Reset()
}
if r > 0 {
current_word.WriteRune(r)
}
@@ -113,7 +120,7 @@ func format_line_with_indent(output io.Writer, text string, indent string, scree
if (in_escape == 2 && r == 'm') || (in_escape == 3 && r == '\\' && text[i-1] == 0x1b) {
in_escape = 0
}
fmt.Fprint(output, string(r))
escapes.WriteRune(r)
continue
}
if r == 0x1b {
@@ -121,7 +128,7 @@ func format_line_with_indent(output io.Writer, text string, indent string, scree
if current_word.Len() != 0 {
print_word(0)
}
fmt.Fprint(output, string(r))
escapes.WriteRune(r)
continue
}
if current_word.Len() != 0 && r != 0xa0 && unicode.IsSpace(r) {
@@ -130,7 +137,7 @@ func format_line_with_indent(output io.Writer, text string, indent string, scree
current_word.WriteRune(r)
}
}
if current_word.Len() != 0 {
if current_word.Len() != 0 || escapes.Len() != 0 {
print_word(0)
}
if len(text) > 0 {
@@ -323,6 +330,7 @@ func show_usage(cmd *cobra.Command) error {
fmt.Fprintln(&output, italic_fmt(RootCmd.Name()), opt_fmt(RootCmd.Version), "created by", title_fmt("Kovid Goyal"))
}
output_text := output.String()
// fmt.Printf("%#v\n", output_text)
if stdout_is_terminal && cmd.Annotations["allow-pager"] != "no" {
pager := exec.Command(kitty.DefaultPager[0], kitty.DefaultPager[1:]...)
pager.Stdin = strings.NewReader(output_text)

18
tools/cli/infrastructure_test.go Normal file
View File

@@ -0,0 +1,18 @@
package cli
import (
"strings"
"testing"
)
func TestFormatLineWithIndent(t *testing.T) {
var output strings.Builder
output.Reset()
indent := " "
format_line_with_indent(&output, "testing \x1b[31mstyled\x1b[m", indent, 11)
expected := indent + "testing \n" + indent + "\x1b[31mstyled\x1b[m\n"
if output.String() != expected {
t.Errorf("%#v != %#v", expected, output.String())
}
}