SQSCANNER-9 Allow to use variables in the configuration file

1 files changed, 123 insertions, 0 deletions

diff --git a/src/test/java/org/sonarsource/scanner/cli/PropertyResolverTest.java b/src/test/java/org/sonarsource/scanner/cli/PropertyResolverTest.java
new file mode 100644
index 0000000..659d4a8
--- /dev/null
+++ b/src/test/java/org/sonarsource/scanner/cli/PropertyResolverTest.java
@@ -0,0 +1,123 @@
+/*
+ * SonarQube Scanner
+ * Copyright (C) 2011-2017 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonarsource.scanner.cli;
+
+import static org.fest.assertions.Assertions.assertThat;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+public class PropertyResolverTest {
+  @Rule
+  public ExpectedException exception = ExpectedException.none();
+
+  @Test
+  public void resolve_properties() {
+    Properties map = new Properties();
+    Map<String, String> env = new HashMap<>();
+
+    // resolve
+    map.put("A", "value a");
+    map.put("B", "value b");
+    map.put("C", "${A} ${B} ${nonexisting}");
+
+    PropertyResolver resolver = new PropertyResolver(map, env);
+    Properties resolved = resolver.resolve();
+    assertThat(resolved.get("A")).isEqualTo("value a");
+    assertThat(resolved.get("B")).isEqualTo("value b");
+    assertThat(resolved.get("C")).isEqualTo("value a value b ");
+
+    map.clear();
+    map.put("sonar.login", "admin");
+    map.put("sonar.password", "${sonar.login}");
+
+    resolver = new PropertyResolver(map, env);
+    resolved = resolver.resolve();
+    assertThat(resolved.get("sonar.password")).isEqualTo("admin");
+  }
+
+  @Test
+  public void use_env() {
+    Properties map = new Properties();
+    Map<String, String> env = new HashMap<>();
+
+    // resolve
+    map.put("A", "invalid");
+    map.put("B", "value b");
+    map.put("C", "${env.A} ${B} ${nonexisting}");
+    env.put("A", "value a");
+
+    PropertyResolver resolver = new PropertyResolver(map, env);
+    Properties resolved = resolver.resolve();
+    assertThat(resolved.get("A")).isEqualTo("invalid");
+    assertThat(resolved.get("B")).isEqualTo("value b");
+    assertThat(resolved.get("C")).isEqualTo("value a value b ");
+  }
+
+  @Test
+  public void resolve_recursively() {
+    Properties map = new Properties();
+    Map<String, String> env = new HashMap<>();
+    map.put("A", "value a");
+    map.put("B", "${A}");
+    map.put("C", "${A} ${B}");
+
+    PropertyResolver resolver = new PropertyResolver(map, env);
+    Properties resolved = resolver.resolve();
+    assertThat(resolved.get("A")).isEqualTo("value a");
+    assertThat(resolved.get("B")).isEqualTo("value a");
+    assertThat(resolved.get("C")).isEqualTo("value a value a");
+  }
+
+  @Test
+  public void dont_resolve_nested() {
+    Properties map = new Properties();
+    Map<String, String> env = new HashMap<>();
+    map.put("A", "value a");
+    map.put("B", "value b");
+    map.put("C", "${A ${B}}");
+
+    PropertyResolver resolver = new PropertyResolver(map, env);
+    Properties resolved = resolver.resolve();
+    assertThat(resolved.get("A")).isEqualTo("value a");
+    assertThat(resolved.get("B")).isEqualTo("value b");
+    assertThat(resolved.get("C")).isEqualTo("${A value b}");
+  }
+
+  @Test
+  public void fail_loop_properties_resolution() {
+    Properties map = new Properties();
+    Map<String, String> env = new HashMap<>();
+
+    // resolve
+    map.put("A", "${B}");
+    map.put("B", "${A}");
+
+    exception.expect(IllegalArgumentException.class);
+    exception.expectMessage("variable: B");
+    PropertyResolver resolver = new PropertyResolver(map, env);
+    resolver.resolve();
+  }
+}