template: Add integration tests for `trim_blocks'

Signed-off-by: Alex Tsitsimpis <alextsi@arrikto.com>

test/integration/targets/template/files/trim_blocks_false.expected

@@ -0,0 +1,4 @@
+
+Hello world
+
+Goodbye

test/integration/targets/template/files/trim_blocks_true.expected

@@ -0,0 +1,2 @@
+Hello world
+Goodbye

test/integration/targets/template/tasks/main.yml

@@ -120,6 +120,42 @@
         - 'import_as_with_context_diff_result.stdout == ""'
         - "import_as_with_context_diff_result.rc == 0"
 
+# VERIFY trim_blocks
+
+- name: Render a template with "trim_blocks" set to False
+  template:
+    src: trim_blocks.j2
+    dest: "{{output_dir}}/trim_blocks_false.templated"
+    trim_blocks: False
+  register: trim_blocks_false_result
+
+- name: Get checksum of known good trim_blocks_false.expected
+  stat:
+    path: "{{role_path}}/files/trim_blocks_false.expected"
+  register: trim_blocks_false_good
+
+- name: Verify templated trim_blocks_false matches known good using checksum
+  assert:
+    that:
+        - "trim_blocks_false_result.checksum == trim_blocks_false_good.stat.checksum"
+
+- name: Render a template with "trim_blocks" set to True
+  template:
+    src: trim_blocks.j2
+    dest: "{{output_dir}}/trim_blocks_true.templated"
+    trim_blocks: True
+  register: trim_blocks_true_result
+
+- name: Get checksum of known good trim_blocks_true.expected
+  stat:
+    path: "{{role_path}}/files/trim_blocks_true.expected"
+  register: trim_blocks_true_good
+
+- name: Verify templated trim_blocks_true matches known good using checksum
+  assert:
+    that:
+        - "trim_blocks_true_result.checksum == trim_blocks_true_good.stat.checksum"
+
 # VERIFY lstrip_blocks
 
 - name: Check support for lstrip_blocks in Jinja2

test/integration/targets/template/templates/trim_blocks.j2

@@ -0,0 +1,4 @@
+{% if True %}
+Hello world
+{% endif %}
+Goodbye