File: tabular_test.go

package info (click to toggle)
golang-github-poy-onpar 0.3.3-1.1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 456 kB
  • sloc: makefile: 3
file content (153 lines) | stat: -rw-r--r-- 3,486 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
package onpar_test

import (
	"bytes"
	"reflect"
	"testing"

	"github.com/poy/onpar"
)

func TestTableSpec_Entry(t *testing.T) {
	t.Parallel()
	c := createTableScaffolding(t)

	objs := chanToSlice(c)

	if len(objs) != 2 {
		t.Fatalf("expected objs (len=%d) to have len %d", len(objs), 2)
	}

	objA := findSpec(objs, "DA-A")
	if objA == nil {
		t.Fatal("unable to find spec A")
	}

	if len(objA.c) != 3 {
		t.Fatalf("expected objs (len=%d) to have len %d", len(objA.c), 3)
	}

	if !reflect.DeepEqual(objA.c, []string{"-BeforeEach", "DA-A", "-AfterEach"}) {
		t.Fatalf("invalid call order for spec A: %v", objA.c)
	}
}

func ExampleTable_Entry() {
	var t *testing.T
	o := onpar.New(t)
	defer o.Run()

	type table struct {
		input          string
		expectedOutput string
	}
	f := func(in string) string {
		return in + "world"
	}
	onpar.TableSpec(o, func(t *testing.T, tt table) {
		output := f(tt.input)
		if output != tt.expectedOutput {
			t.Fatalf("expected %v to produce %v; got %v", tt.input, tt.expectedOutput, output)
		}
	}).
		Entry("simple output", table{"hello", "helloworld"}).
		Entry("with a space", table{"hello ", "hello world"}).
		Entry("and a comma", table{"hello, ", "hello, world"})
}

func TestTableSpec_FnEntry(t *testing.T) {
	t.Parallel()
	c := createTableScaffolding(t)

	objs := chanToSlice(c)

	if len(objs) != 2 {
		t.Fatalf("expected objs (len=%d) to have len %d", len(objs), 2)
	}

	objB := findSpec(objs, "DA-B")
	if objB == nil {
		t.Fatal("unable to find spec B")
	}

	if len(objB.c) != 4 {
		t.Fatalf("expected objs (len=%d) to have len %d", len(objB.c), 4)
	}

	if !reflect.DeepEqual(objB.c, []string{"-BeforeEach", "-TableEntrySetup", "DA-B", "-AfterEach"}) {
		t.Fatalf("invalid call order for spec A: %v", objB.c)
	}
}

func ExampleTable_FnEntry() {
	var t *testing.T
	o := onpar.New(t)
	defer o.Run()

	type table struct {
		input          string
		expectedOutput string
	}
	f := func(in string) string {
		return in + "world"
	}
	onpar.TableSpec(o, func(t *testing.T, tt table) {
		output := f(tt.input)
		if output != tt.expectedOutput {
			t.Fatalf("expected %v to produce %v; got %v", tt.input, tt.expectedOutput, output)
		}
	}).
		FnEntry("simple output", func(t *testing.T) table {
			var buf bytes.Buffer
			if _, err := buf.WriteString("hello"); err != nil {
				t.Fatalf("expected buffer write to succeed; got %v", err)
			}
			return table{input: buf.String(), expectedOutput: "helloworld"}
		})
}

func createTableScaffolding(t *testing.T) <-chan *testObject {
	objs := make(chan *testObject, 100)

	t.Run("FakeSpecs", func(t *testing.T) {
		o := onpar.BeforeEach(onpar.New(t), func(t *testing.T) *mockTest {
			obj := NewTestObject()
			obj.Use("-BeforeEach")

			objs <- obj

			return &mockTest{t, 99, "something", obj}
		})
		defer o.Run()

		o.AfterEach(func(tt *mockTest) {
			tt.o.Use("-AfterEach")
		})

		type table struct {
			name     string
			expected mockTest
		}

		onpar.TableSpec(o, func(tt *mockTest, tab table) {
			if tt.i != tab.expected.i {
				tt.t.Fatalf("expected %d = %d", tt.i, tab.expected.i)
			}

			if tt.s != tab.expected.s {
				tt.t.Fatalf("expected %s = %s", tt.s, tab.expected.s)
			}

			tt.o.Use(tab.name)
		}).
			Entry("DA-A", table{name: "DA-A", expected: mockTest{i: 99, s: "something"}}).
			FnEntry("DA-B", func(tt *mockTest) table {
				tt.i = 21
				tt.s = "foo"
				tt.o.Use("-TableEntrySetup")
				return table{name: "DA-B", expected: mockTest{i: 21, s: "foo"}}
			})
	})

	return objs
}