[NC-2094] Tests that cli options are disabled under docker, and that datadir defaults (#566)

Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>

pantheon/src/test/java/tech/pegasys/pantheon/cli/PantheonCommandTest.java

@@ -15,6 +15,7 @@ package tech.pegasys.pantheon.cli;
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static java.util.Arrays.asList;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assume.assumeFalse;
 import static org.junit.Assume.assumeTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
@@ -422,6 +423,18 @@ public class PantheonCommandTest extends CommandTestAbstract {
     assertThat(commandErrorOutput.toString()).isEmpty();
   }
 
+  @Test
+  public void configOptionDisabledUnderDocker() {
+    System.setProperty("pantheon.docker", "true");
+
+    assumeFalse(isFullInstantiation());
+
+    final Path path = Paths.get(".");
+    parseCommand("--config", path.toString());
+    assertThat(commandErrorOutput.toString()).startsWith("Unknown options: --config, .");
+    assertThat(commandOutput.toString()).isEmpty();
+  }
+
   @Test
   public void nodekeyOptionMustBeUsed() throws Exception {
     final File file = new File("./specific/key");
@@ -458,6 +471,31 @@ public class PantheonCommandTest extends CommandTestAbstract {
     assertThat(commandErrorOutput.toString()).isEmpty();
   }
 
+  @Test
+  public void dataDirDisabledUnderDocker() {
+    System.setProperty("pantheon.docker", "true");
+
+    assumeFalse(isFullInstantiation());
+
+    final Path path = Paths.get(".");
+
+    parseCommand("--datadir", path.toString());
+    assertThat(commandErrorOutput.toString()).startsWith("Unknown options: --datadir, .");
+    assertThat(commandOutput.toString()).isEmpty();
+  }
+
+  @Test
+  public void dataDirDefaultedUnderDocker() {
+    System.setProperty("pantheon.docker", "true");
+
+    assumeFalse(isFullInstantiation());
+
+    parseCommand();
+
+    verify(mockControllerBuilder).homePath(pathArgumentCaptor.capture());
+    assertThat(pathArgumentCaptor.getValue()).isEqualByComparingTo(Paths.get("/var/lib/pantheon"));
+  }
+
   @Test
   public void genesisPathOptionMustBeUsed() throws Exception {
     assumeTrue(isFullInstantiation());
@@ -477,6 +515,19 @@ public class PantheonCommandTest extends CommandTestAbstract {
     assertThat(commandErrorOutput.toString()).isEmpty();
   }
 
+  @Test
+  public void genesisPathDisabledUnderDocker() {
+    System.setProperty("pantheon.docker", "true");
+
+    assumeFalse(isFullInstantiation());
+
+    final Path path = Paths.get(".");
+
+    parseCommand("--genesis", path.toString());
+    assertThat(commandErrorOutput.toString()).startsWith("Unknown options: --genesis, .");
+    assertThat(commandOutput.toString()).isEmpty();
+  }
+
   @Test
   public void discoveryOptionMustBeUsed() {
     parseCommand("--no-discovery");