test: add tests

pkg/option/field_converter_test.go

@@ -0,0 +1,36 @@
+package option_test
+
+import (
+	"go/token"
+	"go/types"
+	"testing"
+
+	"github.com/reedom/convergen/pkg/option"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestFieldConverter(t *testing.T) {
+	// Create a new FieldConverter.
+	fc := option.NewFieldConverter("myConverter", "srcField", "dstField", token.NoPos)
+
+	// Assert that the converter and identifiers were set correctly.
+	assert.Equal(t, "myConverter", fc.Converter())
+	assert.Equal(t, "srcField", fc.Src().ExprAt(0))
+	assert.Equal(t, "dstField", fc.Dst().ExprAt(0))
+	assert.Equal(t, token.NoPos, fc.Pos())
+
+	// Set the types and assert that they were set correctly.
+	argType := types.Typ[types.Int]
+	retType := types.Typ[types.String]
+	fc.Set(argType, retType, true)
+	assert.Equal(t, argType, fc.ArgType())
+	assert.Equal(t, retType, fc.RetType())
+	assert.True(t, fc.RetError())
+
+	// Test the Match function.
+	assert.True(t, fc.Match("srcField", "dstField"))
+	assert.False(t, fc.Match("srcField2", "dstField2"))
+
+	// Test the RHSExpr function.
+	assert.Equal(t, "myConverter(42)", fc.RHSExpr("42"))
+}

pkg/option/literal_setter_test.go

@@ -0,0 +1,59 @@
+package option_test
+
+import (
+	"testing"
+
+	"github.com/reedom/convergen/pkg/option"
+)
+
+func TestIdentMatcher_Match(t *testing.T) {
+	testCases := []struct {
+		name       string
+		pattern    string
+		ident      string
+		exactCase  bool
+		wantResult bool
+	}{
+		{"Exact case match", "foo", "foo", true, true},
+		{"Exact case mismatch", "foo", "bar", true, false},
+		{"Case-insensitive match", "foo", "Foo", false, true},
+		{"Case-insensitive mismatch", "foo", "Bar", false, false},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			m := option.NewIdentMatcher(tc.pattern)
+			got := m.Match(tc.ident, tc.exactCase)
+			if got != tc.wantResult {
+				t.Errorf("m.Match(%q, %v) = %v; want %v", tc.ident, tc.exactCase, got, tc.wantResult)
+			}
+		})
+	}
+}
+
+func TestIdentMatcher_PartialMatch(t *testing.T) {
+	testCases := []struct {
+		name       string
+		pattern    string
+		ident      string
+		exactCase  bool
+		wantResult bool
+	}{
+		{"Exact case match", "foo.bar", "foo.bar", true, true},
+		{"Exact case mismatch", "foo.bar", "foo.baz", true, false},
+		{"Case-insensitive match", "foo.bar", "Foo.Bar", false, true},
+		{"Case-insensitive mismatch", "foo.bar", "Foo.Baz", false, false},
+		{"Partial match", "foo.bar.baz", "foo.bar.baz.qux", true, true},
+		{"Partial mismatch", "foo.bar.baz", "foo.bar.qux.baz", true, false},
+		{"Partial match case-insensitive", "foo.bar.baz", "foo.Bar.baz.Qux", false, true},
+		{"Partial mismatch case-insensitive", "foo.bar.baz", "foo.bar.Qux.baz", false, false},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			m := option.NewIdentMatcher(tc.pattern)
+			got := m.PartialMatch(tc.ident, tc.exactCase)
+			if got != tc.wantResult {
+				t.Errorf("m.PartialMatch(%q, %v) = %v; want %v", tc.ident, tc.exactCase, got, tc.wantResult)
+			}
+		})
+	}
+}