terraform/internal/getproviders/multi_source_test.go

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package getproviders
import (
"testing"
"github.com/google/go-cmp/cmp"
"github.com/hashicorp/terraform/addrs"
)
func TestMultiSourceAvailableVersions(t *testing.T) {
platform1 := Platform{OS: "amigaos", Arch: "m68k"}
platform2 := Platform{OS: "aros", Arch: "arm"}
t.Run("unfiltered merging", func(t *testing.T) {
s1 := NewMockSource([]PackageMeta{
FakePackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.0.0"),
platform1,
),
FakePackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.0.0"),
platform2,
),
FakePackageMeta(
addrs.NewDefaultProvider("bar"),
MustParseVersion("1.0.0"),
platform2,
),
})
s2 := NewMockSource([]PackageMeta{
FakePackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.0.0"),
platform1,
),
FakePackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.2.0"),
platform1,
),
FakePackageMeta(
addrs.NewDefaultProvider("bar"),
MustParseVersion("1.0.0"),
platform1,
),
})
multi := MultiSource{
{Source: s1},
{Source: s2},
}
// AvailableVersions produces the union of all versions available
// across all of the sources.
got, err := multi.AvailableVersions(addrs.NewDefaultProvider("foo"))
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
want := VersionList{
MustParseVersion("1.0.0"),
MustParseVersion("1.2.0"),
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
_, err = multi.AvailableVersions(addrs.NewDefaultProvider("baz"))
if want, ok := err.(ErrProviderNotKnown); !ok {
t.Fatalf("wrong error type:\ngot: %T\nwant: %T", err, want)
}
})
t.Run("merging with filters", func(t *testing.T) {
// This is just testing that filters are being honored at all, using a
// specific pair of filters. The different filter combinations
// themselves are tested in TestMultiSourceSelector.
s1 := NewMockSource([]PackageMeta{
FakePackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.0.0"),
platform1,
),
FakePackageMeta(
addrs.NewDefaultProvider("bar"),
MustParseVersion("1.0.0"),
platform1,
),
})
s2 := NewMockSource([]PackageMeta{
FakePackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.2.0"),
platform1,
),
FakePackageMeta(
addrs.NewDefaultProvider("bar"),
MustParseVersion("1.2.0"),
platform1,
),
})
multi := MultiSource{
{
Source: s1,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/*"),
},
{
Source: s2,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/bar"),
},
}
got, err := multi.AvailableVersions(addrs.NewDefaultProvider("foo"))
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
want := VersionList{
MustParseVersion("1.0.0"),
// 1.2.0 isn't present because s3 doesn't include "foo"
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
got, err = multi.AvailableVersions(addrs.NewDefaultProvider("bar"))
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
want = VersionList{
MustParseVersion("1.0.0"),
MustParseVersion("1.2.0"), // included because s2 matches "bar"
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
_, err = multi.AvailableVersions(addrs.NewDefaultProvider("baz"))
if want, ok := err.(ErrProviderNotKnown); !ok {
t.Fatalf("wrong error type:\ngot: %T\nwant: %T", err, want)
}
})
}
func TestMultiSourcePackageMeta(t *testing.T) {
platform1 := Platform{OS: "amigaos", Arch: "m68k"}
platform2 := Platform{OS: "aros", Arch: "arm"}
// We'll use the Filename field of the fake PackageMetas we created above
// to create a difference between the packages in s1 and the ones in s2,
// so we can test where individual packages came from below.
fakeFilename := func(fn string, meta PackageMeta) PackageMeta {
meta.Filename = fn
return meta
}
onlyInS1 := fakeFilename("s1", FakePackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.0.0"),
platform2,
))
onlyInS2 := fakeFilename("s2", FakePackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.2.0"),
platform1,
))
inBothS1 := fakeFilename("s1", FakePackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.0.0"),
platform1,
))
inBothS2 := fakeFilename("s2", inBothS1)
s1 := NewMockSource([]PackageMeta{
inBothS1,
onlyInS1,
fakeFilename("s1", FakePackageMeta(
addrs.NewDefaultProvider("bar"),
MustParseVersion("1.0.0"),
platform2,
)),
})
s2 := NewMockSource([]PackageMeta{
inBothS2,
onlyInS2,
fakeFilename("s2", FakePackageMeta(
addrs.NewDefaultProvider("bar"),
MustParseVersion("1.0.0"),
platform1,
)),
})
multi := MultiSource{
{Source: s1},
{Source: s2},
}
t.Run("only in s1", func(t *testing.T) {
got, err := multi.PackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.0.0"),
platform2,
)
want := onlyInS1
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
t.Run("only in s2", func(t *testing.T) {
got, err := multi.PackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.2.0"),
platform1,
)
want := onlyInS2
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
t.Run("in both", func(t *testing.T) {
got, err := multi.PackageMeta(
addrs.NewDefaultProvider("foo"),
MustParseVersion("1.0.0"),
platform1,
)
want := inBothS1 // S1 "wins" because it's earlier in the MultiSource
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
// Make sure inBothS1 and inBothS2 really are different; if not then
// that's a test bug which we'd rather catch than have this test
// accidentally passing without actually checking anything.
