From 86bd319381d4862e8d09665000c1af4e43b59375 Mon Sep 17 00:00:00 2001
From: Radek Simko <radek.simko@gmail.com>
Date: Thu, 4 Aug 2022 20:36:12 +0100
Subject: [PATCH] schema: plumb TF version generator via go generate

---
 schema/core_schema.go      |  13 +-
 schema/core_schema_test.go |  49 ++++++++
 schema/errors.go           |  21 ++++
 schema/versions_gen.go     | 248 +++++++++++++++++++++++++++++++++++++
 4 files changed, 330 insertions(+), 1 deletion(-)
 create mode 100755 schema/versions_gen.go

diff --git a/schema/core_schema.go b/schema/core_schema.go
index 801e7a8a..9e980b39 100644
--- a/schema/core_schema.go
+++ b/schema/core_schema.go
@@ -51,7 +51,18 @@ func CoreModuleSchemaForVersion(v *version.Version) (*schema.BodySchema, error)
 		return mod_v0_12.ModuleSchema(ver), nil
 	}
 
-	return nil, fmt.Errorf("no compatible schema found for %s", v.String())
+	return nil, NoCompatibleSchemaErr{Version: ver}
+}
+
+//go:generate go run ../internal/versiongen -w ./versions_gen.go
+func CoreModuleSchemaForConstraint(vc version.Constraints) (*schema.BodySchema, error) {
+	for _, v := range terraformVersions {
+		if vc.Check(v) {
+			return CoreModuleSchemaForVersion(v)
+		}
+	}
+
+	return nil, NoCompatibleSchemaErr{Constraints: vc}
 }
 
 func semVer(ver *version.Version) (*version.Version, error) {
diff --git a/schema/core_schema_test.go b/schema/core_schema_test.go
index 5669d26c..acd2ed27 100644
--- a/schema/core_schema_test.go
+++ b/schema/core_schema_test.go
@@ -106,4 +106,53 @@ func TestCoreModuleSchemaForVersion_matching(t *testing.T) {
 	}
 }
 
+func TestCoreModuleSchemaForConstraint(t *testing.T) {
+	testCases := []struct {
+		constraint    version.Constraints
+		matchedSchema *schema.BodySchema
+		expectedErr   error
+	}{
+		{
+			version.MustConstraints(version.NewConstraint(">= 0.12, < 0.13")),
+			mod_v0_12.ModuleSchema(version.Must(version.NewVersion("0.12.31"))),
+			nil,
+		},
+		{
+			version.Constraints{},
+			mod_v1_2.ModuleSchema(version.Must(version.NewVersion("1.3.0"))),
+			nil,
+		},
+		{
+			version.MustConstraints(version.NewConstraint("< 0.12")),
+			nil,
+			fmt.Errorf("no compatible schema found for 0.11.15"),
+		},
+		{
+			version.MustConstraints(version.NewConstraint("> 999.999.999")),
+			nil,
+			fmt.Errorf("no compatible schema found for > 999.999.999"),
+		},
+	}
+
+	for i, tc := range testCases {
+		t.Run(fmt.Sprintf("%d-%s", i, tc.constraint.String()), func(t *testing.T) {
+			bodySchema, err := CoreModuleSchemaForConstraint(tc.constraint)
+			if err != nil && tc.expectedErr == nil {
+				t.Fatal(err)
+			}
+			if err != nil && err.Error() != tc.expectedErr.Error() {
+				t.Fatalf("expected error: %q, given: %q", err.Error(), tc.expectedErr.Error())
+			}
+			if err == nil && tc.expectedErr != nil {
+				t.Fatalf("expected error: %q", tc.expectedErr.Error())
+			}
+
+			expectedSchema := tc.matchedSchema
+			if diff := cmp.Diff(expectedSchema, bodySchema, ctydebug.CmpOptions); diff != "" {
+				t.Fatalf("schema mismatch: %s", diff)
+			}
+		})
+	}
+}
+
 type versionedBodySchema func(*version.Version) *schema.BodySchema
diff --git a/schema/errors.go b/schema/errors.go
