Added testing framework modifications for flow DAT 10586 (#2981)

Co-authored-by: Steven Massaro <steven.massaro.web@gmail.com>

liquibase-extension-testing/src/main/groovy/liquibase/extension/testing/command/CommandTests.groovy

@@ -1105,6 +1105,9 @@ Long Description: ${commandDefinition.getLongDescription() ?: "NOT SET"}
             this.setups.add(new SetupModifyTextFile(textFile, originalString, newString))
         }
 
+        void modifyDbCredentials(File textFile) {
+            this.setups.add(new SetupModifyDbCredentials(textFile))
+        }
         private void validate() throws IllegalArgumentException {
 
         }

liquibase-extension-testing/src/main/groovy/liquibase/extension/testing/setup/SetupModifyDbCredentials.groovy

@@ -0,0 +1,31 @@
+package liquibase.extension.testing.setup
+
+import liquibase.util.FileUtil
+
+/**
+ *
+ * This class allows modification of a text file to
+ * replace tokens with the actual database credential
+ * as specified in the environment
+ *
+ */
+class SetupModifyDbCredentials extends TestSetup {
+
+    private static final String URL = "_URL_"
+    private static final String USERNAME = "_USERNAME_"
+    private static final String PASSWORD = "_PASSWORD_"
+    private final File textFile
+
+    SetupModifyDbCredentials(File textFile) {
+        this.textFile = textFile
+    }
+
+    @Override
+    void setup(TestSetupEnvironment testSetupEnvironment) throws Exception {
+        String contents = FileUtil.getContents(textFile)
+        contents = contents.replaceAll(URL, testSetupEnvironment.url)
+        contents = contents.replaceAll(USERNAME, testSetupEnvironment.username)
+        contents = contents.replaceAll(PASSWORD, testSetupEnvironment.password)
+        FileUtil.write(contents, textFile)
+    }
+}