chore: test application packages

Signed-off-by: maxwellgithinji <maxwellgithinji@gmail.com>

go.mod

@@ -91,6 +91,7 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/shopspring/decimal v1.3.1 // indirect
+	github.com/stretchr/objx v0.5.0 // indirect
 	github.com/ttacon/builder v0.0.0-20170518171403-c099f663e1c2 // indirect
 	github.com/ttacon/libphonenumber v1.2.1 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect

pkg/clinical/application/common/common_test.go

@@ -0,0 +1,65 @@
+package common
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/brianvoe/gofakeit"
+	extMock "github.com/savannahghi/clinical/pkg/clinical/application/extensions/mock"
+	"github.com/savannahghi/interserviceclient"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewInterServiceClient(t *testing.T) {
+	type args struct {
+		serviceName string
+	}
+	tests := []struct {
+		name   string
+		args   args
+		panics bool
+	}{
+		{
+			name: "Happy case: initialize service",
+			args: args{
+				serviceName: gofakeit.Name(),
+			},
+			panics: false,
+		},
+		{
+			name: "Sad case: failed to load deps from yaml",
+			args: args{
+				serviceName: gofakeit.Name(),
+			},
+			panics: true,
+		},
+		{
+			name: "Sad case: failed load isc client",
+			args: args{
+				serviceName: gofakeit.Name(),
+			},
+			panics: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			fakeExt := extMock.NewFakeBaseExtensionMock()
+
+			if tt.panics {
+				if tt.name == "Sad case: failed to load deps from yaml" {
+					fakeExt.LoadDepsFromYAMLFn = func() (*interserviceclient.DepsConfig, error) {
+						return nil, fmt.Errorf("an error occurred")
+					}
+				}
+				if tt.name == "Sad case: failed load isc client" {
+					fakeExt.SetupISCclientFn = func(config interserviceclient.DepsConfig, serviceName string) (*interserviceclient.InterServiceClient, error) {
+						return nil, fmt.Errorf("an error occurred")
+					}
+				}
+				assert.Panics(t, func() { NewInterServiceClient(tt.args.serviceName, fakeExt) })
+			} else {
+				assert.NotPanics(t, func() { NewInterServiceClient(tt.args.serviceName, fakeExt) })
+			}
+		})
+	}
+}

pkg/clinical/application/common/helpers/isc_helper_test.go

@@ -0,0 +1,37 @@
+package helpers
+
+import (
+	"testing"
+
+	"github.com/brianvoe/gofakeit"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestInitializeInterServiceClient(t *testing.T) {
+	type args struct {
+		serviceName string
+	}
+	tests := []struct {
+		name   string
+		args   args
+		panics bool
+	}{
+
+		{
+			name: "Happy case",
+			args: args{
+				serviceName: gofakeit.Name(),
+			},
+			panics: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.panics {
+				assert.Panics(t, func() { _ = InitializeInterServiceClient(tt.args.serviceName) })
+			} else {
+				assert.NotPanics(t, func() { _ = InitializeInterServiceClient(tt.args.serviceName) })
+			}
+		})
+	}
+}

pkg/clinical/application/utils/helpers_test.go

@@ -61,3 +61,31 @@ func TestReportErrorToSentry(t *testing.T) {
 		})
 	}
 }
+
+func TestAddPubSubNamespace(t *testing.T) {
+	type args struct {
+		topicName   string
+		serviceName string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "Happy case: add pubsub namespace",
+			args: args{
+				topicName:   "test",
+				serviceName: "service",
+			},
+			want: "service-test-staging-v1",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := AddPubSubNamespace(tt.args.topicName, tt.args.serviceName); got != tt.want {
+				t.Errorf("AddPubSubNamespace() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}