nitunit: show a progress bar

[nit.git] / src / testing / testing_base.nit

diff --git a/src/testing/testing_base.nit b/src/testing/testing_base.nit
index 62bf57e..88651ef 100644 (file)
--- a/src/testing/testing_base.nit
+++ b/src/testing/testing_base.nit
@@ -94,6 +94,35 @@ ulimit -t {{{ulimit_usertime}}} 2> /dev/null
        #
        # Default: 10 CPU minute
        var ulimit_usertime = 600 is writable
+
+       # Show a single-line status to use as a progression.
+       #
+       # Note that the line starts with `'\r'` and is not ended by a `'\n'`.
+       # So it is expected that:
+       # * no other output is printed between two calls
+       # * the last `show_unit_status` is followed by a new-line
+       fun show_unit_status(name: String, tests: SequenceRead[UnitTest], more_message: nullable String)
+       do
+               var esc = 27.code_point.to_s
+               var line = "\r{esc}[K* {name} ["
+               var done = tests.length
+               for t in tests do
+                       if not t.is_done then
+                               line += " "
+                               done -= 1
+                       else if t.error == null then
+                               line += ".".green.bold
+                       else
+                               line += "X".red.bold
+                       end
+               end
+               line += "] {done}/{tests.length}"
+               if more_message != null then
+                       line += " " + more_message
+               end
+               printn "{line}"
+       end
+
 end
 
 # A unit test is an elementary test discovered, run and reported by nitunit.