if diff := cmp.Diff(inBothS1, inBothS2); diff == "" {
t.Fatalf("test bug: inBothS1 and inBothS2 are indistinguishable")
}
})
t.Run("in neither", func(t *testing.T) {
_, err := multi.PackageMeta(
addrs.NewDefaultProvider("nonexist"),
MustParseVersion("1.0.0"),
platform1,
)
// This case reports "platform not supported" because it assumes that
// a caller would only pass to it package versions that were returned
// by a previousc all to AvailableVersions, and therefore a missing
// object ought to be valid provider/version but an unsupported
// platform.
if want, ok := err.(ErrPlatformNotSupported); !ok {
t.Fatalf("wrong error type:\ngot: %T\nwant: %T", err, want)
}
})
}
func TestMultiSourceSelector(t *testing.T) {
emptySource := NewMockSource(nil)
tests := map[string]struct {
Selector MultiSourceSelector
Provider addrs.Provider
WantMatch bool
}{
"default provider with no constraints": {
MultiSourceSelector{
Source: emptySource,
},
addrs.NewDefaultProvider("foo"),
true,
},
"built-in provider with no constraints": {
MultiSourceSelector{
Source: emptySource,
},
addrs.NewBuiltInProvider("bar"),
true,
},
// Include constraints
"default provider with include constraint that matches it exactly": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/foo"),
},
addrs.NewDefaultProvider("foo"),
true,
},
"default provider with include constraint that matches it via type wildcard": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/*"),
},
addrs.NewDefaultProvider("foo"),
true,
},
"default provider with include constraint that matches it via namespace wildcard": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("*/*"),
},
addrs.NewDefaultProvider("foo"),
true,
},
"built-in provider with exact include constraint that does not match it": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/foo"),
},
addrs.NewBuiltInProvider("bar"),
false,
},
"built-in provider with type-wild include constraint that does not match it": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/*"),
},
addrs.NewBuiltInProvider("bar"),
false,
},
"built-in provider with namespace-wild include constraint that does not match it": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("*/*"),
},
// Doesn't match because builtin providers are in "terraform.io",
// but a pattern with no hostname is for registry.terraform.io.
addrs.NewBuiltInProvider("bar"),
false,
},
"built-in provider with include constraint that matches it via type wildcard": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("terraform.io/builtin/*"),
},
addrs.NewBuiltInProvider("bar"),
true,
},
// Exclude constraints
"default provider with exclude constraint that matches it exactly": {
MultiSourceSelector{
Source: emptySource,
Exclude: mustParseMultiSourceMatchingPatterns("hashicorp/foo"),
},
addrs.NewDefaultProvider("foo"),
false,
},
"default provider with exclude constraint that matches it via type wildcard": {
MultiSourceSelector{
Source: emptySource,
Exclude: mustParseMultiSourceMatchingPatterns("hashicorp/*"),
},
addrs.NewDefaultProvider("foo"),
false,
},
"default provider with exact exclude constraint that doesn't match it": {
MultiSourceSelector{
Source: emptySource,
Exclude: mustParseMultiSourceMatchingPatterns("hashicorp/bar"),
},
addrs.NewDefaultProvider("foo"),
true,
},
// Both include and exclude in a single selector
"default provider with exclude wildcard overriding include exact": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/foo"),
Exclude: mustParseMultiSourceMatchingPatterns("hashicorp/*"),
},
addrs.NewDefaultProvider("foo"),
false,
},
"default provider with exclude wildcard overriding irrelevant include exact": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/bar"),
Exclude: mustParseMultiSourceMatchingPatterns("hashicorp/*"),
},
addrs.NewDefaultProvider("foo"),
false,
},
"default provider with exclude exact overriding include wildcard": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/*"),
Exclude: mustParseMultiSourceMatchingPatterns("hashicorp/foo"),
},
addrs.NewDefaultProvider("foo"),
false,
},
"default provider with irrelevant exclude exact overriding include wildcard": {
MultiSourceSelector{
Source: emptySource,
Include: mustParseMultiSourceMatchingPatterns("hashicorp/*"),
Exclude: mustParseMultiSourceMatchingPatterns("hashicorp/bar"),
},
addrs.NewDefaultProvider("foo"),
true,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
t.Logf("include: %s", test.Selector.Include)
t.Logf("exclude: %s", test.Selector.Exclude)
t.Logf("provider: %s", test.Provider)
got := test.Selector.CanHandleProvider(test.Provider)
want := test.WantMatch
if got != want {
t.Errorf("wrong result %t; want %t", got, want)
}
})
}
}
func mustParseMultiSourceMatchingPatterns(strs ...string) MultiSourceMatchingPatterns {
ret, err := ParseMultiSourceMatchingPatterns(strs)
if err != nil {
panic(err)
}
return ret
}