"""
Test platform process launch.
"""

from textwrap import dedent
from lldbsuite.test.lldbtest import TestBase


class ProcessLaunchTestCase(TestBase):
    NO_DEBUG_INFO_TESTCASE = True

    def setup(self):
        self.build()
        exe = self.getBuildArtifact("a.out")
        self.runCmd("file " + exe)
        return (exe, self.getBuildArtifact("stdio.log"))

    def test_process_launch_no_args(self):
        # When there are no extra arguments we just have 0, the program name.
        exe, outfile = self.setup()
        self.runCmd("platform process launch --stdout {} -s".format(outfile))
        self.runCmd("continue")

        with open(outfile) as f:
           self.assertEqual(dedent("""\
                Got 1 argument(s).
                [0]: {}
                """.format(exe)), f.read())

    def test_process_launch_command_args(self):
        exe, outfile = self.setup()
        # Arguments given via the command override those in the settings.
        self.runCmd("settings set target.run-args D E")
        self.runCmd("platform process launch --stdout {} -s -- A B C".format(outfile))
        self.runCmd("continue")

        with open(outfile) as f:
           self.assertEqual(dedent("""\
                Got 4 argument(s).
                [0]: {}
                [1]: A
                [2]: B
                [3]: C
                """.format(exe)), f.read())

    def test_process_launch_target_args(self):
        exe, outfile = self.setup()
        # When no arguments are passed via the command, use the setting.
        self.runCmd("settings set target.run-args D E")
        self.runCmd("platform process launch --stdout {}".format(outfile))
        self.runCmd("continue")

        with open(outfile) as f:
           self.assertEqual(dedent("""\
                Got 3 argument(s).
                [0]: {}
                [1]: D
                [2]: E
                """.format(exe)), f.read())