1. docker
  2. Commit 555d8cb293705bd2ad2d8cac7881616756eca767
Browse code

Dockerignore tests

Signed-off-by: Tomasz Kopczynski <tomek@kopczynski.net.pl>

Tomasz Kopczynski authored on 2016/03/06 05:35:06
Showing 1 changed files
builder/dockerignore_test.go
History View file @ 555d8cb
1 1 
new file mode 100644
... ... 
@@ -0,0 +1,177 @@
0 
+package builder
1 
+
2 
+import (
3 
+	"io/ioutil"
4 
+	"log"
5 
+	"os"
6 
+	"path/filepath"
7 
+	"testing"
8 
+)
9 
+
10 
+func TestProcessShouldRemoveDockerfileDockerignore(t *testing.T) {
11 
+	contextDir, err := ioutil.TempDir("", "builder-dockerignore-process-test")
12 
+
13 
+	if err != nil {
14 
+		t.Fatalf("Error with creating temporary directory: %s", err)
15 
+	}
16 
+
17 
+	defer os.RemoveAll(contextDir)
18 
+
19 
+	testFilename := filepath.Join(contextDir, "should_stay")
20 
+	testContent := "test"
21 
+	err = ioutil.WriteFile(testFilename, []byte(testContent), 0777)
22 
+
23 
+	if err != nil {
24 
+		t.Fatalf("Error when creating should_stay file: %s", err)
25 
+	}
26 
+
27 
+	dockerignoreFilename := filepath.Join(contextDir, ".dockerignore")
28 
+	dockerignoreContent := "Dockerfile\n.dockerignore"
29 
+	err = ioutil.WriteFile(dockerignoreFilename, []byte(dockerignoreContent), 0777)
30 
+
31 
+	if err != nil {
32 
+		t.Fatalf("Error when creating .dockerignore file: %s", err)
33 
+	}
34 
+
35 
+	dockerfileFilename := filepath.Join(contextDir, DefaultDockerfileName)
36 
+	dockerfileContent := "FROM busybox"
37 
+	err = ioutil.WriteFile(dockerfileFilename, []byte(dockerfileContent), 0777)
38 
+
39 
+	if err != nil {
40 
+		t.Fatalf("Error when creating Dockerfile file: %s", err)
41 
+	}
42 
+
43 
+	modifiableCtx := &tarSumContext{root: contextDir}
44 
+	ctx := DockerIgnoreContext{ModifiableContext: modifiableCtx}
45 
+
46 
+	err = ctx.Process([]string{DefaultDockerfileName})
47 
+
48 
+	if err != nil {
49 
+		t.Fatalf("Error when executing Process: %s", err)
50 
+	}
51 
+
52 
+	files, err := ioutil.ReadDir(contextDir)
53 
+
54 
+	if err != nil {
55 
+		t.Fatalf("Could not read directory: %s", err)
56 
+	}
57 
+
58 
+	if len(files) != 1 {
59 
+		log.Fatal("Directory should contain exactly one file")
60 
+	}
61 
+
62 
+	for _, file := range files {
63 
+		if "should_stay" != file.Name() {
64 
+			log.Fatalf("File %s should not be in the directory", file.Name())
65 
+		}
66 
+	}
67 
+
68 
+}
69 
+
70 
+func TestProcessNoDockerignore(t *testing.T) {
71 
+	contextDir, err := ioutil.TempDir("", "builder-dockerignore-process-test")
72 
+
73 
+	if err != nil {
74 
+		t.Fatalf("Error with creating temporary directory: %s", err)
75 
+	}
76 
+
77 
+	defer os.RemoveAll(contextDir)
78 
+
79 
+	testFilename := filepath.Join(contextDir, "should_stay")
80 
+	testContent := "test"
81 
+	err = ioutil.WriteFile(testFilename, []byte(testContent), 0777)
82 
+
83 
+	if err != nil {
84 
+		t.Fatalf("Error when creating should_stay file: %s", err)
85 
+	}
86 
+
87 
