From 9faba1485499e6ceb6fc75de0319bec9a638f50c Mon Sep 17 00:00:00 2001
From: Aneesh Karve <aneesh.karve@gmail.com>
Date: Wed, 5 Jun 2024 17:15:31 -0700
Subject: [PATCH] test for bad input, improve help text

---
 src/bipsea/bipsea.py |  2 +-
 tests/test_cli.py    | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/bipsea/bipsea.py b/src/bipsea/bipsea.py
index 0470567..c34e398 100644
--- a/src/bipsea/bipsea.py
+++ b/src/bipsea/bipsea.py
@@ -125,7 +125,7 @@ def bip39_cmd(from_, to, input, number, passphrase, pretty):
         words = normalize_list(re.split(r"\s+", input), lower=True)
         if language and not verify_seed_words(words, language):
             raise click.BadParameter(
-                f"--input mnemonic not in {from_} or has bad checksum.",
+                f"--input mnemonic not in {ISO_TO_LANGUAGE[from_]} wordlist or has bad checksum.",
                 param_hint="--input",
             )
         if from_ == "any":
diff --git a/tests/test_cli.py b/tests/test_cli.py
index d8ef9a3..6c26b89 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -73,7 +73,8 @@ def test_seed_option_sensitivity(runner, language, vectors):
             result = runner.invoke(cli, cmd)
             if suffix == ".":
                 assert result.exit_code != 0
-                assert lang_code in result.output
+                assert ISO_TO_LANGUAGE[lang_code] in result.output
+                assert "not in" in result.output
             else:
                 assert result.exit_code == 0
                 result_xprv = result.output.strip().split("\n")[-1]
@@ -242,3 +243,10 @@ def test_entropy_wif(runner, vector):
     result = runner.invoke(cli, ["entropy", "-a", "wif", "--input", xprv])
     assert result.exit_code == 0
     assert result.output.strip() == vector["derived_wif"]
+
+
+def test_seed_bad_input(runner):
+    phrase = "きわめる そせい ばかり なみだ みつかる くしゃみ にあう ひみつ かくとく よけい げんき ほきょう"
+    result = runner.invoke(cli, ["seed", "-f", "spa", "--input", phrase])
+    assert result.exit_code != 0
+    assert "not in spa" in result.output