[pve-devel] [PATCH proxmox 2/2] oci: test replacing files in subsequent layers

[Filip Schauer <f.schauer@proxmox.com>]

Add tests that verify later layer entries properly replace paths from
earlier layers.

Signed-off-by: Filip Schauer <f.schauer@proxmox.com>
---
 proxmox-oci/tests/extract_replace.rs          |  57 ++++++++++++++++++
 .../oci_test_replace_dir_with_file.tar        | Bin 0 -> 8704 bytes
 .../oci_image_data/oci_test_replace_file.tar  | Bin 0 -> 8704 bytes
 .../oci_test_replace_file_with_dir.tar        | Bin 0 -> 8704 bytes
 4 files changed, 57 insertions(+)
 create mode 100644 proxmox-oci/tests/extract_replace.rs
 create mode 100644 proxmox-oci/tests/oci_image_data/oci_test_replace_dir_with_file.tar
 create mode 100644 proxmox-oci/tests/oci_image_data/oci_test_replace_file.tar
 create mode 100644 proxmox-oci/tests/oci_image_data/oci_test_replace_file_with_dir.tar

diff --git a/proxmox-oci/tests/extract_replace.rs b/proxmox-oci/tests/extract_replace.rs
new file mode 100644
index 00000000..eb41f9e3
--- /dev/null
+++ b/proxmox-oci/tests/extract_replace.rs
@@ -0,0 +1,57 @@
+use std::fs::{read_to_string, remove_dir_all};
+
+use proxmox_oci::{parse_and_extract_image, Arch};
+use proxmox_sys::fs::make_tmp_dir;
+
+#[test]
+fn test_replace_file() {
+    let extract_dir = make_tmp_dir("/tmp/", None).unwrap();
+
+    parse_and_extract_image(
+        &"tests/oci_image_data/oci_test_replace_file.tar".into(),
+        &extract_dir,
+        Some(&Arch::Amd64),
+    )
+    .unwrap();
+
+    let replaced_path = extract_dir.join("etc/a");
+    assert!(replaced_path.is_file());
+    assert_eq!(read_to_string(replaced_path).unwrap(), "2");
+
+    // Cleanup
+    remove_dir_all(extract_dir).unwrap();
+}
+
+#[test]
+fn test_replace_file_with_dir() {
+    let extract_dir = make_tmp_dir("/tmp/", None).unwrap();
+
+    parse_and_extract_image(
+        &"tests/oci_image_data/oci_test_replace_file_with_dir.tar".into(),
+        &extract_dir,
+        Some(&Arch::Amd64),
+    )
+    .unwrap();
+
+    assert!(extract_dir.join("etc/a").is_dir());
+
+    // Cleanup
+    remove_dir_all(extract_dir).unwrap();
+}
+
+#[test]
+fn test_replace_dir_with_file() {
+    let extract_dir = make_tmp_dir("/tmp/", None).unwrap();
+
+    parse_and_extract_image(
+        &"tests/oci_image_data/oci_test_replace_dir_with_file.tar".into(),
+        &extract_dir,
+        Some(&Arch::Amd64),
+    )
+    .unwrap();
+
+    assert!(extract_dir.join("etc/a").is_file());
+
+    // Cleanup
+    remove_dir_all(extract_dir).unwrap();
+}
diff --git a/proxmox-oci/tests/oci_image_data/oci_test_replace_dir_with_file.tar b/proxmox-oci/tests/oci_image_data/oci_test_replace_dir_with_file.tar
new file mode 100644
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diff --git a/proxmox-oci/tests/oci_image_data/oci_test_replace_file.tar b/proxmox-oci/tests/oci_image_data/oci_test_replace_file.tar
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diff --git a/proxmox-oci/tests/oci_image_data/oci_test_replace_file_with_dir.tar b/proxmox-oci/tests/oci_image_data/oci_test_replace_file_with_dir.tar
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-- 
2.47.3



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