index 466c3b72..d055f79b 100644
--- a/schema/errors.go
+++ b/schema/errors.go
@@ -1,7 +1,28 @@
 package schema
 
+import (
+	"fmt"
+
+	"github.com/hashicorp/go-version"
+)
+
 type coreSchemaRequiredErr struct{}
 
 func (e coreSchemaRequiredErr) Error() string {
 	return "core schema required (none provided)"
 }
+
+type NoCompatibleSchemaErr struct {
+	Version     *version.Version
+	Constraints version.Constraints
+}
+
+func (e NoCompatibleSchemaErr) Error() string {
+	if e.Version != nil {
+		return fmt.Sprintf("no compatible schema found for %s", e.Version)
+	}
+	if e.Constraints != nil && len(e.Constraints) > 0 {
+		return fmt.Sprintf("no compatible schema found for %s", e.Constraints)
+	}
+	return "no compatible schema found"
+}
diff --git a/schema/versions_gen.go b/schema/versions_gen.go
new file mode 100755
index 00000000..991ada75
--- /dev/null
+++ b/schema/versions_gen.go
@@ -0,0 +1,248 @@
+// Code generated by "versiongen"; DO NOT EDIT.
+package schema
+
+import (
+	"github.com/hashicorp/go-version"
+)
+
+var (
+	OldestAvailableVersion = version.Must(version.NewVersion("0.12.0"))
+	LatestAvailableVersion = version.Must(version.NewVersion("1.3.0-alpha20220803"))
+
+	terraformVersions = version.Collection{
+		version.Must(version.NewVersion("1.3.0-alpha20220803")),
+		version.Must(version.NewVersion("1.3.0-alpha20220706")),
+		version.Must(version.NewVersion("1.3.0-alpha20220622")),
+		version.Must(version.NewVersion("1.3.0-alpha20220608")),
+		version.Must(version.NewVersion("1.2.6")),
+		version.Must(version.NewVersion("1.2.5")),
+		version.Must(version.NewVersion("1.2.4")),
+		version.Must(version.NewVersion("1.2.3")),
+		version.Must(version.NewVersion("1.2.2")),
+		version.Must(version.NewVersion("1.2.1")),
+		version.Must(version.NewVersion("1.2.0")),
+		version.Must(version.NewVersion("1.2.0-rc2")),
+		version.Must(version.NewVersion("1.2.0-rc1")),
+		version.Must(version.NewVersion("1.2.0-beta1")),
+		version.Must(version.NewVersion("1.2.0-alpha20220413")),
+		version.Must(version.NewVersion("1.2.0-alpha-20220328")),
+		version.Must(version.NewVersion("1.1.9")),
+		version.Must(version.NewVersion("1.1.8")),
+		version.Must(version.NewVersion("1.1.7")),
+		version.Must(version.NewVersion("1.1.6")),
+		version.Must(version.NewVersion("1.1.5")),
+		version.Must(version.NewVersion("1.1.4")),
+		version.Must(version.NewVersion("1.1.3")),
+		version.Must(version.NewVersion("1.1.2")),
+		version.Must(version.NewVersion("1.1.1")),
+		version.Must(version.NewVersion("1.1.0")),
+		version.Must(version.NewVersion("1.1.0-rc1")),
+		version.Must(version.NewVersion("1.1.0-beta2")),
+		version.Must(version.NewVersion("1.1.0-beta1")),
+		version.Must(version.NewVersion("1.1.0-alpha20211029")),
+		version.Must(version.NewVersion("1.1.0-alpha20211020")),
+		version.Must(version.NewVersion("1.1.0-alpha20211006")),
+		version.Must(version.NewVersion("1.1.0-alpha20210922")),
+		version.Must(version.NewVersion("1.1.0-alpha20210908")),
+		version.Must(version.NewVersion("1.1.0-alpha20210811")),
+		version.Must(version.NewVersion("1.1.0-alpha20210728")),
+		version.Must(version.NewVersion("1.1.0-alpha20210714")),
