Don't cause set tags for current_path to disappear in nested

interpretation

Author: jasmith-hs

src/main/java/com/hubspot/jinjava/lib/tag/eager/EagerSetTagStrategy.java

@@ -5,6 +5,7 @@
 import com.hubspot.jinjava.interpret.JinjavaInterpreter;
 import com.hubspot.jinjava.interpret.MetaContextVariables;
 import com.hubspot.jinjava.lib.tag.SetTag;
+import com.hubspot.jinjava.loader.RelativePathResolver;
 import com.hubspot.jinjava.tree.TagNode;
 import com.hubspot.jinjava.util.EagerReconstructionUtils;
 import com.hubspot.jinjava.util.PrefixToPreserveState;
@@ -53,9 +54,14 @@ public String run(TagNode tagNode, JinjavaInterpreter interpreter) {
       expression,
       interpreter
     );
+    boolean triedResolve = false;
     if (
       eagerExecutionResult.getResult().isFullyResolved() &&
-      !interpreter.getContext().isDeferredExecutionMode()
+      !interpreter.getContext().isDeferredExecutionMode() &&
+      (Arrays
+          .stream(variables)
+          .noneMatch(RelativePathResolver.CURRENT_PATH_CONTEXT_KEY::equals) ||
+        interpreter.getContext().getPenultimateParent().getDeferredTokens().isEmpty()) // Prevents set tags from disappearing in nested interpretation
     ) {
       EagerReconstructionUtils.commitSpeculativeBindings(
         interpreter,
@@ -67,6 +73,7 @@ public String run(TagNode tagNode, JinjavaInterpreter interpreter) {
         eagerExecutionResult,
         interpreter
       );
+      triedResolve = true;
       if (maybeResolved.isPresent()) {
         return maybeResolved.get();
       }
@@ -77,10 +84,7 @@ public String run(TagNode tagNode, JinjavaInterpreter interpreter) {
       eagerExecutionResult,
       interpreter
     );
-    if (
-      eagerExecutionResult.getResult().isFullyResolved() &&
-      interpreter.getContext().isDeferredExecutionMode()
-    ) {
+    if (eagerExecutionResult.getResult().isFullyResolved() && !triedResolve) {
       attemptResolve(tagNode, variables, eagerExecutionResult, interpreter);
     }
     return buildImage(tagNode, variables, eagerExecutionResult, triple, interpreter);

src/test/java/com/hubspot/jinjava/ExpectedTemplateInterpreter.java

@@ -6,6 +6,7 @@
 import com.google.common.io.Resources;
 import com.hubspot.jinjava.interpret.JinjavaInterpreter;
 import com.hubspot.jinjava.interpret.JinjavaInterpreter.InterpreterScopeClosable;
+import com.hubspot.jinjava.loader.RelativePathResolver;
 import com.hubspot.jinjava.mode.DefaultExecutionMode;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
@@ -147,6 +148,12 @@ public String getFixtureTemplate(String name) {
           .getContext()
           .getCurrentPathStack()
           .push(String.format("%s/%s.jinja", path, name), 0, 0);
+        interpreter
+          .getContext()
+          .put(
+            RelativePathResolver.CURRENT_PATH_CONTEXT_KEY,
+            String.format("%s/%s.jinja", path, name)
+          );
       }
       return simplify(
         Resources.toString(

src/test/java/com/hubspot/jinjava/lib/tag/eager/EagerImportTagTest.java

@@ -331,6 +331,7 @@ public void itDefersTripleLayer() {
     removeDeferredContextKeys();
     context.put("a_val", "a");
     // There are some extras due to deferred values copying up the context stack.
+    context.getDeferredTokens().clear();
     assertThat(interpreter.render(result).trim())
       .isEqualTo(
         interpreter.render(
@@ -363,6 +364,7 @@ public void itDefersQuadLayer() {
     removeDeferredContextKeys();
 
     context.put("a_val", "a");
+    context.getDeferredTokens().clear();
     assertThat(interpreter.render(result).trim()).isEqualTo("12345 cbaabaaba");
   }
 
@@ -655,6 +657,7 @@ public void itDoesNotSilentlyOverrideVariable() {
         "{{ vars.foo }}"
       );
     interpreter.getContext().put("deferred", "resolved");
+    context.getDeferredTokens().clear();
     assertThat(interpreter.render(result)).isEqualTo("ab");
   }
 
@@ -687,6 +690,7 @@ public void itDoesNotSilentlyOverrideVariableWithoutAlias() {
       );
 
     interpreter.getContext().put("deferred", "resolved");
+    context.getDeferredTokens().clear();
     assertThat(interpreter.render(result)).isEqualTo("ab");
   }
 

src/test/resources/eager/wraps-macro-that-would-change-current-path-in-child-scope/test.expected.jinja

@@ -1,8 +1,10 @@
-Starting current_path: starting path
-Intermediate current_path: starting path
+Starting current_path: eager/wraps-macro-that-would-change-current-path-in-child-scope/test.jinja
+Intermediate current_path: eager/wraps-macro-that-would-change-current-path-in-child-scope/test.jinja
 {% for __ignored__ in [0] %}\
+{% set __temp_meta_current_path_629250870__,current_path = 'eager/wraps-macro-that-would-change-current-path-in-child-scope/test.jinja', 'eager/wraps-macro-that-would-change-current-path-in-child-scope/dir2/included.jinja' %}\
 {% set foo = deferred %}
 {{ foo }}\
+{% set current_path,__temp_meta_current_path_629250870__ = 'eager/wraps-macro-that-would-change-current-path-in-child-scope/test.jinja', null %}\
 {% print foo %}\
 {% endfor %}
-Ending current_path: starting path
+Ending current_path: eager/wraps-macro-that-would-change-current-path-in-child-scope/test.jinja