test: migrate StrKeyTest to Kotlin. (#718)

* test: migrate `StrKeyTest` to Kotlin.

* add kotest-framework-datatest

* more test

Author: overcat

build.gradle.kts

@@ -59,6 +59,7 @@ dependencies {
 
     testImplementation("io.kotest:kotest-runner-junit5:5.9.1")
     testImplementation("io.kotest:kotest-assertions-core:5.9.1")
+    testImplementation("io.kotest:kotest-framework-datatest:5.9.1")
 }
 
 tasks {

src/test/java/org/stellar/sdk/DeprecatedStrKeyTest.java

@@ -0,0 +1,142 @@
+package org.stellar.sdk;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import org.junit.Test;
+import org.stellar.sdk.xdr.AccountID;
+import org.stellar.sdk.xdr.CryptoKeyType;
+import org.stellar.sdk.xdr.MuxedAccount;
+
+public class DeprecatedStrKeyTest {
+  @Test
+  public void testEncodeToXDRMuxedAccountMAddress() {
+    String unmuxedAddress = "GA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJVSGZ";
+    AccountID account = StrKey.encodeToXDRAccountId(unmuxedAddress);
+
+    String muxedAddress = "MA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJVAAAAAAAAAAAAAJLK";
+    MuxedAccount muxedAccount = StrKey.encodeToXDRMuxedAccount(muxedAddress);
+    assertEquals(CryptoKeyType.KEY_TYPE_MUXED_ED25519, muxedAccount.getDiscriminant());
+    assertEquals(account.getAccountID().getEd25519(), muxedAccount.getMed25519().getEd25519());
+    assertEquals(
+        -9223372036854775808L,
+        muxedAccount.getMed25519().getId().getUint64().getNumber().longValue());
+
+    assertEquals(muxedAddress, StrKey.encodeMuxedAccount(muxedAccount));
+  }
+
+  @Test
+  public void testEncodeAccountIdToMuxed() {
+    String unmuxedAddress = "GA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJVSGZ";
+    AccountID account = StrKey.encodeToXDRAccountId(unmuxedAddress);
+
+    MuxedAccount muxedAccount = StrKey.encodeToXDRMuxedAccount(unmuxedAddress);
+    assertEquals(CryptoKeyType.KEY_TYPE_ED25519, muxedAccount.getDiscriminant());
+    assertEquals(account.getAccountID().getEd25519(), muxedAccount.getEd25519());
+  }
+
+  @Test
+  public void testEncodeToXDRMuxedAccountInvalidAddress() {
+    // https://github.com/stellar/go/blob/2b876cd781b6dd0c218dcdd4f300900f87b3889e/strkey/main_test.go#L86
+    try {
+      StrKey.encodeToXDRMuxedAccount("XBU2RRGLXH3E5CQHTD3ODLDF2BWDCYUSSBLLZ5GNW7JXHDIYKXZWGTOG");
+      fail();
+    } catch (IllegalArgumentException e) {
+      assertEquals("Version byte is invalid", e.getMessage());
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount("MBU2RRGLXH3E5CQHTD3ODLDF2BWDCYUSSBLLZ5GNW7JXHDIYKXZWGTOG");
+      fail();
+    } catch (IllegalArgumentException e) {
+      assertEquals("Invalid data length, expected 40 bytes, got 32", e.getMessage());
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount(
+          "MA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJUAAAAAAAAAAAACJUR");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount("GA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJVSGZA");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount("G47QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJVP2I");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount(
+          "MA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJVAAAAAAAAAAAAAJLKA");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount(
+          "M47QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJUAAAAAAAAAAAACJUQ");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount(
+          "M47QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJUAAAAAAAAAAAACJUQ");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount(
+          "MA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJUAAAAAAAAAAAACJUK");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount(
+          "MA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJUAAAAAAAAAAAACJUO");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount("");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount("SBCVMMCBEDB64TVJZFYJOJAERZC4YVVUOE6SYR2Y76CBTENGUSGWRRVO");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount(
+          "MCEO75Y6YKE53HM6N46IJYH3LK3YYFZ4QWGNUKCSSIQSH3KOAD7BEAAAAAAAAAAAPNT2W___");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount(
+          "MDWZCOEQRODFCH6ISYQPWY67L3ULLWS5ISXYYL5GH43W7YFMTLB64AAAAAAAAAAAAHGLW===");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+
+    try {
+      StrKey.encodeToXDRMuxedAccount(
+          " MA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJVAAAAAAAAAAAAAJLK");
+      fail();
+    } catch (IllegalArgumentException ignored) {
+    }
+  }
+}