add inferiting flag test

tests/cli/clis/inheritFlags.nim

@@ -0,0 +1,32 @@
+import std/strformat
+import hwylterm, hwylterm/hwylcli
+
+hwylCli:
+  name "base"
+  flags:
+    [global]
+    always "in all subcommands"
+    [misc]
+    misc1 "first misc flag"
+    misc2 "second misc flag"
+  subcommands:
+    [first]
+    ... "command with it's own flag"
+    flags:
+      first "first first flag"
+    run:
+      echo fmt"{always=},{first=}"
+
+    [second]
+    ... "command with 'misc' flags"
+    flags:
+      ^[misc]
+    run:
+      echo fmt"{always=},{misc1=},{misc2=}"
+
+    [third]
+    ... "command with only 'misc1' flag"
+    flags:
+      ^misc1
+    run:
+      echo fmt"{always=},{misc1=}"

tests/cli/lib.nim

@@ -43,14 +43,16 @@ proc preCompileTestModules*() =
 
 template okWithArgs*(module: string, args = "", output = "") =
   preCompileWorkingModule(module)
+  let normalizedOutput = output.strip().strip(leading = false, chars = {'\n'}).dedent()
   test (module & "|" & args):
     let (actualOutput, code) = runTestCli(module, args)
     check code == 0
-    check output.strip().strip(leading=false, chars = {'\n'}).dedent() == actualOutput
+    check normalizedOutput == actualOutput
 
 template failWithArgs*(module: string, args = "", output = "") =
   preCompileWorkingModule(module)
+  let normalizedOutput = output.strip().strip(leading = false, chars = {'\n'}).dedent()
   test (module & "|" & args):
     let (actualOutput, code) = runTestCli(module, args)
     check code == 1
-    check output.strip().strip(leading=false, chars = {'\n'}).dedent() == actualOutput
+    check normalizedOutput == actualOutput

tests/cli/tester.nim

@@ -122,6 +122,17 @@ inside sub c
 """,
   )
 
+suite "parent-child":
+  okWithArgs(
+    "inheritFlags", "first --always", "always=true,first=false"
+  )
+  okWithArgs(
+    "inheritFlags", "second --always --misc2", "always=true,misc1=false,misc2=true"
+  )
+  okWithArgs(
+    "inheritFlags", "third --misc1", "always=false,misc1=true"
+  )
+
 suite "settings":
   okWithArgs(
     "inferShort", "-i input -o output","""input=input, output=output, count=0, nancy=false, ignore=false"""