Test behaviour of loop keyword plus lookup plugins

We introduced the new loop keyword as a replacement for with without
adding tests that it behaved as we expected.  This test asserts that
behaviour.

Incidentally, it also shows how to use parameters with lookups and loops
now.

test/integration/targets/loops/files/data1.txt

@@ -0,0 +1 @@
+      Hello World

test/integration/targets/loops/files/data2.txt

@@ -0,0 +1 @@
+ Olá Mundo

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

@@ -18,3 +18,131 @@
 - assert:
     that:
     - '(after.stdout |int) - (before.stdout|int) >= 4'
+
+#
+# Tests of loop syntax with args
+#
+
+- name: Test that with_list works with a list
+  ping:
+    data: '{{ item }}'
+  with_list:
+    - 'Hello World'
+    - 'Olá Mundo'
+  register: results
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results["results"][0]["ping"] == "Hello World"'
+      - 'results["results"][1]["ping"] == "Olá Mundo"'
+
+- name: Test that with_list works with a list inside a variable
+  ping:
+    data: '{{ item }}'
+  with_list: '{{ phrases }}'
+  register: results2
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results2["results"][0]["ping"] == "Hello World"'
+      - 'results2["results"][1]["ping"] == "Olá Mundo"'
+
+- name: Test that loop works with a manual list
+  ping:
+    data: '{{ item }}'
+  loop:
+    - 'Hello World'
+    - 'Olá Mundo'
+  register: results3
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results3["results"][0]["ping"] == "Hello World"'
+      - 'results3["results"][1]["ping"] == "Olá Mundo"'
+
+- name: Test that loop works with a list in a variable
+  ping:
+    data: '{{ item }}'
+  loop: '{{ phrases }}'
+  register: results4
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results4["results"][0]["ping"] == "Hello World"'
+      - 'results4["results"][1]["ping"] == "Olá Mundo"'
+
+- name: Test that loop works with a list via the list lookup
+  ping:
+    data: '{{ item }}'
+  loop: '{{ lookup("list", "Hello World", "Olá Mundo", wantlist=True) }}'
+  register: results5
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results5["results"][0]["ping"] == "Hello World"'
+      - 'results5["results"][1]["ping"] == "Olá Mundo"'
+
+- name: Test that loop works with a list in a variable via the list lookup
+  ping:
+    data: '{{ item }}'
+  loop: '{{ lookup("list", wantlist=True, *phrases) }}'
+  register: results6
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results6["results"][0]["ping"] == "Hello World"'
+      - 'results6["results"][1]["ping"] == "Olá Mundo"'
+
+- name: Test that loop works with a list via the query lookup
+  ping:
+    data: '{{ item }}'
+  loop: '{{ query("list", "Hello World", "Olá Mundo") }}'
+  register: results7
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results7["results"][0]["ping"] == "Hello World"'
+      - 'results7["results"][1]["ping"] == "Olá Mundo"'
+
+- name: Test that loop works with a list in a variable via the query lookup
+  ping:
+    data: '{{ item }}'
+  loop: '{{ q("list", *phrases) }}'
+  register: results8
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results8["results"][0]["ping"] == "Hello World"'
+      - 'results8["results"][1]["ping"] == "Olá Mundo"'
+
+- name: Test that loop works with a list and keyword args
+  ping:
+    data: '{{ item }}'
+  loop: '{{ q("file", "data1.txt", "data2.txt", lstrip=True) }}'
+  register: results9
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results9["results"][0]["ping"] == "Hello World"'
+      - 'results9["results"][1]["ping"] == "Olá Mundo"'
+
+- name: Test that loop works with a list in variable and keyword args
+  ping:
+    data: '{{ item }}'
+  loop: '{{ q("file", lstrip=True, *filenames) }}'
+  register: results10
+
+- name: Assert that we ran the module twice with the correct strings
+  assert:
+    that:
+      - 'results10["results"][0]["ping"] == "Hello World"'
+      - 'results10["results"][1]["ping"] == "Olá Mundo"'

test/integration/targets/loops/vars/main.yml

@@ -0,0 +1,7 @@
+---
+phrases:
+  - 'Hello World'
+  - 'Olá Mundo'
+filenames:
+  - 'data1.txt'
+  - 'data2.txt'