cmd/cue, internal/mod/modimports: add test cases for issue 3795

This CL adds some failing test cases for #3795. The fix will come
in subsequent CLs.

Signed-off-by: Roger Peppe <[email protected]>
Change-Id: I33edf403f0ad1a99c87a9b0544f4993a75059182
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/1211241
Unity-Result: CUE porcuepine <[email protected]>
Reviewed-by: Daniel Martí <[email protected]>
TryBot-Result: CUEcueckoo <[email protected]>

Author: rogpeppe

cmd/cue/cmd/testdata/script/eval_hidden.txtar

@@ -7,8 +7,10 @@ exec cue eval _foo.cue
 cmp stdout expect-stdout-underscore
 
 # Ensure package eval excludes both for completeness
-exec cue eval .
-cmp stdout expect-stdout-pkg
+# TODO fix this
+! exec cue eval .
+cmp stderr expect-stderr-pkg
+# cmp stdout expect-stdout-pkg
 
 -- .foo.cue --
 package foo
@@ -18,6 +20,8 @@ a: 42
 package foo
 
 b: 42
+-- .bar.cue --
+package bar
 -- foo.cue --
 package foo
 
@@ -28,3 +32,5 @@ a: 42
 b: 42
 -- expect-stdout-pkg --
 c: 42
+-- expect-stderr-pkg --
+found packages "bar" (.bar.cue) and "foo" (.foo.cue) in "."

cmd/cue/cmd/testdata/script/pkg_resolution_multiple_packages_build_attr.txtar

@@ -2,15 +2,24 @@
 # what packages it resolves to.
 
 exec cue eval ./...
-cmp stdout stdout.golden
+cmp stdout eval-all.golden
 
 ! exec cue eval -t something ./...
 stderr '^found packages "x" \(x.cue\) and "y" \(y.cue\) in ".*x"$'
 
--- stdout.golden --
+# Test that a non-wildcard pattern similarly respects
+# build attributes.
+
+cd x
+! exec cue eval
+cmp stderr $WORK/eval-x.golden
+
+-- eval-all.golden --
 x: 5
 // ---
 x: 5
+-- eval-x.golden --
+found packages "x" (x.cue) and "y" (y.cue) in "x"
 -- cue.mod/module.cue --
 module: "mod.com"
 language: version: "v0.9.0"

internal/mod/modimports/testdata/simple.txtar

@@ -1,6 +1,9 @@
+TODO fix code so it does not include "hidden" CUE files
 -- want --
 x.cue "dep1" "dep2:a" "dep2:b" "dep3"
 z.cue
+y/.omitted.cue
+y/_omitted.cue
 y/y1.cue "dep3" "dep4"
 y/y2.cue
 y/z1.cue
@@ -41,6 +44,12 @@ package z
 -- y/z2.cue --
 package z
 
+-- y/.omitted.cue --
+package foo
+
+-- y/_omitted.cue --
+package foo
+
 -- z.cue --
 package example