Cleanup /libpod/images/load handler

* Remove orphaned code
* Add meaningful error from LoadImageFromSingleImageArchive() when
  heuristic fails to determine payload format
* Correct swagger to output correct types and headers

Signed-off-by: Jhon Honce <jhonce@redhat.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/test/system/120-load.bats b/test/system/120-load.bats
index 95113c4a6..d29be462d 100644
--- a/test/system/120-load.bats
+++ b/test/system/120-load.bats
@@ -32,7 +32,7 @@ verify_iid_and_name() {
     echo "I am an invalid file and should cause a podman-load error" > $invalid
     run_podman 125 load -i $invalid
     # podman and podman-remote emit different messages; this is a common string
-    is "$output" ".*error pulling image: unable to pull .*" \
+    is "$output" ".*payload does not match any of the supported image formats .*" \
        "load -i INVALID fails with expected diagnostic"
 }
 
@@ -137,6 +137,13 @@ verify_iid_and_name() {
        "Diagnostic from 'podman load' without redirection or -i"
 }
 
+@test "podman load - redirect corrupt payload" {
+    run_podman 125 load <<< "Danger, Will Robinson!! This is a corrupt tarball!"
+    is "$output" \
+        ".*payload does not match any of the supported image formats .*" \
+        "Diagnostic from 'podman load' unknown/corrupt payload"
+}
+
 @test "podman load - multi-image archive" {
     img1="quay.io/libpod/testimage:00000000"
     img2="quay.io/libpod/testimage:20200902"