tests/run-tests.py: Remove --write-exp and --list-tests options.

Removing the now-unused (see previous commit for details) `--write-exp` and
`--list-tests` options helps to simplify the rather complex logic in
`run-tests.py`.

Signed-off-by: Damien George <damien@micropython.org>

3 files changed, 4 insertions, 198 deletions

diff --git a/tests/run-tests-exp.py b/tests/run-tests-exp.py
deleted file mode 100644
index bbb057f4ce..0000000000
--- a/tests/run-tests-exp.py
+++ /dev/null
@@ -1,94 +0,0 @@
-#
-# This is minimal MicroPython variant of run-tests.py script, which uses
-# .exp files as generated by run-tests.py --write-exp. It is useful to run
-# testsuite on systems which have neither CPython3 nor unix shell.
-# This script is intended to be run by the same interpreter executable
-# which is to be tested, so should use minimal language functionality.
-#
-import sys
-import os
-
-
-tests = ["basics", "micropython", "float", "import", "io", " misc", "unicode", "extmod", "unix"]
-
-if sys.platform == "win32":
-    MICROPYTHON = "micropython.exe"
-else:
-    MICROPYTHON = "micropython"
-
-
-def should_skip(test):
-    if test.startswith("native"):
-        return True
-    if test.startswith("viper"):
-        return True
-
-
-test_count = 0
-passed_count = 0
-skip_count = 0
-
-for suite in tests:
-    # print("Running in: %s" % suite)
-    if sys.platform == "win32":
-        # dir /b prints only contained filenames, one on a line
-        # http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/dir.mspx
-        r = os.system("dir /b %s/*.py >tests.lst" % suite)
-    else:
-        r = os.system("ls %s/*.py | xargs -n1 basename >tests.lst" % suite)
-    assert r == 0
-
-    with open("tests.lst") as f:
-        testcases = f.readlines()
-        testcases = [l[:-1] for l in testcases]
-    assert testcases, "No tests found in dir '%s', which is implausible" % suite
-    # print(testcases)
-    for t in testcases:
-        if t == "native_check.py":
-            continue
-
-        qtest = "%s/%s" % (suite, t)
-
-        if should_skip(t):
-            print("skip " + qtest)
-            skip_count += 1
-            continue
-
-        exp = None
-        try:
-            f = open(qtest + ".exp")
-            exp = f.read()
-            f.close()
-        except OSError:
-            pass
-
-        if exp is not None:
-            # print("run " + qtest)
-            r = os.system(MICROPYTHON + " %s >.tst.out" % qtest)
-            if r == 0:
-                f = open(".tst.out")
-                out = f.read()
-                f.close()
-            else:
-                out = "CRASH"
-
-            if out == "SKIP\n":
-                print("skip " + qtest)
-                skip_count += 1
-            else:
-                if out == exp:
-                    print("pass " + qtest)
-                    passed_count += 1
-                else:
-                    print("FAIL " + qtest)
-
-                test_count += 1
-        else:
-            skip_count += 1
-
-print("%s tests performed" % test_count)
-print("%s tests passed" % passed_count)
-if test_count != passed_count:
-    print("%s tests failed" % (test_count - passed_count))
-if skip_count:
-    print("%s tests skipped" % skip_count)
diff --git a/tests/run-tests-exp.sh b/tests/run-tests-exp.sh
deleted file mode 100755
index 177090cd8d..0000000000
--- a/tests/run-tests-exp.sh
+++ /dev/null
@@ -1,73 +0,0 @@
-#!/bin/sh
-#
-# This is plain shell variant of run-tests.py script, which uses .exp files
-# as generated by run-tests.py --write-exp. It is useful to run testsuite
-# on embedded systems which don't have CPython3.
-#
-
-RM="rm -f"
-MP_PY=micropython
-
-numtests=0
-numtestcases=0
-numpassed=0
-numskipped=0
-numfailed=0
-nameskipped=
-namefailed=
-
-if [ $# -eq 0 ]
-then
-    tests="basics/*.py micropython/*.py float/*.py import/*.py io/*.py misc/*.py unicode/*.py extmod/*.py unix/*.py"
-else
-    tests="$@"
-fi
-
-for infile in $tests
-do
-    basename=`basename $infile .py`
-    outfile=${basename}.py.out
-    expfile=$infile.exp
-
-    $MP_PY $infile > $outfile
-    numtestcases=$(expr $numtestcases + $(cat $expfile | wc -l))
-
-    if grep -q "SKIP\|SyntaxError: invalid micropython decorator" $outfile
-    then
-        # we don't count tests that explicitly ask to be skipped
-        # we don't count tests that fail due to unsupported decorator
-        echo "skip  $infile"
-        $RM $outfile
-        numskipped=$(expr $numskipped + 1)
-        nameskipped="$nameskipped $basename"
-    else
-        diff --brief $expfile $outfile > /dev/null
-
-        if [ $? -eq 0 ]
-        then
-            echo "pass  $infile"
-            $RM $outfile
-            numpassed=$(expr $numpassed + 1)
-        else
-            echo "FAIL  $infile"
-            numfailed=$(expr $numfailed + 1)
-            namefailed="$namefailed $basename"
-        fi
-    fi
-
-    numtests=$(expr $numtests + 1)
-done
-
-echo "$numtests tests performed ($numtestcases individual testcases)"
-echo "$numpassed tests passed"
-if [ $numskipped != 0 ]
-then
-    echo "$numskipped tests skipped -$nameskipped"
-fi
-if [ $numfailed != 0 ]
-then
-    echo "$numfailed tests failed -$namefailed"
-    exit 1
-else
-    exit 0
-fi
diff --git a/tests/run-tests.py b/tests/run-tests.py
index 7190d3bc31..07280666dc 100755
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -465,9 +465,7 @@ def run_tests(pyb, tests, args, result_dir, num_threads=1):
 