+		version.Must(version.NewVersion("1.1.0-alpha20210630")),
+		version.Must(version.NewVersion("1.1.0-alpha20210616")),
+		version.Must(version.NewVersion("1.0.11")),
+		version.Must(version.NewVersion("1.0.10")),
+		version.Must(version.NewVersion("1.0.9")),
+		version.Must(version.NewVersion("1.0.8")),
+		version.Must(version.NewVersion("1.0.7")),
+		version.Must(version.NewVersion("1.0.6")),
+		version.Must(version.NewVersion("1.0.5")),
+		version.Must(version.NewVersion("1.0.4")),
+		version.Must(version.NewVersion("1.0.3")),
+		version.Must(version.NewVersion("1.0.2")),
+		version.Must(version.NewVersion("1.0.1")),
+		version.Must(version.NewVersion("1.0.0")),
+		version.Must(version.NewVersion("0.15.5")),
+		version.Must(version.NewVersion("0.15.4")),
+		version.Must(version.NewVersion("0.15.3")),
+		version.Must(version.NewVersion("0.15.2")),
+		version.Must(version.NewVersion("0.15.1")),
+		version.Must(version.NewVersion("0.15.0")),
+		version.Must(version.NewVersion("0.15.0-rc2")),
+		version.Must(version.NewVersion("0.15.0-rc1")),
+		version.Must(version.NewVersion("0.15.0-beta2")),
+		version.Must(version.NewVersion("0.15.0-beta1")),
+		version.Must(version.NewVersion("0.15.0-alpha20210210")),
+		version.Must(version.NewVersion("0.15.0-alpha20210127")),
+		version.Must(version.NewVersion("0.15.0-alpha20210107")),
+		version.Must(version.NewVersion("0.14.11")),
+		version.Must(version.NewVersion("0.14.10")),
+		version.Must(version.NewVersion("0.14.9")),
+		version.Must(version.NewVersion("0.14.8")),
+		version.Must(version.NewVersion("0.14.7")),
+		version.Must(version.NewVersion("0.14.6")),
+		version.Must(version.NewVersion("0.14.5")),
+		version.Must(version.NewVersion("0.14.4")),
+		version.Must(version.NewVersion("0.14.3")),
+		version.Must(version.NewVersion("0.14.2")),
+		version.Must(version.NewVersion("0.14.1")),
+		version.Must(version.NewVersion("0.14.0")),
+		version.Must(version.NewVersion("0.14.0-rc1")),
+		version.Must(version.NewVersion("0.14.0-beta2")),
+		version.Must(version.NewVersion("0.14.0-beta1")),
+		version.Must(version.NewVersion("0.14.0-alpha20201007")),
+		version.Must(version.NewVersion("0.14.0-alpha20200923")),
+		version.Must(version.NewVersion("0.14.0-alpha20200910")),
+		version.Must(version.NewVersion("0.13.7")),
+		version.Must(version.NewVersion("0.13.6")),
+		version.Must(version.NewVersion("0.13.5")),
+		version.Must(version.NewVersion("0.13.4")),
+		version.Must(version.NewVersion("0.13.3")),
+		version.Must(version.NewVersion("0.13.2")),
+		version.Must(version.NewVersion("0.13.1")),
+		version.Must(version.NewVersion("0.13.0")),
+		version.Must(version.NewVersion("0.13.0-rc1")),
+		version.Must(version.NewVersion("0.13.0-beta3")),
+		version.Must(version.NewVersion("0.13.0-beta2")),
+		version.Must(version.NewVersion("0.13.0-beta1")),
+		version.Must(version.NewVersion("0.12.31")),
+		version.Must(version.NewVersion("0.12.30")),
+		version.Must(version.NewVersion("0.12.29")),
+		version.Must(version.NewVersion("0.12.28")),
+		version.Must(version.NewVersion("0.12.27")),
+		version.Must(version.NewVersion("0.12.26")),
+		version.Must(version.NewVersion("0.12.25")),
