autoflex: XML wrapping, test reorg

internal/framework/flex/autoflex_args_test.go

@@ -0,0 +1,149 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
+package flex
+
+// Tests AutoFlex's Expand/Flatten of args to validate top-level argument shape (nil/typed-nil,
+// pointer-ness, struct↔non-struct). They intentionally do not assert logging; only diagnostic codes.
+
+import (
+	"testing"
+)
+
+type emptyStruct struct{}
+
+func TestExpandArgs_nilAndPointers(t *testing.T) {
+	t.Parallel()
+
+	var (
+		typedNilSource *emptyStruct
+		typedNilTarget *emptyStruct
+	)
+
+	testCases := autoFlexTestCases{
+		"nil Source": {
+			Target:        &emptyStruct{},
+			ExpectedDiags: diagAFNil(diagExpandingSourceIsNil),
+		},
+		"typed nil Source": {
+			Source:        typedNilSource,
+			Target:        &emptyStruct{},
+			ExpectedDiags: diagAFNil(diagExpandingSourceIsNil), // FIXME: Should give the actual type
+		},
+		"nil Target": {
+			Source:        emptyStruct{},
+			ExpectedDiags: diagAFNil(diagConvertingTargetIsNil),
+		},
+		"typed nil Target": {
+			Source:        emptyStruct{},
+			Target:        typedNilTarget,
+			ExpectedDiags: diagAF[*emptyStruct](diagConvertingTargetIsNil),
+		},
+		"non-pointer Target": {
+			Source:        emptyStruct{},
+			Target:        0,
+			ExpectedDiags: diagAF[int](diagConvertingTargetIsNotPointer),
+		},
+	}
+
+	runAutoExpandTestCases(t, testCases, runChecks{CompareDiags: true, CompareTarget: true})
+}
+
+func TestExpandArgs_shapeCompatibility(t *testing.T) {
+	t.Parallel()
+
+	testString := "test"
+
+	testCases := autoFlexTestCases{
+		"non-struct Source struct Target": {
+			Source:        testString,
+			Target:        &emptyStruct{},
+			ExpectedDiags: diagAF[string](diagExpandingSourceDoesNotImplementAttrValue),
+		},
+		"struct Source non-struct Target": {
+			Source:        emptyStruct{},
+			Target:        &testString,
+			ExpectedDiags: diagAF[emptyStruct](diagExpandingSourceDoesNotImplementAttrValue),
+		},
+		"empty struct Source and Target": {
+			Source:     emptyStruct{},
+			Target:     &emptyStruct{},
+			WantTarget: &emptyStruct{},
+		},
+		"empty struct pointer Source and Target": {
+			Source:     &emptyStruct{},
+			Target:     &emptyStruct{},
+			WantTarget: &emptyStruct{},
+		},
+	}
+
+	runAutoExpandTestCases(t, testCases, runChecks{CompareDiags: true, CompareTarget: true})
+}
+
+func TestFlattenArgs_nilAndPointers(t *testing.T) {
+	t.Parallel()
+
+	var (
+		typedNilSource *emptyStruct
+		typedNilTarget *emptyStruct
+	)
+
+	testCases := autoFlexTestCases{
+		"nil Source": {
+			Target:        &emptyStruct{},
+			ExpectedDiags: diagAFNil(diagFlatteningSourceIsNil),
+		},
+		"typed nil Source": {
+			Source:        typedNilSource,
+			Target:        &emptyStruct{},
+			ExpectedDiags: diagAF[*emptyStruct](diagFlatteningSourceIsNil),
+		},
+		"nil Target": {
+			Source:        emptyStruct{},
+			ExpectedDiags: diagAFNil(diagConvertingTargetIsNil),
+		},
+		"typed nil Target": {
+			Source:        emptyStruct{},
+			Target:        typedNilTarget,
+			ExpectedDiags: diagAF[*emptyStruct](diagConvertingTargetIsNil),
+		},
+		"non-pointer Target": {
+			Source:        emptyStruct{},
+			Target:        0,
+			ExpectedDiags: diagAF[int](diagConvertingTargetIsNotPointer),
+		},
+	}
+
+	runAutoFlattenTestCases(t, testCases, runChecks{CompareDiags: true, CompareTarget: true})
+}
+
+func TestFlattenArgs_shapeCompatibility(t *testing.T) {
+	t.Parallel()
+
+	testString := "test"
+
+	testCases := autoFlexTestCases{
+		"non-struct Source struct Target": {
+			Source:        testString,
+			Target:        &emptyStruct{},
+			ExpectedDiags: diagAF[emptyStruct](diagFlatteningTargetDoesNotImplementAttrValue),
+		},
+		"struct Source non-struct Target": {
+			Source:        emptyStruct{},
+			Target:        &testString,
+			ExpectedDiags: diagAF[string](diagFlatteningTargetDoesNotImplementAttrValue),
+		},
+		"empty struct Source and Target": {
+			Source:     emptyStruct{},
+			Target:     &emptyStruct{},
+			WantTarget: &emptyStruct{},
+		},
+		"empty struct pointer Source and Target": {
+			Source:     &emptyStruct{},
+			Target:     &emptyStruct{},
+			WantTarget: &emptyStruct{},
+		},
+	}
+
+	runAutoFlattenTestCases(t, testCases, runChecks{CompareDiags: true, CompareTarget: true})
+}