[AIC-3343] Apply prompt sync plans

cmd/sync/output_test.go

@@ -0,0 +1,139 @@
+package sync
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	syncdomain "github.com/launchdarkly/ldcli/internal/sync"
+	syncapi "github.com/launchdarkly/ldcli/internal/sync/api"
+)
+
+func TestConfirmApply(t *testing.T) {
+	for _, test := range []struct {
+		name      string
+		input     string
+		terminal  bool
+		confirmed bool
+		wantError string
+	}{
+		{"yes", "yes\n", true, true, ""},
+		{"declined", "n\n", true, false, ""},
+		{"non-terminal", "", false, false, "rerun with --yes"},
+	} {
+		t.Run(test.name, func(t *testing.T) {
+			var prompt bytes.Buffer
+			confirmed, err := confirmApply(
+				strings.NewReader(test.input),
+				&prompt,
+				func(_ io.Reader, _ io.Writer) bool {
+					return test.terminal
+				},
+			)
+
+			assert.Equal(t, test.confirmed, confirmed)
+			if test.wantError != "" {
+				require.ErrorContains(t, err, test.wantError)
+			} else {
+				require.NoError(t, err)
+				assert.Contains(t, prompt.String(), "Apply these plans?")
+			}
+		})
+	}
+}
+
+func TestRenderVariationDiffSortsFieldsAndUsesStackedFallback(t *testing.T) {
+	rendered, err := renderVariationDiff(
+		json.RawMessage(`{
+			"model": {
+				"before": {"parameters": {"temperature": 0.2}},
+				"after": {"parameters": {"temperature": 0.3}}
+			},
+			"instructions": {"after": "Be helpful"}
+		}`),
+		"plaintext",
+		0,
+	)
+
+	require.NoError(t, err)
+	assert.Less(t, strings.Index(rendered, "instructions"), strings.Index(rendered, "model"))
+	assert.Contains(t, rendered, "instructions (added)")
+	assert.Contains(t, rendered, "Before:\n      (not present)")
+	assert.Contains(t, rendered, `"temperature": 0.2`)
+	assert.Contains(t, rendered, `"temperature": 0.3`)
+}
+
+func TestRenderVariationDiffUsesSideBySidePanelsForWideTerminal(t *testing.T) {
+	rendered, err := renderVariationDiff(
+		json.RawMessage(`{"name":{"before":"Old","after":"New"}}`),
+		"plaintext",
+		120,
+	)
+
+	require.NoError(t, err)
+	lines := strings.Split(rendered, "\n")
+	require.Greater(t, len(lines), 3)
+	assert.Contains(t, rendered, "name (changed)")
+	assert.Contains(t, rendered, "Before")
+	assert.Contains(t, rendered, "After")
+	assert.Contains(t, rendered, "Old")
+	assert.Contains(t, rendered, "New")
+	assert.Contains(t, rendered, "╭")
+}
+
+func TestRenderVariationDiffUsesMarkdownFallback(t *testing.T) {
+	rendered, err := renderVariationDiff(
+		json.RawMessage(`{"name":{"before":"Old","after":"New"}}`),
+		"markdown",
+		120,
+	)
+
+	require.NoError(t, err)
+	assert.Contains(t, rendered, "#### name (changed)")
+	assert.Contains(t, rendered, "**Before**")
+	assert.Contains(t, rendered, "```json")
+	assert.NotContains(t, rendered, "╭")
+}
+
+func TestWriteSyncOutputJSONIncludesPartialApplyOutcomes(t *testing.T) {
+	var output bytes.Buffer
+	err := writeSyncOutput(
+		&output,
+		"json",
+		[]syncapi.ProjectPlan{{
+			ProjectKey: "project",
+			PlanID:     "617c83f1-cd9a-4865-8f37-bb11f88e2147",
+		}},
+		[]syncapi.ProjectApply{{
+			ProjectKey: "project",
+			PlanID:     "617c83f1-cd9a-4865-8f37-bb11f88e2147",
+			Status:     syncapi.PlanStatusFailed,
+			Resources: []syncapi.AppliedResource{{
+				ResourceKind: syncdomain.KindVariation,
+				LookupKey:    "support/default",
+				ApplyStatus:  syncapi.ResourceApplyStatusReconciliationRequired,
+				ApplyError: &syncapi.ResourceError{
+					Code:    "verification_failed",
+					Message: "post-write verification failed",
+				},
+			}},
+		}},
+	)
+
+	require.NoError(t, err)
+	var decoded syncOutput
+	require.NoError(t, json.Unmarshal(output.Bytes(), &decoded))
+	require.Len(t, decoded.Plans, 1)
+	require.Len(t, decoded.Applies, 1)
+	require.Len(t, decoded.Applies[0].Resources, 1)
+	assert.Equal(
+		t,
+		syncapi.ResourceApplyStatusReconciliationRequired,
+		decoded.Applies[0].Resources[0].ApplyStatus,
+	)
+}