nitunit: `NitUnitExecutor::mmodule` can be null

Standard is then implicitly imported

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/testing/testing_doc.nit b/src/testing/testing_doc.nit
index 060f18d..1d4490f 100644 (file)
--- a/src/testing/testing_doc.nit
+++ b/src/testing/testing_doc.nit
@@ -25,8 +25,8 @@ class NitUnitExecutor
        # The prefix of the generated Nit source-file
        var prefix: String
 
-       # The module to import
-       var mmodule: MModule
+       # The module to import, if any
+       var mmodule: nullable MModule
 
        # The XML node associated to the module
        var testsuite: HTMLTag
@@ -278,7 +278,9 @@ class NitUnitExecutor
                f = new FileWriter.open(file)
                f.write("# GENERATED FILE\n")
                f.write("# Docunits extracted from comments\n")
-               f.write("import {mmodule.name}\n")
+               if mmodule != null then
+                       f.write("import {mmodule.name}\n")
+               end
                f.write("\n")
                return f
        end
@@ -294,7 +296,11 @@ class NitUnitExecutor
                        toolcontext.error(null, "Cannot find nitg. Set envvar NIT_DIR.")
                        toolcontext.check_errors
                end
-               var cmd = "{nitg} --ignore-visibility --no-color '{file}' -I {mmodule.location.file.filename.dirname} >'{file}.out1' 2>&1 </dev/null -o '{file}.bin'"
+               var opts = new Array[String]
+               if mmodule != null then
+                       opts.add "-I {mmodule.location.file.filename.dirname}"
+               end
+               var cmd = "{nitg} --ignore-visibility --no-color '{file}' {opts.join(" ")} >'{file}.out1' 2>&1 </dev/null -o '{file}.bin'"
                var res = sys.system(cmd)
                return res
        end
@@ -302,8 +308,8 @@ end
 
 # A unit-test to run
 class DocUnit
-       # The original comment node
-       var ndoc: ADoc
+       # The doc that contains self
+       var mdoc: MDoc
 
        # The XML node that contains the information about the execution
        var testcase: HTMLTag