test: improve test coverage

arazzo/core/criterion_test.go

@@ -221,3 +221,34 @@ type:
 		})
 	}
 }
+
+func TestCriterionTypeUnion_Unmarshal_NilNode_Error(t *testing.T) {
+	t.Parallel()
+
+	var union CriterionTypeUnion
+	_, err := union.Unmarshal(t.Context(), "test", nil)
+	require.Error(t, err, "should return error for nil node")
+	require.Contains(t, err.Error(), "node is nil", "error should mention nil node")
+}
+
+func TestCriterionTypeUnion_Unmarshal_InvalidNodeKind_Error(t *testing.T) {
+	t.Parallel()
+
+	var union CriterionTypeUnion
+	node := &yaml.Node{Kind: yaml.SequenceNode}
+	validationErrs, err := union.Unmarshal(t.Context(), "test", node)
+	require.NoError(t, err, "should not return fatal error")
+	require.NotEmpty(t, validationErrs, "should have validation errors")
+	require.Contains(t, validationErrs[0].Error(), "expected string or object", "error should mention expected types")
+}
+
+func TestCriterionTypeUnion_SyncChanges_Int_Error(t *testing.T) {
+	t.Parallel()
+
+	union := &CriterionTypeUnion{}
+	union.SetValid(true, true)
+
+	_, err := union.SyncChanges(t.Context(), 42, nil)
+	require.Error(t, err, "should return error for int model")
+	require.Contains(t, err.Error(), "expected a struct", "error should mention struct expectation")
+}

arazzo/core/reusable_test.go

@@ -55,3 +55,44 @@ func TestReusable_SyncChanges_NonStruct_Error(t *testing.T) {
 	require.Error(t, err, "SyncChanges should fail")
 	assert.Contains(t, err.Error(), "Reusable.SyncChanges expected a struct, got string", "error message should match")
 }
+
+func TestReusable_Unmarshal_NilNode_Error(t *testing.T) {
+	t.Parallel()
+
+	var reusable Reusable[*Parameter]
+	_, err := reusable.Unmarshal(t.Context(), "test", nil)
+	require.Error(t, err, "should return error for nil node")
+	assert.Contains(t, err.Error(), "node is nil", "error should mention nil node")
+}
+
+func TestReusable_Unmarshal_InlinedObject_Success(t *testing.T) {
+	t.Parallel()
+
+	yamlContent := `name: petId
+in: path
+value: "123"`
+
+	var node yaml.Node
+	err := yaml.Unmarshal([]byte(yamlContent), &node)
+	require.NoError(t, err, "unmarshal should succeed")
+
+	var reusable Reusable[*Parameter]
+	validationErrs, err := reusable.Unmarshal(t.Context(), "test", node.Content[0])
+	require.NoError(t, err, "unmarshal should succeed")
+	require.Empty(t, validationErrs, "validation errors should be empty")
+	assert.True(t, reusable.GetValid(), "reusable should be valid")
+	require.NotNil(t, reusable.Object, "Object should not be nil")
+}
+
+func TestReusable_SyncChanges_Int_Error(t *testing.T) {
+	t.Parallel()
+
+	var node yaml.Node
+	err := yaml.Unmarshal([]byte(`reference: '#/test'`), &node)
+	require.NoError(t, err, "unmarshal should succeed")
+
+	reusable := Reusable[*Parameter]{}
+	_, err = reusable.SyncChanges(t.Context(), 42, node.Content[0])
+	require.Error(t, err, "SyncChanges should fail")
+	assert.Contains(t, err.Error(), "expected a struct", "error message should mention struct expectation")
+}

