terraform/command/graph_test.go

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package command
import (
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"os"
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"strings"
"testing"
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"github.com/hashicorp/terraform/terraform"
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"github.com/mitchellh/cli"
)
func TestGraph(t *testing.T) {
tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
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ui := new(cli.MockUi)
c := &GraphCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
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}
args := []string{
testFixturePath("graph"),
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
output := ui.OutputWriter.String()
if !strings.Contains(output, "provider.test") {
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t.Fatalf("doesn't look like digraph: %s", output)
}
}
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func TestGraph_multipleArgs(t *testing.T) {
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ui := new(cli.MockUi)
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c := &GraphCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
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}
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args := []string{
"bad",
"bad",
}
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if code := c.Run(args); code != 1 {
t.Fatalf("bad: \n%s", ui.OutputWriter.String())
}
}
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func TestGraph_noArgs(t *testing.T) {
cwd, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
if err := os.Chdir(testFixturePath("graph")); err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(cwd)
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ui := new(cli.MockUi)
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c := &GraphCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
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}
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args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
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}
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output := ui.OutputWriter.String()
if !strings.Contains(output, "provider.test") {
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t.Fatalf("doesn't look like digraph: %s", output)
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}
}
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func TestGraph_noConfig(t *testing.T) {
td := tempDir(t)
os.MkdirAll(td, 0755)
defer os.RemoveAll(td)
defer testChdir(t, td)()
ui := new(cli.MockUi)
c := &GraphCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
}
// Running the graph command without a config should not panic,
// but this may be an error at some point in the future.
args := []string{"-type", "apply"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
}
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func TestGraph_plan(t *testing.T) {
tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
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planPath := testPlanFile(t, &terraform.Plan{
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Diff: &terraform.Diff{
Modules: []*terraform.ModuleDiff{
&terraform.ModuleDiff{
Path: []string{"root"},
Resources: map[string]*terraform.InstanceDiff{
"test_instance.bar": &terraform.InstanceDiff{
Destroy: true,
},
},
},
},
},
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Module: testModule(t, "graph"),
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})
ui := new(cli.MockUi)
c := &GraphCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(testProvider()),
Ui: ui,
},
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}
args := []string{
planPath,
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: \n%s", ui.ErrorWriter.String())
}
output := ui.OutputWriter.String()
if !strings.Contains(output, "provider.test") {
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t.Fatalf("doesn't look like digraph: %s", output)
}
}