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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/*
Copyright 2020 Docker Compose CLI authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package e2e
import (
"strings"
"testing"
"gotest.tools/v3/assert"
"gotest.tools/v3/icmd"
)
func TestEnvPriority(t *testing.T) {
c := NewParallelCLI(t)
t.Run("up", func(t *testing.T) {
c.RunDockerOrExitError(t, "rmi", "env-compose-priority")
c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose-with-env.yaml",
"up", "-d", "--build")
})
// Full options activated
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected (From OS Environment)
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("compose file priority", func(t *testing.T) {
cmd := c.NewDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose-with-env.yaml",
"--env-file", "./fixtures/environment/env-priority/.env.override",
"run", "--rm", "-e", "WHEREAMI", "env-compose-priority")
cmd.Env = append(cmd.Env, "WHEREAMI=shell")
res := icmd.RunCmd(cmd)
assert.Equal(t, strings.TrimSpace(res.Stdout()), "shell")
})
// Full options activated
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("compose file priority", func(t *testing.T) {
cmd := c.NewDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose-with-env.yaml",
"--env-file", "./fixtures/environment/env-priority/.env.override",
"run", "--rm", "-e", "WHEREAMI=shell", "env-compose-priority")
res := icmd.RunCmd(cmd)
assert.Equal(t, strings.TrimSpace(res.Stdout()), "shell")
})
// No Compose file, all other options
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected (From OS Environment)
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("shell priority", func(t *testing.T) {
cmd := c.NewDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose.yaml",
"--env-file", "./fixtures/environment/env-priority/.env.override",
"run", "--rm", "-e", "WHEREAMI", "env-compose-priority")
cmd.Env = append(cmd.Env, "WHEREAMI=shell")
res := icmd.RunCmd(cmd)
assert.Equal(t, strings.TrimSpace(res.Stdout()), "shell")
})
// No Compose file, all other options with env variable from OS environment
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected (From environment)
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("shell priority file with default value", func(t *testing.T) {
cmd := c.NewDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose.yaml",
"--env-file", "./fixtures/environment/env-priority/.env.override.with.default",
"run", "--rm", "-e", "WHEREAMI", "env-compose-priority")
cmd.Env = append(cmd.Env, "WHEREAMI=shell")
res := icmd.RunCmd(cmd)
assert.Equal(t, strings.TrimSpace(res.Stdout()), "shell")
})
// No Compose file, all other options with env variable from OS environment
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected (From environment default value from file in --env-file)
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("shell priority implicitly set", func(t *testing.T) {
cmd := c.NewDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose.yaml",
"--env-file", "./fixtures/environment/env-priority/.env.override.with.default",
"run", "--rm", "-e", "WHEREAMI", "env-compose-priority")
res := icmd.RunCmd(cmd)
assert.Equal(t, strings.TrimSpace(res.Stdout()), "EnvFileDefaultValue")
})
// No Compose file, all other options with env variable from OS environment
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected (From environment default value from file in COMPOSE_ENV_FILES)
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("shell priority from COMPOSE_ENV_FILES variable", func(t *testing.T) {
cmd := c.NewDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose.yaml",
"run", "--rm", "-e", "WHEREAMI", "env-compose-priority")
cmd.Env = append(cmd.Env, "COMPOSE_ENV_FILES=./fixtures/environment/env-priority/.env.override.with.default")
res := icmd.RunCmd(cmd)
stdout := res.Stdout()
assert.Equal(t, strings.TrimSpace(stdout), "EnvFileDefaultValue")
})
// No Compose file and env variable pass to the run command
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("shell priority from run command", func(t *testing.T) {
res := c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose.yaml",
"--env-file", "./fixtures/environment/env-priority/.env.override",
"run", "--rm", "-e", "WHEREAMI=shell-run", "env-compose-priority")