arazzo/find_test.go

@@ -0,0 +1,190 @@
+package arazzo_test
+
+import (
+	"testing"
+
+	"github.com/speakeasy-api/openapi/arazzo"
+	"github.com/speakeasy-api/openapi/pointer"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestWorkflows_Find_Success(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name      string
+		workflows arazzo.Workflows
+		id        string
+		expected  *arazzo.Workflow
+	}{
+		{
+			name:      "empty workflows returns nil",
+			workflows: arazzo.Workflows{},
+			id:        "test",
+			expected:  nil,
+		},
+		{
+			name: "finds workflow by id",
+			workflows: arazzo.Workflows{
+				{WorkflowID: "workflow1"},
+				{WorkflowID: "workflow2"},
+				{WorkflowID: "workflow3"},
+			},
+			id:       "workflow2",
+			expected: &arazzo.Workflow{WorkflowID: "workflow2"},
+		},
+		{
+			name: "returns nil when workflow not found",
+			workflows: arazzo.Workflows{
+				{WorkflowID: "workflow1"},
+			},
+			id:       "nonexistent",
+			expected: nil,
+		},
+		{
+			name: "returns first match when multiple workflows with same id",
+			workflows: arazzo.Workflows{
+				{WorkflowID: "duplicate", Summary: pointer.From("first")},
+				{WorkflowID: "duplicate", Summary: pointer.From("second")},
+			},
+			id:       "duplicate",
+			expected: &arazzo.Workflow{WorkflowID: "duplicate", Summary: pointer.From("first")},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			result := tt.workflows.Find(tt.id)
+			if tt.expected == nil {
+				assert.Nil(t, result)
+			} else {
+				assert.NotNil(t, result)
+				assert.Equal(t, tt.expected.WorkflowID, result.WorkflowID)
+				if tt.expected.Summary != nil {
+					assert.Equal(t, *tt.expected.Summary, *result.Summary)
+				}
+			}
+		})
+	}
+}
+
+func TestSteps_Find_Success(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name     string
+		steps    arazzo.Steps
+		id       string
+		expected *arazzo.Step
+	}{
+		{
+			name:     "empty steps returns nil",
+			steps:    arazzo.Steps{},
+			id:       "test",
+			expected: nil,
+		},
+		{
+			name: "finds step by id",
+			steps: arazzo.Steps{
+				{StepID: "step1"},
+				{StepID: "step2"},
+				{StepID: "step3"},
+			},
+			id:       "step2",
+			expected: &arazzo.Step{StepID: "step2"},
+		},
+		{
+			name: "returns nil when step not found",
+			steps: arazzo.Steps{
+				{StepID: "step1"},
+			},
+			id:       "nonexistent",
+			expected: nil,
+		},
+		{
+			name: "returns first match when multiple steps with same id",
+			steps: arazzo.Steps{
+				{StepID: "duplicate", Description: pointer.From("first")},
+				{StepID: "duplicate", Description: pointer.From("second")},
+			},
+			id:       "duplicate",
+			expected: &arazzo.Step{StepID: "duplicate", Description: pointer.From("first")},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			result := tt.steps.Find(tt.id)
+			if tt.expected == nil {
+				assert.Nil(t, result)
+			} else {
+				assert.NotNil(t, result)
+				assert.Equal(t, tt.expected.StepID, result.StepID)
+				if tt.expected.Description != nil {
+					assert.Equal(t, *tt.expected.Description, *result.Description)
+				}
+			}
+		})
+	}
+}
+
+func TestSourceDescriptions_Find_Success(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name               string
+		sourceDescriptions arazzo.SourceDescriptions
+		findName           string
+		expected           *arazzo.SourceDescription
+	}{
+		{
+			name:               "empty source descriptions returns nil",
+			sourceDescriptions: arazzo.SourceDescriptions{},
+			findName:           "test",
+			expected:           nil,
+		},
+		{
+			name: "finds source description by name",
+			sourceDescriptions: arazzo.SourceDescriptions{
+				{Name: "apiOne", URL: "https://api1.example.com"},
+				{Name: "apiTwo", URL: "https://api2.example.com"},
+				{Name: "apiThree", URL: "https://api3.example.com"},
+			},
+			findName: "apiTwo",
+			expected: &arazzo.SourceDescription{Name: "apiTwo", URL: "https://api2.example.com"},
+		},
+		{
+			name: "returns nil when source description not found",
+			sourceDescriptions: arazzo.SourceDescriptions{
+				{Name: "apiOne", URL: "https://api1.example.com"},
+			},
+			findName: "nonexistent",
+			expected: nil,
+		},
+		{
+			name: "returns first match when multiple source descriptions with same name",
+			sourceDescriptions: arazzo.SourceDescriptions{
+				{Name: "duplicate", URL: "https://first.example.com"},
+				{Name: "duplicate", URL: "https://second.example.com"},
+			},
+			findName: "duplicate",
+			expected: &arazzo.SourceDescription{Name: "duplicate", URL: "https://first.example.com"},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			result := tt.sourceDescriptions.Find(tt.findName)
+			if tt.expected == nil {
+				assert.Nil(t, result)
+			} else {
+				assert.NotNil(t, result)
+				assert.Equal(t, tt.expected.Name, result.Name)
+				assert.Equal(t, tt.expected.URL, result.URL)
+			}
+		})
+	}
+}

arazzo/reusable_test.go

@@ -41,3 +41,127 @@ func TestTypeToComponentType_Success(t *testing.T) {
 		})
 	}
 }
+
+func TestComponentTypeToReusableType_Success(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name     string
+		input    string
+		expected string
+	}{
+		{
+			name:     "parameters converts to reusableParameter",
+			input:    "parameters",
+			expected: "reusableParameter",
+		},
+		{
+			name:     "successActions converts to reusableSuccessAction",
+			input:    "successActions",
+			expected: "reusableSuccessAction",
+		},
+		{
+			name:     "failureActions converts to reusableFailureAction",
+			input:    "failureActions",
+			expected: "reusableFailureAction",
+		},
+		{
+			name:     "unknown type returns empty",
+			input:    "unknown",
+			expected: "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			actual := componentTypeToReusableType(tt.input)
+			assert.Equal(t, tt.expected, actual, "component type conversion should match expected reusable type")
+		})
+	}
+}
+
+func TestReusable_IsReference_Success(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name     string
+		reusable ReusableParameter
+		expected bool
+	}{
+		{
+			name:     "nil reference returns false",
+			reusable: ReusableParameter{},
+			expected: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			assert.Equal(t, tt.expected, tt.reusable.IsReference())
+		})
+	}
+}
+
+func TestReusable_Get_Success(t *testing.T) {
+	t.Parallel()
+
+	param := &Parameter{Name: "testParam"}
+
+	tests := []struct {
+		name       string
+		reusable   ReusableParameter
+		components *Components
+		expected   *Parameter
+	}{
+		{
+			name:       "inline object returns object",
+			reusable:   ReusableParameter{Object: param},
+			components: nil,
+			expected:   param,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			result := tt.reusable.Get(tt.components)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestReusable_GetReferencedObject_Success(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name       string
+		reusable   ReusableParameter
+		components *Components
+		expectNil  bool
+	}{
+		{
+			name:       "not a reference returns nil",
+			reusable:   ReusableParameter{},
+			components: nil,
+			expectNil:  true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			result := tt.reusable.GetReferencedObject(tt.components)
+			if tt.expectNil {
+				assert.Nil(t, result)
+			} else {
+				assert.NotNil(t, result)
+			}
+		})
+	}
+}