go tests

gotest.rb

#!/usr/bin/env ruby
file = ARGV[0]
line_num = ARGV[1].to_i

TestFn = Struct.new(:name, :start_line, :end_line)
tests = []

current_test = nil
File.read(file).lines.each.with_index do |line, i|
  if line.start_with?("func Test")
    name = line.match(/func (Test[^\(]*)/).captures.first
    current_test = TestFn.new(name, i+1)
  end

  if line.start_with?("}")
    current_test.end_line = i+1
    tests << current_test
    current_test = nil
  end
end

test_on_line = tests.find do |t|
  t.start_line <= line_num && t.end_line >= line_num
end

tests_to_run = test_on_line&.name || tests.map(&:name).join("|")
puts "\e[#{32}m---->\e[0m go test -run #{tests_to_run}"
exec "cd #{File.dirname(file)} && go test -run '#{tests_to_run}' && cd - > /dev/null"

Run entire file with gotest.rb /path/to/main_test.go or run the single test from line 48 with gotest.rb /path/to/main_test.go 48