Implement include from compose-spec

Signed-off-by: Mahmoud Abduljawad <mahmoud@masaar.com>

tests/test_podman_compose_include.py

@@ -0,0 +1,71 @@
+from pathlib import Path
+import subprocess
+
+
+def capture(command):
+    proc = subprocess.Popen(
+        command,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+    )
+    out, err = proc.communicate()
+    return out, err, proc.returncode
+
+
+def test_podman_compose_include():
+    """
+    Test that podman-compose can execute podman-compose -f <file> up with include
+    :return:
+    """
+    main_path = Path(__file__).parent.parent
+
+    command_up = [
+        "python3",
+        str(main_path.joinpath("podman_compose.py")),
+        "-f",
+        str(main_path.joinpath("tests", "include", "docker-compose.yaml")),
+        "up",
+        "-d",
+    ]
+
+    command_check_container = [
+        "podman",
+        "ps",
+        "-a",
+        "--filter",
+        "label=io.podman.compose.project=include",
+        "--format",
+        '"{{.Image}}"',
+    ]
+
+    command_container_id = [
+        "podman",
+        "ps",
+        "-a",
+        "--filter",
+        "label=io.podman.compose.project=include",
+        "--format",
+        '"{{.ID}}"',
+    ]
+
+    command_down = ["podman", "rm", "--force", "CONTAINER_ID"]
+
+    out, _, returncode = capture(command_up)
+    assert 0 == returncode
+    out, _, returncode = capture(command_check_container)
+    assert 0 == returncode
+    assert out == b'"docker.io/library/busybox:latest"\n'
+    # Get container ID to remove it
+    out, _, returncode = capture(command_container_id)
+    assert 0 == returncode
+    assert out != b""
+    container_id = out.decode().strip().replace('"', "")
+    command_down[3] = container_id
+    out, _, returncode = capture(command_down)
+    # cleanup test image(tags)
+    assert 0 == returncode
+    assert out != b""
+    # check container did not exists anymore
+    out, _, returncode = capture(command_check_container)
+    assert 0 == returncode
+    assert out == b""