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nogo: Create a go_register_nogo wrapper for WORKSPACE users.
Currently, workspace users register nogo targets by abusing the go_register_toolchain() function, which calls go_register_nogo(). Instead, we should expose go_register_nogo to workspace users directly. This will allow workspace users and bzlmod users to use the same underlying code because go_register_nogo allows users to specify includes and excludes which you currently can't do with WORKSPACE. Add a test to verify this functionality works in WORKSPACE too.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| load("@io_bazel_rules_go//go/tools/bazel_testing:def.bzl", "go_bazel_test") | ||
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| go_bazel_test( | ||
| name = "includes_exclude_test", | ||
| srcs = ["includes_excludes_test.go"], | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| Nogo excludes-includes configuration | ||
| ================== | ||
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| .. _nogo: /go/nogo.rst | ||
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| Tests that verify nogo_ `includes` and `excludes` works when configured from ``WORKSPACE.bazel``. | ||
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| .. contents:: | ||
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| includes_excludes_test | ||
| ----------- | ||
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| Verifies that `go_library`_ targets can be built in default configurations with | ||
| nogo with includes and excludes being honored. |
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tests/core/nogo/includes_excludes/includes_excludes_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| // Copyright 2019 The Bazel Authors. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| package includes_excludes_test | ||
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| import ( | ||
| "strings" | ||
| "testing" | ||
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| "github.com/bazelbuild/rules_go/go/tools/bazel_testing" | ||
| ) | ||
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| func TestMain(m *testing.M) { | ||
| bazel_testing.TestMain(m, bazel_testing.Args{ | ||
| Nogo: "@//:my_nogo", | ||
| NogoIncludes: []string{"@//go:__subpackages__"}, | ||
| NogoExcludes: []string{"@//go/third_party:__subpackages__"}, | ||
| Main: ` | ||
| -- BUILD.bazel -- | ||
| load("@io_bazel_rules_go//go:def.bzl", "go_library", "nogo", "TOOLS_NOGO") | ||
| nogo( | ||
| name = "my_nogo", | ||
| visibility = ["//visibility:public"], | ||
| deps = TOOLS_NOGO, | ||
| ) | ||
| go_library( | ||
| name = "lib", | ||
| srcs = ["lib.go"], | ||
| importpath = "example.com/lib", | ||
| ) | ||
| -- lib.go -- | ||
| package lib | ||
| func shadowed() string { | ||
| foo := "original" | ||
| if foo == "original" { | ||
| foo := "shadow" | ||
| return foo | ||
| } | ||
| return foo | ||
| } | ||
| -- go/BUILD.bazel -- | ||
| load("@io_bazel_rules_go//go:def.bzl", "go_library") | ||
| go_library( | ||
| name = "lib", | ||
| srcs = ["lib.go"], | ||
| importpath = "example.com/go/lib", | ||
| ) | ||
| -- go/lib.go -- | ||
| package lib | ||
| func shadowed() string { | ||
| foo := "original" | ||
| if foo == "original" { | ||
| foo := "shadow" | ||
| return foo | ||
| } | ||
| return foo | ||
| } | ||
| -- go/third_party/BUILD.bazel -- | ||
| load("@io_bazel_rules_go//go:def.bzl", "go_library") | ||
| go_library( | ||
| name = "lib", | ||
| srcs = ["lib.go"], | ||
| importpath = "example.com/go/third_party/lib", | ||
| ) | ||
| -- go/third_party/lib.go -- | ||
| package lib | ||
| func shadowed() string { | ||
| foo := "original" | ||
| if foo == "original" { | ||
| foo := "shadow" | ||
| return foo | ||
| } | ||
| return foo | ||
| } | ||
| `, | ||
| }) | ||
| } | ||
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| func TestNotIncluded(t *testing.T) { | ||
| if err := bazel_testing.RunBazel("build", "//:lib"); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| } | ||
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| func TestIncluded(t *testing.T) { | ||
| if err := bazel_testing.RunBazel("build", "//go:lib"); err == nil { | ||
| t.Fatal("Expected build to fail") | ||
| } else if !strings.Contains(err.Error(), "lib.go:6:3: declaration of \"foo\" shadows declaration at line 4 (shadow)") { | ||
| t.Fatalf("Expected error to contain \"lib.go:6:3: declaration of \"foo\" shadows declaration at line 4 (shadow)\", got %s", err) | ||
| } | ||
| } | ||
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| func TestExcluded(t *testing.T) { | ||
| if err := bazel_testing.RunBazel("build", "//go/third_party:lib"); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| } |
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