Initial project import

tools/v/vlib/term/term_test.v

@@ -0,0 +1,145 @@
+import os
+import term
+import strings
+
+fn test_get_terminal_size() {
+	cols, _ := term.get_terminal_size()
+	assert cols > 0
+}
+
+fn test_h_divider() {
+	divider := term.h_divider('-')
+	assert divider.len > 0
+	assert divider[0] == `-`
+	assert divider[divider.len - 1] == `-`
+}
+
+fn test_h_divider_multiple_characters() {
+	xdivider := term.h_divider('abc')
+	assert xdivider.len > 0
+	assert xdivider.contains('abcabc')
+}
+
+fn test_header() {
+	divider := term.h_divider('-')
+	term_width := divider.len
+	assert term_width > 0
+	empty_header := term.header('', '-')
+	short_header := term.header('reasonable header', '-')
+	very_long_header := term.header(['abc'].repeat(500).join(' '), '-')
+	very_long_header_2 := term.header(['abcd'].repeat(500).join(' '), '-')
+	/*
+	eprintln(divider)
+	eprintln(empty_header)
+	eprintln(short_header)
+	eprintln(term.header('another longer header', '_-/\\'))
+	eprintln(term.header('another longer header', '-'))
+	eprintln(term.header('short', '-'))
+	eprintln(term.header('12345', '-'))
+	eprintln(term.header('1234', '-'))
+	eprintln(term.header('123', '-'))
+	eprintln(term.header('12', '-'))
+	eprintln(term.header('1', '-'))
+	eprintln(very_long_header)
+	eprintln(divider)
+	eprintln(very_long_header_2)
+	eprintln(term.header(['abcd'].repeat(500).join(' '), '_-/\\'))
+	eprintln(term.header(['abcd'].repeat(500).join(' '), '_-//'))
+	eprintln(term.header('1', '_-/\\\/'))
+	eprintln(term.header('12', '_-/\\\/'))
+	eprintln(term.header('123', '_-/\\\/'))
+	eprintln(term.header('1234', '_-/\\/\\'))
+	eprintln(term.header('', '-'))
+	*/
+	assert term_width == empty_header.len
+	assert term_width == short_header.len
+	assert term_width == very_long_header.len
+	assert term_width == very_long_header_2.len
+	assert term_width == term.header('1234', '_-/\\/\\').len
+}
+
+fn test_get_cursor_position() {
+	original_position := term.get_cursor_position()!
+	cursor_position_1 := term.get_cursor_position()!
+	assert original_position.x == cursor_position_1.x
+	assert original_position.y == cursor_position_1.y
+
+	term.set_cursor_position(
+		x: 10
+		y: 11
+	)
+	cursor_position_2 := term.get_cursor_position()!
+
+	term.set_cursor_position(
+		x: 5
+		y: 6
+	)
+	cursor_position_3 := term.get_cursor_position()!
+
+	term.set_cursor_position(original_position)
+	eprintln('original_position: ${original_position}')
+	eprintln('cursor_position_2: ${cursor_position_2}')
+	eprintln('cursor_position_3: ${cursor_position_3}')
+	// 0,0 is returned on dumb terminals
+	if cursor_position_2.x == 0 && cursor_position_2.y == 0 {
+		return
+	}
+	if cursor_position_3.x == 0 && cursor_position_3.y == 0 {
+		return
+	}
+	assert cursor_position_2.x == 10
+	assert cursor_position_2.y == 11
+	assert cursor_position_3.x == 5
+	assert cursor_position_3.y == 6
+}
+
+fn test_set_terminal_title() {
+	// do not change the current terminal title outside of CI:
+	if os.getenv('CI') != 'true' {
+		return
+	}
+	term.set_terminal_title('v is awesome!')
+	dump(@FILE)
+	assert true
+}
+
+fn test_set_tab_title() {
+	// do not change the current terminal tab title outside of CI:
+	if os.getenv('CI') != 'true' {
+		return
+	}
+	term.set_tab_title('v is awesome!')
+	dump(@FILE)
+	assert true
+}
+
+fn test_strip_ansi() {
+	string_list := [
+		'abc',
+		term.bold('abc'),
+		term.yellow('abc'),
+		term.bold(term.red('abc')),
+		term.strikethrough(term.inverse(term.dim(term.bold(term.bright_bg_blue('abc'))))),
+	]
+	for s in string_list {
+		assert term.strip_ansi(s) == 'abc'
+	}
+}
+
+fn test_write_color() {
+	mut sb := strings.new_builder(100)
+	term.writeln_color(mut sb, 'hello')
+	term.writeln_color(mut sb, 'hello', fg: .red)
+	term.writeln_color(mut sb, 'hello', bg: .cyan)
+	term.writeln_color(mut sb, 'hello', styles: [.bold, .italic, .underline], fg: .red, bg: .cyan)
+	term.writeln_color(mut sb, 'hello', custom: '38;5;214')
+
+	output := sb.str()
+	println(output)
+
+	assert output.contains('\x1b[0m')
+	assert output.contains('\x1b[31m')
+	assert output.contains('\x1b[46m')
+	assert output.contains('\x1b[1;3;4;31;46m')
+	assert output.contains('\x1b[38;5;214m')
+}