+		version.Must(version.NewVersion("0.12.24")),
+		version.Must(version.NewVersion("0.12.23")),
+		version.Must(version.NewVersion("0.12.22")),
+		version.Must(version.NewVersion("0.12.21")),
+		version.Must(version.NewVersion("0.12.20")),
+		version.Must(version.NewVersion("0.12.19")),
+		version.Must(version.NewVersion("0.12.18")),
+		version.Must(version.NewVersion("0.12.17")),
+		version.Must(version.NewVersion("0.12.16")),
+		version.Must(version.NewVersion("0.12.15")),
+		version.Must(version.NewVersion("0.12.14")),
+		version.Must(version.NewVersion("0.12.13")),
+		version.Must(version.NewVersion("0.12.12")),
+		version.Must(version.NewVersion("0.12.11")),
+		version.Must(version.NewVersion("0.12.10")),
+		version.Must(version.NewVersion("0.12.9")),
+		version.Must(version.NewVersion("0.12.8")),
+		version.Must(version.NewVersion("0.12.7")),
+		version.Must(version.NewVersion("0.12.6")),
+		version.Must(version.NewVersion("0.12.5")),
+		version.Must(version.NewVersion("0.12.4")),
+		version.Must(version.NewVersion("0.12.3")),
+		version.Must(version.NewVersion("0.12.2")),
+		version.Must(version.NewVersion("0.12.1")),
+		version.Must(version.NewVersion("0.12.0")),
+		version.Must(version.NewVersion("0.12.0-rc1")),
+		version.Must(version.NewVersion("0.12.0-beta2")),
+		version.Must(version.NewVersion("0.12.0-beta1")),
+		version.Must(version.NewVersion("0.12.0-alpha4")),
+		version.Must(version.NewVersion("0.12.0-alpha3")),
+		version.Must(version.NewVersion("0.12.0-alpha2")),
+		version.Must(version.NewVersion("0.12.0-alpha1")),
+		version.Must(version.NewVersion("0.11.15")),
+		version.Must(version.NewVersion("0.11.15-oci")),
+		version.Must(version.NewVersion("0.11.14")),
+		version.Must(version.NewVersion("0.11.13")),
+		version.Must(version.NewVersion("0.11.12")),
+		version.Must(version.NewVersion("0.11.12-beta1")),
+		version.Must(version.NewVersion("0.11.11")),
+		version.Must(version.NewVersion("0.11.10")),
+		version.Must(version.NewVersion("0.11.9")),
+		version.Must(version.NewVersion("0.11.9-beta1")),
+		version.Must(version.NewVersion("0.11.8")),
+		version.Must(version.NewVersion("0.11.7")),
+		version.Must(version.NewVersion("0.11.6")),
+		version.Must(version.NewVersion("0.11.5")),
+		version.Must(version.NewVersion("0.11.4")),
+		version.Must(version.NewVersion("0.11.3")),
+		version.Must(version.NewVersion("0.11.2")),
+		version.Must(version.NewVersion("0.11.1")),
+		version.Must(version.NewVersion("0.11.0")),
+		version.Must(version.NewVersion("0.11.0-rc1")),
+		version.Must(version.NewVersion("0.11.0-beta1")),
+		version.Must(version.NewVersion("0.10.8")),
+		version.Must(version.NewVersion("0.10.7")),
+		version.Must(version.NewVersion("0.10.6")),
+		version.Must(version.NewVersion("0.10.5")),
+		version.Must(version.NewVersion("0.10.4")),
+		version.Must(version.NewVersion("0.10.3")),
+		version.Must(version.NewVersion("0.10.2")),
+		version.Must(version.NewVersion("0.10.1")),
+		version.Must(version.NewVersion("0.10.0")),
+		version.Must(version.NewVersion("0.10.0-rc1")),
+		version.Must(version.NewVersion("0.10.0-beta2")),
+		version.Must(version.NewVersion("0.10.0-beta1")),
