ADD CONTAINS

build/dockerfile

@@ -4,6 +4,8 @@ RUN useradd -d /home/mario -m -s /bin/bash mario
 
 COPY words /usr/local/tomcat/webapps/
 
+RUN bash -c 'echo bar >> /tmp/foo.txt'
+
 RUN apt-get update && apt-get install -y vim
 
 USER mario

build/tester.go

@@ -208,9 +208,22 @@ func Assert2Ephemeral(command *parser.Command) (*parser.Command, error) {
 		}
 		test += command.Args[2]
 		ephemeral.Args = append(ephemeral.Args, test)
+
+    case "CONTAINS":
+        if len(command.Args) != 4 {
+            return nil, fmt.Errorf("Condition %s accept one and only one argument (found %d)", "CONTAINS", len(command.Args)-3)
+        }
+        ephemeral.Args = append(ephemeral.Args, "bash", "-c")
+        test := "grep "
+        if command.Args[0] == commands.AssertFalse {
+            test += "! "
+        }
+        test += command.Args[2] + " " + command.Args[3]
+        ephemeral.Args = append(ephemeral.Args, test)
+
 
 	default:
-		return nil, fmt.Errorf("Condition %s is not supported. Only %s, %s, %s and %s are currently supported. Please open an issue if you want to add support for it.", command.Args[1], "USER_EXISTS", "FILE_EXISTS", "CURRENT_USER_IS", "IS_INSTALLED", "IS_RUNNING")
+		return nil, fmt.Errorf("Condition %s is not supported. Only %s, %s, %s and %s are currently supported. Please open an issue if you want to add support for it.", command.Args[1], "USER_EXISTS", "FILE_EXISTS", "CURRENT_USER_IS", "IS_INSTALLED", "IS_RUNNING", "CONTAINS")
 	}
 
 	return ephemeral, nil

build/tester_test.go

@@ -25,8 +25,8 @@ func TestNewTester(t *testing.T) {
 		t.Errorf("Failed to test file %s", tests)
 	}
 
-	if blockNum := len(tests.testBlocks); blockNum != 8 {
-		t.Errorf("Expected 8 blocks, found %d", blockNum)
+	if blockNum := len(tests.testBlocks); blockNum != 9 {
+		t.Errorf("Expected 9 blocks, found %d", blockNum)
 	}
 }
 
@@ -40,6 +40,8 @@ func TestInjection(t *testing.T) {
 		{Args: []string{"EPHEMERAL", "bash", "-c", "test ! -f /usr/local/tomcat/webapps/words"}},
 		{Args: []string{"COPY", "words", "/usr/local/tomcat/webapps/"}},
 		{Args: []string{"EPHEMERAL", "bash", "-c", "test -f /usr/local/tomcat/webapps/words"}},
+		{Args: []string{"RUN", "bash", "-c", "echo bar >> /tmp/foo.txt"}},
+		{Args: []string{"EPHEMERAL", "bash", "-c", "grep bar /tmp/foo.txt"}},
 		//		{Args: []string{"EPHEMERAL",  "bash", "-c", "test ! \"$(dpkg-query -W -f='${Status}' vim)\" = \"install ok installed\""}},
 		{Args: []string{"EPHEMERAL", "bash", "-c", "! command -v \"vim\"  1>/dev/null 2>&1"}},
 		{Args: []string{"RUN", "apt-get", "update", "&&", "apt-get", "install", "-y", "vim"}},

build/testfile

@@ -8,6 +8,9 @@ ASSERT_FALSE FILE_EXISTS '/usr/local/tomcat/webapps/words'
 @AFTER COPY_WORDS
 ASSERT_TRUE FILE_EXISTS '/usr/local/tomcat/webapps/words'
 
+@AFTER RUN_BASH
+ASSERT_TRUE CONTAINS 'bar' '/tmp/foo.txt'
+
 @BEFORE RUN_APT
 ASSERT_FALSE IS_INSTALLED 'vim'