assert.Equal(t, strings.TrimSpace(res.Stdout()), "shell-run")
})
// No Compose file & no env variable but override env file
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected (From environment patched by .env as a default --env-file value)
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("override env file from compose", func(t *testing.T) {
res := c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose-with-env-file.yaml",
"run", "--rm", "-e", "WHEREAMI", "env-compose-priority")
assert.Equal(t, strings.TrimSpace(res.Stdout()), "Env File")
})
// No Compose file & no env variable but override by default env file
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected (From environment patched by --env-file value)
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("override env file", func(t *testing.T) {
res := c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose.yaml",
"--env-file", "./fixtures/environment/env-priority/.env.override",
"run", "--rm", "-e", "WHEREAMI", "env-compose-priority")
assert.Equal(t, strings.TrimSpace(res.Stdout()), "override")
})
// No Compose file & no env variable but override env file
// 1. Command Line (docker compose run --env <KEY[=VAL]>) <-- Result expected (From environment patched by --env-file value)
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive
// 5. Variable is not defined
t.Run("env file", func(t *testing.T) {
res := c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose.yaml",
"run", "--rm", "-e", "WHEREAMI", "env-compose-priority")
assert.Equal(t, strings.TrimSpace(res.Stdout()), "Env File")
})
// No Compose file & no env variable, using an empty override env file
// 1. Command Line (docker compose run --env <KEY[=VAL]>)
// 2. Compose File (service::environment section)
// 3. Compose File (service::env_file section file)
// 4. Container Image ENV directive <-- Result expected
// 5. Variable is not defined
t.Run("use Dockerfile", func(t *testing.T) {
res := c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/env-priority/compose.yaml",
"--env-file", "./fixtures/environment/env-priority/.env.empty",
"run", "--rm", "-e", "WHEREAMI", "env-compose-priority")
assert.Equal(t, strings.TrimSpace(res.Stdout()), "Dockerfile")
})
t.Run("down", func(t *testing.T) {
c.RunDockerComposeCmd(t, "--project-name", "env-priority", "down")
})
}
func TestEnvInterpolation(t *testing.T) {
c := NewParallelCLI(t)
t.Run("shell priority from run command", func(t *testing.T) {
cmd := c.NewDockerComposeCmd(t, "-f", "./fixtures/environment/env-interpolation/compose.yaml", "config")
cmd.Env = append(cmd.Env, "WHEREAMI=shell")
res := icmd.RunCmd(cmd)
res.Assert(t, icmd.Expected{Out: `IMAGE: default_env:shell`})
})
t.Run("shell priority from run command using default value fallback", func(t *testing.T) {
c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/env-interpolation-default-value/compose.yaml", "config").
Assert(t, icmd.Expected{Out: `IMAGE: default_env:EnvFileDefaultValue`})
})
}
func TestCommentsInEnvFile(t *testing.T) {
c := NewParallelCLI(t)
t.Run("comments in env files", func(t *testing.T) {
c.RunDockerOrExitError(t, "rmi", "env-file-comments")
c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/env-file-comments/compose.yaml", "up", "-d", "--build")
res := c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/env-file-comments/compose.yaml",
"run", "--rm", "-e", "COMMENT", "-e", "NO_COMMENT", "env-file-comments")
res.Assert(t, icmd.Expected{Out: `COMMENT=1234`})
res.Assert(t, icmd.Expected{Out: `NO_COMMENT=1234#5`})
c.RunDockerComposeCmd(t, "--project-name", "env-file-comments", "down", "--rmi", "all")
})
}
func TestUnsetEnv(t *testing.T) {
c := NewParallelCLI(t)
t.Cleanup(func() {
c.RunDockerComposeCmd(t, "--project-name", "empty-variable", "down", "--rmi", "all")
})
t.Run("override env variable", func(t *testing.T) {
c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/empty-variable/compose.yaml", "build")
res := c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/empty-variable/compose.yaml",
"run", "-e", "EMPTY=hello", "--rm", "empty-variable")
res.Assert(t, icmd.Expected{Out: `=hello=`})
})
t.Run("unset env variable", func(t *testing.T) {
res := c.RunDockerComposeCmd(t, "-f", "./fixtures/environment/empty-variable/compose.yaml",
"run", "--rm", "empty-variable")
res.Assert(t, icmd.Expected{Out: `==`})
})
}
|