+	dockerfileFilename := filepath.Join(contextDir, DefaultDockerfileName)
88 
+	dockerfileContent := "FROM busybox"
89 
+	err = ioutil.WriteFile(dockerfileFilename, []byte(dockerfileContent), 0777)
90 
+
91 
+	if err != nil {
92 
+		t.Fatalf("Error when creating Dockerfile file: %s", err)
93 
+	}
94 
+
95 
+	modifiableCtx := &tarSumContext{root: contextDir}
96 
+	ctx := DockerIgnoreContext{ModifiableContext: modifiableCtx}
97 
+
98 
+	ctx.Process([]string{DefaultDockerfileName})
99 
+
100 
+	files, err := ioutil.ReadDir(contextDir)
101 
+
102 
+	if err != nil {
103 
+		t.Fatalf("Could not read directory: %s", err)
104 
+	}
105 
+
106 
+	if len(files) != 2 {
107 
+		log.Fatal("Directory should contain exactly two files")
108 
+	}
109 
+
110 
+	for _, file := range files {
111 
+		if "should_stay" != file.Name() && DefaultDockerfileName != file.Name() {
112 
+			log.Fatalf("File %s should not be in the directory", file.Name())
113 
+		}
114 
+	}
115 
+
116 
+}
117 
+
118 
+func TestProcessShouldLeaveAllFiles(t *testing.T) {
119 
+	contextDir, err := ioutil.TempDir("", "builder-dockerignore-process-test")
120 
+
121 
+	if err != nil {
122 
+		t.Fatalf("Error with creating temporary directory: %s", err)
123 
+	}
124 
+
125 
+	defer os.RemoveAll(contextDir)
126 
+
127 
+	testFilename := filepath.Join(contextDir, "should_stay")
128 
+	testContent := "test"
129 
+	err = ioutil.WriteFile(testFilename, []byte(testContent), 0777)
130 
+
131 
+	if err != nil {
132 
+		t.Fatalf("Error when creating should_stay file: %s", err)
133 
+	}
134 
+
135 
+	dockerignoreFilename := filepath.Join(contextDir, ".dockerignore")
136 
+	dockerignoreContent := "input1\ninput2"
137 
+	err = ioutil.WriteFile(dockerignoreFilename, []byte(dockerignoreContent), 0777)
138 
+
139 
+	if err != nil {
140 
+		t.Fatalf("Error when creating .dockerignore file: %s", err)
141 
+	}
142 
+
143 
+	dockerfileFilename := filepath.Join(contextDir, DefaultDockerfileName)
144 
+	dockerfileContent := "FROM busybox"
145 
+	err = ioutil.WriteFile(dockerfileFilename, []byte(dockerfileContent), 0777)
146 
+
147 
+	if err != nil {
148 
+		t.Fatalf("Error when creating Dockerfile file: %s", err)
149 
+	}
150 
+
151 
+	modifiableCtx := &tarSumContext{root: contextDir}
152 
+	ctx := DockerIgnoreContext{ModifiableContext: modifiableCtx}
153 
+
154 
+	err = ctx.Process([]string{DefaultDockerfileName})
155 
+
156 
+	if err != nil {
157 
+		t.Fatalf("Error when executing Process: %s", err)
158 
+	}
159 
+
160 
+	files, err := ioutil.ReadDir(contextDir)
161 
+
162 
+	if err != nil {
163 
+		t.Fatalf("Could not read directory: %s", err)
164 
+	}
165 
+
166 
+	if len(files) != 3 {
167 
+		log.Fatal("Directory should contain exactly three files")
168 
+	}
169 
+
170 
+	for _, file := range files {
171 
+		if "should_stay" != file.Name() && DefaultDockerfileName != file.Name() && ".dockerignore" != file.Name() {
172 
+			log.Fatalf("File %s should not be in the directory", file.Name())
173 
+		}
174 
+	}
175 
+
176 
+}