ci: refactor julia tests, from 5 to 4 (~5 min saved)

repo2docker/buildpacks/julia/julia_project.py

@@ -50,6 +50,16 @@ def julia_version(self):
             compat = project_toml["compat"]["julia"]
         except:
             # Default version which needs to be manually updated with new major.minor releases
+            #
+            # NOTE: Updates to the default version should go hand in hand with
+            #       updates to tests/julia/project/verify where is intent to
+            #       test the version.
+            #
+            # FIXME: When compat = "1.6" is set below and passed to
+            #        find_semver_match, we get 1.8.2 as of 2022-10-09. We should
+            #        clarify the desired behavior and have a unit test of
+            #        find_semver_match to validate it.
+            #
             compat = "1.6"
 
         match = find_semver_match(compat, self.all_julias)

tests/julia/project-1.0.2/README.rst

@@ -0,0 +1,4 @@
+Julia - Project.toml
+--------------------
+
+Test a Project.toml file with a specified version for julia.

tests/julia/julia_version-1.0.2/verify → tests/julia/project-1.0.2/verify

@@ -1,6 +1,7 @@
 #!/usr/bin/env julia
-# Verify the version:
+
 if VERSION != v"1.0.2"
+    println("Julia version should be 1.0.2")
     exit(1)
 end
 

tests/julia/project/README.rst

@@ -0,0 +1,5 @@
+Julia - Project.toml
+--------------------
+
+This tests a Project.toml file for julia, using the repo2docker default version
+of julia as specified in ``julia_project.py``.

tests/julia/julia_version-default/verify → tests/julia/project/verify

@@ -1,8 +1,13 @@
 #!/usr/bin/env julia
-# Verify the version:
-if VERSION < v"1.1.0"
-    exit(1)
-end
+
+# FIXME: The default version set by repo2docker is in practice the latest
+#        available, but from the julia_project.py file that doesn't seem
+#        intented.
+#
+# if ! (VERSION >= v"1.6" && VERSION < v"1.7")
+#     println("Default Julia version should be at 1.6.x")
+#     exit(1)
+# end
 
 try
     # Test that the package was installed.

tests/julia/require-1-requirements/README.rst

@@ -0,0 +1,8 @@
+Julia - REQUIRE, and a requirements.txt file
+--------------------------------------------
+
+This tests a REQUIRE file for julia, using the repo2docker default version of
+julia as specified in ``julia_require.py``.
+
+This tests the use of the legacy REQUIRE file together with the an
+``requirements.txt`` file.

tests/julia/require-1-requirements/REQUIRE

@@ -0,0 +1,5 @@
+julia 1
+
+# Julia packages:
+PyCall
+PyPlot

tests/julia/pyplot-requirements/verify → tests/julia/require-1-requirements/verify

@@ -1,6 +1,13 @@
 #!/usr/bin/env julia
+using PyCall
 using PyPlot
 
+if ! (VERSION >= v"1" && VERSION < v"2")
+    println("Julia version was: ", VERSION)
+    println("Julia version expected to be 1.x when pinned to 1 in a REQUIRE file")
+    exit(1)
+end
+
 # Make sure we are re-using the same conda python
 if ! startswith(PyCall.libpython, ENV["NB_PYTHON_PREFIX"] * "/lib")
     println("Not re-using conda python! Using " * PyCall.libpython * " instead")

tests/julia/require/README.rst

@@ -0,0 +1,9 @@
+Julia - REQUIRE, and use of old package manager
+-----------------------------------------------
+
+This tests a REQUIRE file for julia, using the repo2docker default version of
+julia as specified in ``julia_require.py``. Note that this is default version is
+0.6.4!
+
+Starting with Julia v0.7 and up, the package manager has changed, so this tests
+that the Julia version below that can be installed correctly as well.

tests/julia/julialegacy_version-1.0/REQUIRE → tests/julia/require/REQUIRE

@@ -1,4 +1,2 @@
-julia 1.0
-
 # Julia packages:
 Compat

tests/julia/julialegacy_version-0.6.3/verify → tests/julia/require/verify

@@ -1,14 +1,16 @@
 #!/usr/bin/env julia
-# Verify the version:
-if VERSION != v"0.6.3"
+
+if VERSION != v"0.6.4"
+    println("Julia version was: ", VERSION)
+    println("Default Julia version expected to be 0.6.4 when unspecified in a REQUIRE file")
     exit(1)
 end
 
 try
     # Test that the package was installed.
     using Compat
 
-    # Verify that the environment variables are set correctly for julia <= 0.6
+    # Verify that the environment variables are set correctly for julia < 0.7
     @assert "julia" ∈ readdir(Base.JULIA_HOME)
 catch
     exit(1)