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(#25) Create very basic implementation of Local Docker Compose #97

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merged 33 commits into from
Apr 20, 2020
Merged

(#25) Create very basic implementation of Local Docker Compose #97

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1276796
(#25) Add utility to generate random strings
mdelapenya Sep 11, 2019
790421c
(#25) Create very basic implementation of Local Docker Compose implem…
mdelapenya Sep 11, 2019
0ed0ea9
(#25) Add a function to "down" the compose
mdelapenya Sep 11, 2019
fe96445
(#25) Make ExecError public
mdelapenya Sep 11, 2019
b8299a7
(#25) Use lowercase for container/service identifiers
mdelapenya Sep 18, 2019
06ada3c
(#25) Fix compose down
mdelapenya Sep 18, 2019
a320e66
(#25) Add a test verifying that the container receives the env vars
mdelapenya Sep 18, 2019
1badb29
(#25) Extract assertion of container env to a function
mdelapenya Sep 18, 2019
47362c1
(#25) Extract default environment generation to a function
mdelapenya Sep 18, 2019
d9e1579
(#25) Extract compose execution to a function
mdelapenya Sep 18, 2019
2604294
(#25) Support passing multiple docker-compose files
mdelapenya Sep 18, 2019
4807a91
(#25) Support checking for absent env vars in tests
mdelapenya Sep 18, 2019
80f3758
(#25) Make tests more readable
mdelapenya Sep 18, 2019
7614627
(#25) Remove unneeded log
mdelapenya Oct 29, 2019
28b4ce4
(#25) Use Google's UUID for generating compose's identifier
mdelapenya Nov 18, 2019
866cd2a
(#25) Add local compose to the docs
mdelapenya Nov 18, 2019
26eee98
(#25) Rename simple compose test resource
mdelapenya Nov 18, 2019
8096d05
(#25) Add a test with a more complex scenario
mdelapenya Nov 18, 2019
efa9db2
(#25) Fix path in test
mdelapenya Nov 18, 2019
3c26102
(#25) Add info about the command and the arguments when compose fails
mdelapenya Nov 19, 2019
a07447a
(#25) Create defer functions the soonest
mdelapenya Nov 20, 2019
a3e1f0b
(#25) Add comments and Go Examples for docs
mdelapenya Nov 22, 2019
ef1c203
(#25) Do not override ports on Travis CI
mdelapenya Nov 26, 2019
71af051
(#25) Support getting the services from the compose files
mdelapenya Sep 30, 2019
956a03b
(#25) Execute go mod tidy
mdelapenya Nov 26, 2019
446944d
(#25) Provide more information when failing a Compose test
mdelapenya Nov 26, 2019
b587960
(#25) Extract array population on exec errors
mdelapenya Nov 26, 2019
661033b
(#25) Enhance exec error
mdelapenya Nov 26, 2019
88efbd0
(#25) Optimise reading for docker-compose output
mdelapenya Nov 27, 2019
9570dd9
(#25) Do not assert the environment variables in the simple test
mdelapenya Nov 27, 2019
7182ddc
(#25) Fix tests reading environment variables from the compose file
mdelapenya Dec 26, 2019
6830723
(#25) Add troubleshooting Travis guide
mdelapenya Dec 26, 2019
03c0820
(#25) Run go mod tidy
mdelapenya Apr 16, 2020
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(#25) Support checking for absent env vars in tests
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@mdelapenya
mdelapenya committed Apr 16, 2020
commit 4807a9147fcff04177bd174665e8d0af753869f2
32 changes: 26 additions & 6 deletions compose_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,11 @@ func TestLocalDockerCompose(t *testing.T) {
Invoke()
checkIfError(t, err)

assertContainerEnvContainsKeyValue(t, compose.Identifier+"_nginx_1", "bar", "")
present := map[string]string{
"bar": "",
}
absent := map[string]string{}
assertContainerEnvironmentVariables(t, compose.Identifier+"_nginx_1", present, absent)

destroyFn := func() {
err := compose.Down()
Expand Down Expand Up @@ -49,7 +53,11 @@ func TestLocalDockerComposeWithEnvironment(t *testing.T) {
Invoke()
checkIfError(t, err)

assertContainerEnvContainsKeyValue(t, compose.Identifier+"_nginx_1", "bar", "BAR")
present := map[string]string{
"bar": "BAR",
}
absent := map[string]string{}
assertContainerEnvironmentVariables(t, compose.Identifier+"_nginx_1", present, absent)
}

func TestLocalDockerComposeWithMultipleComposeFiles(t *testing.T) {
Expand All @@ -76,17 +84,29 @@ func TestLocalDockerComposeWithMultipleComposeFiles(t *testing.T) {
Invoke()
checkIfError(t, err)

assertContainerEnvContainsKeyValue(t, compose.Identifier+"_nginx_1", "foo", "FOO")
present := map[string]string{
"bar": "BAR",
"foo": "FOO",
}
absent := map[string]string{}
assertContainerEnvironmentVariables(t, compose.Identifier+"_nginx_1", present, absent)
}

func assertContainerEnvContainsKeyValue(t *testing.T, identifier string, key string, value string) {
func assertContainerEnvironmentVariables(t *testing.T, identifier string, present map[string]string, absent map[string]string) {
args := []string{"exec", identifier, "env"}

output, err := executeAndGetOutput("docker", args)
checkIfError(t, err)

keyVal := key + "=" + value
assert.Contains(t, output, keyVal)
for k, v := range present {
keyVal := k + "=" + v
assert.Contains(t, output, keyVal)
}

for k, v := range absent {
keyVal := k + "=" + v
assert.NotContains(t, output, keyVal)
}
}

func checkIfError(t *testing.T, err ExecError) {
Expand Down