     upy_float_precision = 32
 
-    # If we're asked to --list-tests, we can't assume that there's a
-    # connection to target, so we can't run feature checks usefully.
-    if not (args.list_tests or args.write_exp):
+    if True:
         # Even if we run completely different tests in a different directory,
         # we need to access feature_checks from the same directory as the
         # run-tests.py script itself so use base_path.
@@ -797,11 +795,6 @@ def run_tests(pyb, tests, args, result_dir, num_threads=1):
         skip_it |= skip_io_module and is_io_module
         skip_it |= skip_fstring and is_fstring
 
-        if args.list_tests:
-            if not skip_it:
-                print(test_file)
-            return
-
         if skip_it:
             print("skip ", test_file)
             skipped_tests.append(test_name)
@@ -821,18 +814,12 @@ def run_tests(pyb, tests, args, result_dir, num_threads=1):
                     cwd=os.path.dirname(test_file),
                     stderr=subprocess.STDOUT,
                 )
-                if args.write_exp:
-                    with open(test_file_expected, "wb") as f:
-                        f.write(output_expected)
             except subprocess.CalledProcessError:
                 output_expected = b"CPYTHON3 CRASH"
 
         # canonical form for all host platforms is to use \n for end-of-line
         output_expected = output_expected.replace(b"\r\n", b"\n")
 
-        if args.write_exp:
-            return
-
         # run MicroPython
         output_mupy = run_micropython(pyb, args, test_file, test_file_abspath)
 
@@ -861,7 +848,7 @@ def run_tests(pyb, tests, args, result_dir, num_threads=1):
 
         test_count.increment()
 
-    if pyb or args.list_tests:
+    if pyb:
         num_threads = 1
 
     if num_threads > 1:
@@ -871,10 +858,6 @@ def run_tests(pyb, tests, args, result_dir, num_threads=1):
         for test in tests:
             run_one_test(test)
 
-    # Leave RESULTS_FILE untouched here for future runs.
-    if args.list_tests:
-        return True
-
     print(
         "{} tests performed ({} individual testcases)".format(
             test_count.value, testcase_count.value
@@ -984,14 +967,6 @@ the last matching regex is used:
         help="include test by regex on path/name.py",
     )
     cmd_parser.add_argument(
-        "--write-exp",
-        action="store_true",
-        help="use CPython to generate .exp files to run tests w/o CPython",
-    )
-    cmd_parser.add_argument(
-        "--list-tests", action="store_true", help="list tests instead of running them"
-    )
-    cmd_parser.add_argument(
         "--emit", default="bytecode", help="MicroPython emitter to use (bytecode or native)"
     )
     cmd_parser.add_argument("--heapsize", help="heapsize to use (use default if not specified)")
@@ -1062,9 +1037,7 @@ the last matching regex is used:
         "rp2",
         "zephyr",
     )
-    if args.list_tests:
-        pyb = None
-    elif args.target in LOCAL_TARGETS:
+    if args.target in LOCAL_TARGETS:
         pyb = None
         if args.target == "webassembly":
             pyb = PyboardNodeRunner()
@@ -1080,7 +1053,7 @@ the last matching regex is used:
         raise ValueError("target must be one of %s" % ", ".join(LOCAL_TARGETS + EXTERNAL_TARGETS))
 
     # Automatically detect the native architecture for mpy-cross if not given.
-    if not (args.list_tests or args.write_exp) and not args.mpy_cross_flags:
+    if not args.mpy_cross_flags:
         output = run_feature_check(pyb, args, "target_info.py")
         arch = str(output, "ascii").strip()
         if arch != "None":