From 7f093d129b5729f029612cb7c0b0656cbea0f42a Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@gmail.com>
Date: Tue, 12 Nov 2024 17:35:44 +0100
Subject: [PATCH] unit-test: make Spec.compiler behavior stricter

Now the adaptor will raise if the Spec has no C, C++,
or Fortran compiler.
---
 lib/spack/spack/test/package_class.py  |  1 -
 lib/spack/spack/test/spec_semantics.py | 19 +++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/lib/spack/spack/test/package_class.py b/lib/spack/spack/test/package_class.py
index 7cfdf8ac107..acc43aba978 100644
--- a/lib/spack/spack/test/package_class.py
+++ b/lib/spack/spack/test/package_class.py
@@ -306,7 +306,6 @@ def test_package_test_no_compilers(mock_packages, monkeypatch, capfd):
     pkg.do_test()
     error = capfd.readouterr()[1]
     assert "Skipping tests for package" in error
-    assert "test requires missing compiler" in error
 
 
 def test_package_subscript(default_mock_concretization):
diff --git a/lib/spack/spack/test/spec_semantics.py b/lib/spack/spack/test/spec_semantics.py
index 1c771a0e887..2c8258d7772 100644
--- a/lib/spack/spack/test/spec_semantics.py
+++ b/lib/spack/spack/test/spec_semantics.py
@@ -2044,3 +2044,22 @@ def test_satisfies_and_subscript_with_compilers(default_mock_concretization):
 
     # We need to pass through "pkg-a" to get "gmake" with [] notation
     assert s["pkg-a"].dependencies(name="gmake")[0] == s["pkg-a"]["gmake"]
+
+
+@pytest.mark.parametrize(
+    "spec_str,spec_fmt,expected",
+    [
+        # Depends on C
+        ("mpileaks", "{name}-{compiler.name}", "mpileaks-gcc"),
+        ("mpileaks", "{name}-{compiler.name}-{compiler.version}", "mpileaks-gcc-10.2.1"),
+        # No compiler
+        ("pkg-c", "{name}-{compiler.name}", "pkg-c-none"),
+        ("pkg-c", "{name}-{compiler.name}-{compiler.version}", "pkg-c-none-none"),
+    ],
+)
+def test_spec_format_with_compiler_adaptors(
+    spec_str, spec_fmt, expected, default_mock_concretization
+):
+    """Tests the output of spec format, when involving `Spec.compiler` adaptors"""
+    s = default_mock_concretization(spec_str)
+    assert s.format(spec_fmt) == expected