1 files changed, 59 insertions, 0 deletions
diff --git a/tests/test_architecture.py b/tests/test_architecture.py
new file mode 100644
index 0000000..b0431bc
--- /dev/null
+++ b/tests/test_architecture.py
@@ -0,0 +1,59 @@
+from debputy.architecture_support import faked_arch_table
+
+
+# Ensure our mocks seem to be working reasonably
+def test_mock_arch_table():
+    amd64_native_table = faked_arch_table("amd64")
+    amd64_cross_table = faked_arch_table("amd64", build_arch="i386")
+    amd64_cross_target_table = faked_arch_table("amd64", target_arch="arm64")
+    all_differ_table = faked_arch_table("amd64", build_arch="i386", target_arch="arm64")
+
+    for var_stem in ["ARCH", "MULTIARCH"]:
+        host_var = f"DEB_HOST_{var_stem}"
+        build_var = f"DEB_BUILD_{var_stem}"
+        target_var = f"DEB_TARGET_{var_stem}"
+
+        assert (
+            amd64_cross_table.current_host_arch == amd64_native_table.current_host_arch
+        )
+        assert amd64_native_table[host_var] == amd64_native_table[build_var]
+        assert amd64_native_table[host_var] == amd64_native_table[target_var]
+
+        # HOST_ARCH differ in a cross build, but the rest remain the same
+        assert amd64_cross_table[host_var] == amd64_native_table[host_var]
+        assert amd64_cross_table[target_var] == amd64_native_table[target_var]
+        assert amd64_cross_table[build_var] != amd64_native_table[build_var]
+        assert amd64_cross_table[target_var] == amd64_native_table[target_var]
+        assert (
+            amd64_cross_table.current_host_multiarch
+            == amd64_native_table.current_host_multiarch
+        )
+
+        # TARGET_ARCH differ in a cross-compiler build, but the rest remain the same
+        assert amd64_cross_target_table[host_var] == amd64_native_table[host_var]
+        assert amd64_cross_target_table[target_var] != amd64_native_table[target_var]
+        assert amd64_cross_target_table[build_var] == amd64_native_table[build_var]
+        assert (
+            amd64_cross_target_table.current_host_multiarch
+            == amd64_native_table.current_host_multiarch
+        )
+
+        # TARGET_ARCH differ in a cross-compiler build, but the rest remain the same
+        assert all_differ_table[host_var] == amd64_native_table[host_var]
+        assert all_differ_table[target_var] != amd64_native_table[target_var]
+        assert all_differ_table[build_var] != amd64_native_table[build_var]
+        assert all_differ_table[build_var] == amd64_cross_table[build_var]
+        assert all_differ_table[target_var] == amd64_cross_target_table[target_var]
+        assert (
+            all_differ_table.current_host_arch == amd64_native_table.current_host_arch
+        )
+        assert (
+            all_differ_table.current_host_multiarch
+            == amd64_native_table.current_host_multiarch
+        )
+
+    # Finally, check is_cross_compiling
+    assert not amd64_native_table.is_cross_compiling
+    assert amd64_cross_table.is_cross_compiling
+    assert not amd64_cross_target_table.is_cross_compiling
+    assert all_differ_table.is_cross_compiling