+		version.Must(version.NewVersion("0.9.11")),
+		version.Must(version.NewVersion("0.9.10")),
+		version.Must(version.NewVersion("0.9.9")),
+		version.Must(version.NewVersion("0.9.8")),
+		version.Must(version.NewVersion("0.9.7")),
+		version.Must(version.NewVersion("0.9.6")),
+		version.Must(version.NewVersion("0.9.5")),
+		version.Must(version.NewVersion("0.9.4")),
+		version.Must(version.NewVersion("0.9.3")),
+		version.Must(version.NewVersion("0.9.2")),
+		version.Must(version.NewVersion("0.9.1")),
+		version.Must(version.NewVersion("0.9.0")),
+		version.Must(version.NewVersion("0.8.8")),
+		version.Must(version.NewVersion("0.8.7")),
+		version.Must(version.NewVersion("0.8.6")),
+		version.Must(version.NewVersion("0.8.5")),
+		version.Must(version.NewVersion("0.8.4")),
+		version.Must(version.NewVersion("0.8.3")),
+		version.Must(version.NewVersion("0.8.2")),
+		version.Must(version.NewVersion("0.8.1")),
+		version.Must(version.NewVersion("0.8.0")),
+		version.Must(version.NewVersion("0.7.13")),
+		version.Must(version.NewVersion("0.7.12")),
+		version.Must(version.NewVersion("0.7.11")),
+		version.Must(version.NewVersion("0.7.10")),
+		version.Must(version.NewVersion("0.7.9")),
+		version.Must(version.NewVersion("0.7.8")),
+		version.Must(version.NewVersion("0.7.7")),
+		version.Must(version.NewVersion("0.7.6")),
+		version.Must(version.NewVersion("0.7.5")),
+		version.Must(version.NewVersion("0.7.4")),
+		version.Must(version.NewVersion("0.7.3")),
+		version.Must(version.NewVersion("0.7.2")),
+		version.Must(version.NewVersion("0.7.1")),
+		version.Must(version.NewVersion("0.7.0")),
+		version.Must(version.NewVersion("0.6.16")),
+		version.Must(version.NewVersion("0.6.15")),
+		version.Must(version.NewVersion("0.6.14")),
+		version.Must(version.NewVersion("0.6.13")),
+		version.Must(version.NewVersion("0.6.12")),
+		version.Must(version.NewVersion("0.6.11")),
+		version.Must(version.NewVersion("0.6.10")),
+		version.Must(version.NewVersion("0.6.9")),
+		version.Must(version.NewVersion("0.6.8")),
+		version.Must(version.NewVersion("0.6.7")),
+		version.Must(version.NewVersion("0.6.6")),
+		version.Must(version.NewVersion("0.6.5")),
+		version.Must(version.NewVersion("0.6.4")),
+		version.Must(version.NewVersion("0.6.3")),
+		version.Must(version.NewVersion("0.6.2")),
+		version.Must(version.NewVersion("0.6.1")),
+		version.Must(version.NewVersion("0.6.0")),
+		version.Must(version.NewVersion("0.5.3")),
+		version.Must(version.NewVersion("0.5.1")),
+		version.Must(version.NewVersion("0.5.0")),
+		version.Must(version.NewVersion("0.4.2")),
+		version.Must(version.NewVersion("0.4.1")),
+		version.Must(version.NewVersion("0.4.0")),
+		version.Must(version.NewVersion("0.3.7")),
+		version.Must(version.NewVersion("0.3.6")),
+		version.Must(version.NewVersion("0.3.5")),
+		version.Must(version.NewVersion("0.3.1")),
+		version.Must(version.NewVersion("0.3.0")),
+		version.Must(version.NewVersion("0.2.2")),
+		version.Must(version.NewVersion("0.2.1")),
+		version.Must(version.NewVersion("0.2.0")),
+		version.Must(version.NewVersion("0.1.1")),
+		version.Must(version.NewVersion("0.1.0")),
+	}
+)