cmd/cue: add failing tests for 'cue get go' transitive deps regression

The following patch will include the fix and change these tests
so that they expect to succeed.

For #3033.

Signed-off-by: Daniel Martí <[email protected]>
Change-Id: I0e5bb77e79a0bd1c339d73c9cf2950630f834672
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/1193698
TryBot-Result: CUEcueckoo <[email protected]>
Unity-Result: CUE porcuepine <[email protected]>
Reviewed-by: Roger Peppe <[email protected]>

cmd/cue/cmd/testdata/mod/externalmod.test_imports_v1.0.0.txtar

@@ -0,0 +1,31 @@
+-- .mod --
+module externalmod.test/imports
+
+-- .info --
+{"Version":"v1.0.0","Time":"2018-10-22T18:45:39Z"}
+
+-- go.mod --
+module externalmod.test/imports
+
+-- root/p.go --
+package root
+
+import "externalmod.test/imports/sub1"
+
+type Type struct {
+	Sub1 sub1.Type
+}
+-- sub1/p.go --
+package sub1
+
+import "externalmod.test/imports/sub2"
+
+type Type struct {
+	Sub2 sub2.Type
+}
+-- sub2/p.go --
+package sub2
+
+type Type struct {
+	Leaf int
+}

cmd/cue/cmd/testdata/script/get_go_non_local.txtar

@@ -1,6 +1,6 @@
 # Test that cue get go works when used without the --local flag
 
-# cue get go currently appear to act like a wrapper around go get.
+# cue get go currently appears to act like a wrapper around go get.
 # But this is going to change: "cue get go" will be renamed "cue import go".
 # When that change happens, cue import go will assume that all
 # required dependencies are present, and fail otherwise.
@@ -15,8 +15,22 @@ cmp cue.mod/gen/externalmod.test/blah/blah_gen.cue cue.mod/gen/externalmod.test/
 # Verify dependencies are as expected
 cmp go.mod go.mod.golden
 
+# Verify that all transitive dependencies are generated properly as well.
+# If any are missing, the evaluation would fail to load them.
+# TODO: broken due to https://cuelang.org/issue/3033.
+go get externalmod.test/imports/[email protected]
+exec cue get go externalmod.test/imports/root
+! exec cue eval uses_imports_root.cue
+stderr 'cannot find package "externalmod.test/imports/sub1"'
+
 -- cue.mod/module.cue --
 module: "mod.test/local"
+-- uses_imports_root.cue --
+package p
+
+import "externalmod.test/imports/root"
+
+root.Type
 
 -- go.mod --
 module mod.test/local

cmd/cue/cmd/testdata/script/get_go_vendor.txtar

@@ -3,10 +3,18 @@
 exec cue get go --local ./x
 cmp x/x_go_gen.cue x_go_gen.cue.golden
 
+# Verify that all transitive dependencies were generated properly.
+# If any are missing, the evaluation would fail to load them.
+# TODO: broken due to https://cuelang.org/issue/3033.
+! exec cue eval ./x
+stderr 'no CUE files in mod.test/z'
+
 -- go.mod --
 module mod.test
 
 go 1.21
+-- cue.mod/module.cue --
+module: "mod.test"
 -- x/x.go --
 package x